Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Debt and Maturities (Details)

v3.20.1
Long-Term Debt - Debt and Maturities (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Long-term debt $ 48,044 $ 48,260
Less: current portion of long-term debt (696) (749)
Less: debt issuance costs (2,225) (2,285)
Long-term debt, net of current portion 45,123 45,226
Medium-term Notes | Term Loan Agreements    
Debt Instrument [Line Items]    
Long-term debt 47,760 47,880
Construction Loans | Equipment Financing Agreements    
Debt Instrument [Line Items]    
Long-term debt $ 284 $ 380