XML 81 R66.htm IDEA: XBRL DOCUMENT v3.6.0.2
Commitments and Contingencies - Minimum Lease Requirements (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Minimum lease commitments for property and equipment      
Lease expense $ 2,500 $ 2,300 $ 2,300
Property and equipment under operating leases      
Minimum lease commitments for property and equipment      
2017 3,281    
2018 2,292    
2019 1,900    
2020 1,592    
2021 1,203    
Thereafter 3,605    
Total $ 13,873