Quarterly report pursuant to Section 13 or 15(d)

Debt - Summary of Long-term Debt (Details)

v3.19.2
Debt - Summary of Long-term Debt (Details) - USD ($)
Jun. 30, 2019
May 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Debt Instrument [Line Items]        
Financing leases $ 31,144,000   $ 33,363,000 $ 33,363,000
Debt and financing leases, gross 285,152,000     253,873,000
Less - current maturities 54,351,000     26,890,000
Less - deferred financing fees 6,776,000     7,821,000
Long-term debt and financing lease liabilities [1] 224,025,000     219,162,000
Future interest payments 23,651,000      
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 4.57%      
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 4.32%      
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 $ 1,308,000     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 $ 3,803,000     3,843,000
Term Loan | Variable rate term loan payable in quarterly installments        
Debt Instrument [Line Items]        
Weighted average interest rate, percentage 5.82%      
Long-term debt, gross $ 29,501,000     30,674,000
Term Loan | Variable rate term loan payable in quarterly installments        
Debt Instrument [Line Items]        
Weighted average interest rate, percentage 4.82%      
Long-term debt, gross $ 16,763,000     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 $ 3,869,000     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 $ 3,733,000     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 $ 23,946,000     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 $ 2,775,000     2,735,000
Term Loan | Variable rate term loan payable in quarterly installments        
Debt Instrument [Line Items]        
Fixed interest rate, percentage 4.77%      
Long-term debt, gross $ 12,327,000     12,915,000
Term Loan | Variable rate term loan payable in quarterly installments        
Debt Instrument [Line Items]        
Weighted average interest rate, percentage 9.82%      
Long-term debt, gross $ 17,218,000     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 $ 30,007,000     30,069,000
Term Loan | Variable rate term loan payable in semi-annual installments        
Debt Instrument [Line Items]        
Weighted average interest rate, percentage 4.37%      
Long-term debt, gross $ 9,336,000     9,668,000
Term Loan | Variable rate term loan payable in monthly/quarterly installments        
Debt Instrument [Line Items]        
Weighted average interest rate, percentage 4.94%      
Long-term debt, gross $ 9,082,000     9,072,000
Revolving Senior Secured Credit Facility        
Debt Instrument [Line Items]        
Weighted average interest rate, percentage 4.10%      
Long-term debt, gross $ 82,613,000     $ 43,074,000
[1] Includes restricted assets of consolidated variable interest entities (“VIEs”) at June 30, 2019 and December 31, 2018 of $134,848 and $126,727, respectively. Includes non-recourse liabilities of consolidated VIEs at June 30, 2019 and December 31, 2018 of $40,217 and $34,684, respectively. See Note 12.