XML 60 R77.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Related Party (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Related Party Transaction [Line Items]      
Direct Financing Lease, Revenue $ 10,700 $ 10,700  
Investment in joint venture $ (760) 0 $ 0
MCS [Member]      
Related Party Transaction [Line Items]      
Percentage Of Ownership 50.00%    
Direct Financing Lease Receivable [Member] | MCS [Member]      
Related Party Transaction [Line Items]      
Proceeds from (Repayments of) Related Party Debt $ 1,800 $ 1,800