Leases - Maturities of Lease Liabilities (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Operating leases
2019	$ 2,102
2020	4,283
2021	3,817
2022	3,313
2023	3,084
Thereafter	15,289
Total minimum lease payments	31,888
Less: imputed interest	(6,152)
Present value of lease liabilities	25,736
Less current portion	(4,070)
Total long-term lease liabilities	21,666
Finance leases
2019	417
2020	150
2021	4
Total minimum lease payments	571
Less: imputed interest	(14)
Present value of lease liabilities	557
Less current portion	548
Total long-term lease liabilities	$ 9