Leases - Supplemental cash flow information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating and finance leases	$ 15,965	$ 13,848
Financing cash flows from finance leases	397	234
Right-of-use assets obtained in exchange for new operating and finance lease liabilities	$ 27,300	$ 23,986
Weighted average remaining lease term (years)
Operating leases	4 years 7 months 6 days	5 years 4 months 24 days
Finance leases	6 years 2 months 12 days	7 years 8 months 12 days
Weighted average discount rate
Operating leases	7.00%	8.80%
Finance leases	10.70%	12.20%