Leases - Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Lease, Cost [Abstract]
Operating cash flows for operating leases	$ 2,805	$ 2,418
Finance cash flows for finance leases	290	290
Operating right-of-use assets obtained in exchange for lease obligations during the current period	$ 786	$ 2,068