Income Taxes - Common and Preferred Stock Distribution (Details) - $ / shares
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12 Months Ended |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
$ 3.000
|
$ 3.000
|
$ 3.000
|
Total Distribution per Share |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
3.0000
|
3.0000
|
3.0000
|
Preferred stock, dividends declared per share (in dollars per share) |
1.8436
|
1.8436
|
1.8436
|
Total Ordinary Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
1.9537
|
2.1384
|
2.3700
|
Preferred stock, dividends declared per share (in dollars per share) |
1.7872
|
1.3140
|
1.8436
|
Qualified Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
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Common stock, dividends declared per share (in dollars per share) |
0.0000
|
0.0000
|
0.3140
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0000
|
0.0000
|
0.2444
|
Capital Gain Distributions |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.0606
|
0.8616
|
0.0000
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0564
|
0.5296
|
0.0000
|
Nondividend Distributions |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.9857
|
|
0.6300
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0000
|
|
0.0000
|
Unrecaptured Section 1250 Gain |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
|
0.4028
|
|
Preferred stock, dividends declared per share (in dollars per share) |
|
0.2476
|
|
Section 199A Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
1.9537
|
2.1384
|
|
Preferred stock, dividends declared per share (in dollars per share) |
1.7872
|
1.3140
|
|
Installment One | Total Distribution per Share |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.7500
|
0.7500
|
0.7500
|
Preferred stock, dividends declared per share (in dollars per share) |
0.4609
|
0.4609
|
0.4609
|
Installment One | Total Ordinary Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.5803
|
0.5346
|
0.5925
|
Preferred stock, dividends declared per share (in dollars per share) |
0.4483
|
0.3285
|
0.4609
|
Installment One | Qualified Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.0000
|
0.0000
|
0.0785
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0000
|
0.0000
|
0.0611
|
Installment One | Capital Gain Distributions |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.0156
|
0.2154
|
0.0000
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0126
|
0.1324
|
0.0000
|
Installment One | Nondividend Distributions |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.1541
|
|
0.1575
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0000
|
|
0.0000
|
Installment One | Unrecaptured Section 1250 Gain |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
|
0.1007
|
|
Preferred stock, dividends declared per share (in dollars per share) |
|
0.0619
|
|
Installment One | Section 199A Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.5803
|
0.5346
|
|
Preferred stock, dividends declared per share (in dollars per share) |
0.4483
|
0.3285
|
|
Installment Two | Total Distribution per Share |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.7500
|
0.7500
|
0.7500
|
Preferred stock, dividends declared per share (in dollars per share) |
0.4609
|
0.4609
|
0.4609
|
Installment Two | Total Ordinary Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.4578
|
0.5346
|
0.5925
|
Preferred stock, dividends declared per share (in dollars per share) |
0.4463
|
0.3285
|
0.4609
|
Installment Two | Qualified Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.0000
|
0.0000
|
0.0785
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0000
|
0.0000
|
0.0611
|
Installment Two | Capital Gain Distributions |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.0150
|
0.2154
|
0.0000
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0146
|
0.1324
|
0.0000
|
Installment Two | Nondividend Distributions |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.2772
|
|
0.1575
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0000
|
|
0.0000
|
Installment Two | Unrecaptured Section 1250 Gain |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
|
0.1007
|
|
Preferred stock, dividends declared per share (in dollars per share) |
|
0.0619
|
|
Installment Two | Section 199A Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.4578
|
0.5346
|
|
Preferred stock, dividends declared per share (in dollars per share) |
0.4463
|
0.3285
|
|
Installment Three | Total Distribution per Share |
|
|
|
Dividends Payable [Line Items] |
|
|
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Common stock, dividends declared per share (in dollars per share) |
0.7500
|
0.7500
|
0.7500
|
Preferred stock, dividends declared per share (in dollars per share) |
0.4609
|
0.4609
|
0.4609
|
Installment Three | Total Ordinary Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.4578
|
0.5346
|
0.5925
|
Preferred stock, dividends declared per share (in dollars per share) |
0.4463
|
0.3285
|
0.4609
|
Installment Three | Qualified Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.0000
|
0.0000
|
0.0785
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0000
|
0.0000
|
0.0611
|
Installment Three | Capital Gain Distributions |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.0150
|
0.2154
|
0.0000
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0146
|
0.1324
|
0.0000
|
Installment Three | Nondividend Distributions |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.2772
|
|
0.1575
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0000
|
|
0.0000
|
Installment Three | Unrecaptured Section 1250 Gain |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
|
0.1007
|
|
Preferred stock, dividends declared per share (in dollars per share) |
|
0.0619
|
|
Installment Three | Section 199A Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.4578
|
0.5346
|
|
Preferred stock, dividends declared per share (in dollars per share) |
0.4463
|
0.3285
|
|
Installment Four | Total Distribution per Share |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.7500
|
0.7500
|
0.7500
|
Preferred stock, dividends declared per share (in dollars per share) |
0.4609
|
0.4609
|
0.4609
|
Installment Four | Total Ordinary Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.4578
|
0.5346
|
0.5925
|
Preferred stock, dividends declared per share (in dollars per share) |
0.4463
|
0.3285
|
0.4609
|
Installment Four | Qualified Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.0000
|
0.0000
|
0.0785
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0000
|
0.0000
|
0.0611
|
Installment Four | Capital Gain Distributions |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.0150
|
0.2154
|
0.0000
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0146
|
0.1324
|
0.0000
|
Installment Four | Nondividend Distributions |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.2772
|
|
0.1575
|
Preferred stock, dividends declared per share (in dollars per share) |
0.0000
|
|
$ 0.0000
|
Installment Four | Unrecaptured Section 1250 Gain |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
|
0.1007
|
|
Preferred stock, dividends declared per share (in dollars per share) |
|
0.0619
|
|
Installment Four | Section 199A Dividends |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Common stock, dividends declared per share (in dollars per share) |
0.4578
|
0.5346
|
|
Preferred stock, dividends declared per share (in dollars per share) |
$ 0.4463
|
$ 0.3285
|
|
Capital Stock |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Ordinary income dividend percentage |
65.10%
|
|
|
Return of capital percentage |
32.90%
|
|
|
Capital gain percentage |
2.00%
|
|
|
Qualified dividend income percentage |
0.00%
|
|
|
Capital gain, percentage subject to maximum 20 percent tax rate |
100.00%
|
|
|
Preferred Stock |
|
|
|
Dividends Payable [Line Items] |
|
|
|
Ordinary income dividend percentage |
96.90%
|
|
|
Return of capital percentage |
0.00%
|
|
|
Capital gain percentage |
3.10%
|
|
|
Qualified dividend income percentage |
0.00%
|
|
|
Capital gain, percentage subject to maximum 20 percent tax rate |
100.00%
|
|
|