Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 12,006	$ 10,584
Operating cash flows from finance leases	64	7
Financing cash flows from finance leases	226	38
Right of use assets obtained in exchange for lease liabilities
Operating leases	6,544	354
Finance leases	$ 987	$ 0