Leases - Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Operating lease costs	$ 3,018	$ 2,069
Amortization of financing lease right-of-use assets	708	4
Interest expense for financing lease liabilities	199	2
Total financing lease costs	907	6
Short-term lease costs	168	139
Total lease costs	$ 4,093	$ 2,214