Leases - Future minimum payments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Operating lease liabilities under Topic 842
Operating leases - 2022	$ 14,676
Operating leases - 2023	27,985
Operating leases - 2024	26,571
Operating leases - 2025	23,644
Operating leases - 2026	15,171
Operating leases - later years	47,965
Operating leases - Total	156,012
Less: Imputed interest	(17,795)
Operating lease liabilities	$ 138,217	$ 154,114
Operating Lease Liability Statement Of Financial Position Extensible List	Other liabilities	Other liabilities
Finance lease liabilities under Topic 842
Finance leases - 2022	$ 2,079
Finance leases - 2023	4,225
Finance leases - 2024	4,323
Finance leases - 2025	4,434
Finance leases - 2026	4,084
Finance leases - later years	9,995
Finance leases - Total	29,140
Less: imputed interest	(3,677)
Finance lease liabilities	$ 25,463	$ 19,719
Finance Lease Liability Statement Of Financial Position Extensible List	Other liabilities	Other liabilities