Quarterly report pursuant to Section 13 or 15(d)

LONG-TERM DEBT - Schedule of Long-Term Debt (Details)

v3.19.2
LONG-TERM DEBT - Schedule of Long-Term Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Total principal balance on borrowings $ 163,432 $ 165,203
Portion due within one year (1,859) (2,058)
Unamortized debt issuance costs (1,516) (1,712)
Unamortized discount, net (1,076) (1,216)
Long-term debt 158,981 160,217
7.750% Senior Notes    
Debt Instrument [Line Items]    
Total principal balance on borrowings 144,088 144,828
Senior secured revolving credit facility    
Debt Instrument [Line Items]    
Total principal balance on borrowings 0 0
Promissory notes    
Debt Instrument [Line Items]    
Total principal balance on borrowings 19,148 19,980
Other    
Debt Instrument [Line Items]    
Total principal balance on borrowings $ 196 $ 395