Leases - Maturity of Lease Liability (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Operating Leases
2019 (remainder of year)	$ 6,424
2020	5,676
2021	4,501
2022	3,699
2023	3,062
Thereafter	9,424
Total lease payments	32,786
Less: Interest	4,245
Present value of lease liabilities	28,541
Finance Lease Liabilities, Payments, Due [Abstract]
2019 (remainder of year)	245
2020	327
2021	327
2022	326
2023	219
Thereafter	0
Total lease payments	1,444
Less: Interest	131
Present value of lease liabilities	1,313
Total
2019 (remainder of year)	6,669
2020	6,003
2021	4,828
2022	4,025
2023	3,281
Thereafter	9,424
Total lease payments	34,230
Less: Interest	4,376
Present value of lease liabilities	$ 29,854