Quarterly report pursuant to Section 13 or 15(d)

Debt - Summary of Long-term Debt (Details)

v3.19.3
Debt - Summary of Long-term Debt (Details) - USD ($)
Sep. 30, 2019
Jun. 30, 2019
May 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Debt Instrument [Line Items]          
Financing leases $ 31,106,000     $ 33,363,000 $ 33,363,000
Debt and financing leases, gross 285,174,000       253,873,000
Less - current maturities 54,958,000       26,890,000
Less - deferred financing fees 6,450,000       7,821,000
Long term debt and financing lease liabilities [1] 223,766,000       219,162,000
Future interest payments $ 23,510,000        
Term Loan          
Debt Instrument [Line Items]          
Long-term debt, gross   $ 65,000,000 $ 40,000,000    
Term Loan | Variable rate term loan payable in semi-annual installments          
Debt Instrument [Line Items]          
Weighted average interest rate, percentage 4.34%        
Long-term debt, gross $ 774,000       936,000
Term Loan | Variable rate term loan payable in semi-annual installments          
Debt Instrument [Line Items]          
Weighted average interest rate, percentage 4.09%        
Long-term debt, gross $ 6,953,000       7,426,000
Term Loan | Term loan payable in quarterly installments          
Debt Instrument [Line Items]          
Fixed interest rate, percentage 7.25%        
Long-term debt, gross $ 993,000       1,464,000
Term Loan | Term loan payable in monthly installments          
Debt Instrument [Line Items]          
Fixed interest rate, percentage 6.11%        
Long-term debt, gross $ 3,606,000       3,843,000
Term Loan | Variable rate term loan payable in quarterly installments          
Debt Instrument [Line Items]          
Weighted average interest rate, percentage 5.59%        
Long-term debt, gross $ 28,844,000       30,674,000
Term Loan | Variable rate term loan payable in quarterly installments          
Debt Instrument [Line Items]          
Weighted average interest rate, percentage 4.59%        
Long-term debt, gross $ 16,782,000       17,208,000
Term Loan | Term loan payable in quarterly installments          
Debt Instrument [Line Items]          
Fixed interest rate, percentage 4.95%        
Long-term debt, gross $ 3,753,000       3,925,000
Term Loan | Term loan payable in quarterly installments          
Debt Instrument [Line Items]          
Fixed interest rate, percentage 5.00%        
Long-term debt, gross $ 3,627,000       3,945,000
Term Loan | Term loan payable in monthly installments          
Debt Instrument [Line Items]          
Weighted average interest rate, percentage 4.50%        
Long-term debt, gross $ 23,211,000       22,081,000
Term Loan | Term loan payable in quarterly installments          
Debt Instrument [Line Items]          
Fixed interest rate, percentage 5.61%        
Long-term debt, gross $ 2,661,000       2,735,000
Term Loan | Variable rate term loan payable in quarterly installments          
Debt Instrument [Line Items]          
Fixed interest rate, percentage 4.535%        
Long-term debt, gross $ 12,330,000       12,915,000
Term Loan | Variable rate term loan payable in quarterly installments          
Debt Instrument [Line Items]          
Weighted average interest rate, percentage 9.59%        
Long-term debt, gross $ 16,366,000       21,475,000
Term Loan | Term loan payable in quarterly installments          
Debt Instrument [Line Items]          
Weighted average interest rate, percentage 5.15%        
Long-term debt, gross $ 29,463,000       30,069,000
Term Loan | Variable rate term loan payable in semi-annual installments          
Debt Instrument [Line Items]          
Weighted average interest rate, percentage 4.14%        
Long-term debt, gross $ 9,337,000       9,668,000
Term Loan | Variable rate term loan payable in monthly/quarterly installments          
Debt Instrument [Line Items]          
Weighted average interest rate, percentage 4.60%        
Long-term debt, gross $ 9,086,000       9,072,000
Long term finance liability in semi-annual installments | Long term finance liability in semi-annual installments          
Debt Instrument [Line Items]          
Weighted average interest rate, percentage 0.28%        
Long-term debt, gross $ 4,872,000       0
Revolving Senior Secured Credit Facility          
Debt Instrument [Line Items]          
Weighted average interest rate, percentage 3.84%        
Long-term debt, gross $ 81,410,000       $ 43,074,000
[1] Includes restricted assets of consolidated variable interest entities (“VIEs”) at September 30, 2019 and December 31, 2018 of $136,213 and $126,727, respectively. Includes non-recourse liabilities of consolidated VIEs at September 30, 2019 and December 31, 2018 of $39,548 and $34,684, respectively. See Note 12.