Leases - Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities: operating cash flows from operating leases	$ 878	$ 718
Weighted average remaining lease term, operating leases	6 years 2 months 12 days	7 years 2 months 12 days
Weighted average discount rate, operating leases	6.50%	6.40%