Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.7.0.1
Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Apr. 26, 2017
Apr. 18, 2017
Mar. 30, 2016
Jan. 27, 2015
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Subsequent Event [Line Items]              
Dividends declared per share (in dollars per share)         $ 0.75 $ 0.75  
Common Stock [Member] | Subsequent Event [Member]              
Subsequent Event [Line Items]              
Dividends declared per share (in dollars per share) $ 0.75            
Depositary Shares [Member] | Subsequent Event [Member]              
Subsequent Event [Line Items]              
Preferred stock, shares outstanding   5,050,000          
Series A Cumulative Redeemable Preferred Stock [Member]              
Subsequent Event [Line Items]              
Preferred stock, shares outstanding         22,500   22,500
Series A Cumulative Redeemable Preferred Stock [Member] | Depositary Shares [Member] | Subsequent Event [Member]              
Subsequent Event [Line Items]              
Depositary stock, dividends declared per share (in dollars per share) $ 0.4609375            
Series A Cumulative Redeemable Preferred Stock [Member] | Preferred Stock [Member]              
Subsequent Event [Line Items]              
Coupon rate percentage       7.375% 7.375%    
Underwritten Public Offering [Member] | Depositary Shares [Member]              
Subsequent Event [Line Items]              
Shares sold in offering (in shares)       2,250,000      
Underwritten Public Offering [Member] | Depositary Shares [Member] | Subsequent Event [Member]              
Subsequent Event [Line Items]              
Shares sold in offering (in shares)   2,800,000          
Price of share sold (in dollars per share)   $ 25.00          
Proceeds from sale of stock   $ 67.6          
Line of Credit [Member] | CorEnergy Revolver [Member] | Revolving Credit Facility [Member]              
Subsequent Event [Line Items]              
Coupon rate percentage         3.99%   3.76%
Extinguishment of debt     $ 44.0   $ 44.0