XML 88 R68.htm IDEA: XBRL DOCUMENT v3.8.0.1
Commitments and Contingencies (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2018 $ 1,278    
2019 1,242    
2020 1,175    
2021 447    
2022 433    
Thereafter 392    
Total 4,967    
Operating leases rent expense $ 1,500 $ 1,500 $ 1,700