Quarterly report pursuant to Section 13 or 15(d)

Management Agreement (Details)

v3.19.3
Management Agreement (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Aug. 12, 2019
Dec. 31, 2018
Jun. 29, 2015
Corridor Infra Trust Management                  
Management Agreement [Line Items]                  
Incentive fee waived $ 126 $ 135 $ 45            
Incentive fee 169 $ 160 $ 160            
General and Administrative Expense | Corridor Infra Trust Management                  
Management Agreement [Line Items]                  
Management fee 1,600     $ 1,900 $ 5,200 $ 5,700      
Administrative fee $ 64     $ 70 $ 200 $ 209      
5.875% Convertible Senior Notes | Convertible Debt                  
Management Agreement [Line Items]                  
Interest rate percentage 5.875%       5.875%   5.875% 0.00%  
7.00% Convertible Senior Notes | Convertible Debt                  
Management Agreement [Line Items]                  
Interest rate percentage 7.00%       7.00%     7.00% 7.00%