Quarterly report pursuant to Section 13 or 15(d)

Indebtedness - Schedule of Debt (Details)

v3.19.3
Indebtedness - Schedule of Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Long term debt, current $ 29,402 $ 35,484
Long term debt, noncurrent 2,015,907 1,713,438
Long term debt 2,045,309 1,748,922
Unused borrowing capacity 0 406
Recourse debt    
Debt Instrument [Line Items]    
Long term debt, current 0 0
Long term debt, noncurrent 239,035 247,000
Long term debt 239,035 247,000
Unused borrowing capacity 0 406
Recourse debt | Bank line of credit    
Debt Instrument [Line Items]    
Long term debt, current 0 0
Long term debt, noncurrent 239,035 247,000
Long term debt 239,035 247,000
Unused borrowing capacity $ 0 $ 406
Recourse debt | Bank line of credit | Minimum    
Debt Instrument [Line Items]    
Interest rate 5.34% 5.45%
Recourse debt | Bank line of credit | Maximum    
Debt Instrument [Line Items]    
Interest rate 5.76% 5.77%
Non-recourse debt    
Debt Instrument [Line Items]    
Long term debt, current $ 29,402 $ 35,484
Long term debt, noncurrent 1,776,872 1,466,438
Long term debt 1,806,274 1,501,922
Unused borrowing capacity 0 0
Non-recourse debt | Senior    
Debt Instrument [Line Items]    
Long term debt, current 8,565 19,070
Long term debt, noncurrent 844,728 809,447
Long term debt 853,293 828,517
Unused borrowing capacity $ 0 $ 0
Non-recourse debt | Senior | Minimum    
Debt Instrument [Line Items]    
Interest rate 4.26% 4.50%
Non-recourse debt | Senior | Maximum    
Debt Instrument [Line Items]    
Interest rate 5.61% 5.54%
Non-recourse debt | Subordinated    
Debt Instrument [Line Items]    
Long term debt, current $ 0 $ 5,824
Long term debt, noncurrent 374,556 267,513
Long term debt 374,556 273,337
Unused borrowing capacity $ 0 $ 0
Non-recourse debt | Subordinated | Minimum    
Debt Instrument [Line Items]    
Interest rate 7.26% 7.03%
Non-recourse debt | Subordinated | Maximum    
Debt Instrument [Line Items]    
Interest rate 10.50% 10.00%
Non-recourse debt | Securitization Class A    
Debt Instrument [Line Items]    
Long term debt, current $ 20,353 $ 10,125
Long term debt, noncurrent 548,767 380,299
Long term debt 569,120 390,424
Unused borrowing capacity $ 0 $ 0
Non-recourse debt | Securitization Class A | Minimum    
Debt Instrument [Line Items]    
Interest rate 3.98% 4.40%
Non-recourse debt | Securitization Class A | Maximum    
Debt Instrument [Line Items]    
Interest rate 5.31% 5.31%
Non-recourse debt | Securitization Class B    
Debt Instrument [Line Items]    
Long term debt, current $ 484 $ 465
Long term debt, noncurrent 8,821 9,179
Long term debt 9,305 9,644
Unused borrowing capacity $ 0 $ 0
Interest rate 5.38% 5.38%