XML 75 R51.htm IDEA: XBRL DOCUMENT v3.19.1
DEBT - Summary of Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Oct. 31, 2016
Debt Instrument [Line Items]      
Net carrying value $ 2,372 $ 82,113 $ 6,000
Current maturities of long-term debt 2,372 15,500  
Long-term debt, net of current maturities 0 66,613  
Revolving Credit Facility      
Debt Instrument [Line Items]      
Net carrying value 0 80,054  
Notes Payable      
Debt Instrument [Line Items]      
Note payable to GPIA Sponsor, net of DDIC $ 2,372 $ 2,059