XML 54 R43.htm IDEA: XBRL DOCUMENT v3.8.0.1
Accounts Receivable (Receivables) (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Receivables [Abstract]    
Accounts receivable $ 54,427 $ 50,457
Less: Allowance for doubtful accounts (108) (119)
Total, net $ 54,319 $ 50,338