Quarterly report pursuant to Section 13 or 15(d)

Leases - Lease Cost (Details)

v3.19.1
Leases - Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Leases [Abstract]    
Operating lease costs $ 1,838  
Short-term lease costs 39  
Amortization expense 532 $ 534
Interest on lease liabilities 949  
Total lease costs $ 3,358