Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 370	$ 434
Operating cash flows from finance lease	0	0
Financing cash flows from finance lease	$ 0	$ 0