Leases - Future Minimum Payments for Operating and Finance Leases (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Finance Leases
2019	$ 332
2020	85
2021	10
2022	10
2023	6
Thereafter	0
Total minimum lease payments	443
Less amount representing interest	(58)
Finance lease liabilities	385
Accrued expenses and other current liabilities	382
Other long-term liabilities	3
Operating Leases
2019	2,026
2020	1,269
2021	720
2022	584
2023	489
Thereafter	728
Total minimum lease payments	5,816
Less amount representing interest	(719)
Operating lease, liability	5,097
Operating lease liabilities, current	2,505
Operating lease liabilities, noncurrent	$ 2,592