XML 76 R50.htm IDEA: XBRL DOCUMENT v3.6.0.2
Commitments (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Commitments      
Rental expense $ 700 $ 600 $ 300
Future minimum payments for operating leases      
2017 488    
2018 455    
2019 449    
2020 358    
2021 and thereafter 997    
Total 2,747    
Future minimum payments for other commitments      
2017 5,427    
2018 2,574    
2019 1,292    
2020 621    
2021 and thereafter 10    
Total 9,924    
Future minimum payments for operating leases and other commitments      
2017 5,915    
2018 3,029    
2019 1,741    
2020 979    
2021 and thereafter 1,007    
Total $ 12,671