Leases - Supplemental balance sheet information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Lease liabilities	$ 138,163	$ 108,743
Cash paid for amounts included in the measurement of lease liabilities within operating cash flows	29,199	28,276
Right of use assets obtained in exchange for operating lease obligations	$ 55,290	$ 8,904
Weighted average remaining lease term	7 years 10 months 24 days	6 years 8 months 12 days
Weighted average discount rate	3.70%	4.00%