Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Schedule of Operating Lease Commitments (Details)

v3.19.1
Commitments and Contingencies - Schedule of Operating Lease Commitments (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Future Minimum Lease Payments Under Operating Leases      
2019 $ 4,941    
2020 4,593    
2021 4,359    
2022 3,818    
2023 3,541    
Thereafter 13,115    
Minimum lease payments 34,367    
Rent expense $ 8,500 $ 7,300 $ 5,600