Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Details)

v3.8.0.1
Earnings Per Share (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Jun. 29, 2015
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                        
Net income attributable to CorEnergy stockholders $ 6,755,855 $ 9,177,284 $ 9,000,172 $ 7,669,478 $ 8,086,367 $ 9,231,185 $ 8,954,527 $ 3,391,121 $ 32,602,790 $ 29,663,200 $ 12,319,911  
Less: preferred dividend requirements 2,396,875 2,396,875 2,123,129 1,037,109 1,037,110 1,037,109 1,037,109 1,037,109 7,953,988 4,148,437 3,848,828  
Net Income attributable to Common Stockholders $ 4,358,980 $ 6,780,409 $ 6,877,043 $ 6,632,369 $ 7,049,257 $ 8,194,076 $ 7,917,418 $ 2,354,012 $ 24,648,802 $ 25,514,763 $ 8,471,083  
Weighted average shares - basic (in shares)                 11,900,516 11,901,985 10,685,892  
Basic earnings per share (in dollars per share) $ 0.37 $ 0.57 $ 0.58 $ 0.56 $ 0.59 $ 0.69 $ 0.66 $ 0.20 $ 2.07 $ 2.14 $ 0.79  
Net income attributable to common stockholders (from above) $ 4,358,980 $ 6,780,409 $ 6,877,043 $ 6,632,369 $ 7,049,257 $ 8,194,076 $ 7,917,418 $ 2,354,012 $ 24,648,802 $ 25,514,763 $ 8,471,083  
Add: After tax effect of convertible interest                 0 0 0  
Income attributable for dilutive securities                 $ 24,648,802 $ 25,514,763 $ 8,471,083  
Weighted average shares - diluted (in shares)                 11,900,516 11,901,985 10,685,892  
Diluted earnings per share (in dollars per share) $ 0.37 $ 0.57 $ 0.58 $ 0.56 $ 0.59 $ 0.68 $ 0.66 $ 0.20 $ 2.07 $ 2.14 $ 0.79  
Convertible Debt [Member] | Convertible Senior Notes Due 2020 [Member]                        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                        
Coupon rate percentage 7.00%       7.00%       7.00% 7.00%   7.00%
Shares issued upon conversion (in shares) 3,454,545               3,454,545