Leases - Summary of Supplemental Cash Flow Information (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used for operating leases	$ 451
Operating cash flows used for finance leases	10
Financing cash flows used for financing leases	194
Total	655
Right-of-use assets obtained in exchange for obligations:
Operating leases	2,076
Finance leases	341
Total	$ 2,417