Leases - Lessee, Operating Lease Other Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ (22,470)	$ (20,031)
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 48,248	$ 35,191
Weighted-average remaining lease term of operating leases	7 years 3 months 18 days	7 years 8 months 12 days
Weighted-average discount rate of operating leases	2.90%	3.70%