Leases - Supplemental cash flow information and other related information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 15,197	$ 7,822
Operating cash flows from finance leases	273	313
Financing cash flows from finance leases	1,133	538
ROU assets obtained in exchange for new lease obligations - Operating leases	$ 2,394	$ 259
Weighted average remaining term - Operating leases	8 years 2 months 12 days	8 years 7 months 6 days
Weighted average remaining lease term - Finance leases	8 years 10 months 24 days	7 years 3 months 18 days
Weighted average discount rate - Operating leases	3.00%	3.40%
Weighted average discount rate - Finance leases	5.10%	5.70%