SCHEDULE IV - MORTGAGE LOANS ON REAL ESTATE - Additional Information (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Mortgage Loans on Real Estate [Line Items] | |||||||
| Provision for loan loss | $ 0 | $ 0 | $ 369,278 | $ 4,645,188 | $ 0 | $ 5,014,466 | $ 13,784,137 |
| Not Related Mortgage Loans | |||||||
| Mortgage Loans on Real Estate [Line Items] | |||||||
| Provision for loan loss | 656,000 | ||||||
| Foreclosure and Sale of Black Bison | |||||||
| Mortgage Loans on Real Estate [Line Items] | |||||||
| Provision for loan loss | 832,000 | ||||||
| Write Down of Prepaid Asset Related to Black Bison | |||||||
| Mortgage Loans on Real Estate [Line Items] | |||||||
| Provision for loan loss | $ 25,000 | ||||||
| SWD Enterprise REIT Note | |||||||
| Mortgage Loans on Real Estate [Line Items] | |||||||
| Interest receivable converted to principal | $ 100,000 | ||||||
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- Definition Interest Receivable, Receivable Converted to Principal No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of expense related to estimated loss from loan and lease transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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