Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 3,643	$ 3,464
Operating cash flows from finance leases	9	3
Financing cash flows from finance leases	45	12
Right of use assets obtained in exchange for lease liabilities
Operating leases	6,247	223
Finance leases	$ 39	$ 0