Leases - Future minimum payments (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Operating lease liabilities under Topic 842
Operating leases - 2023	$ 15,095
Operating leases - 2024	29,153
Operating leases - 2025	26,326
Operating leases - 2026	17,935
Operating leases - 2027	12,709
Operating leases - later years	48,893
Operating leases - Total	150,111
Less: Imputed interest	(18,674)
Operating lease liabilities	$ 131,437	$ 137,290
Operating Lease Liability Statement Of Financial Position Extensible List	Other liabilities	Other liabilities
Finance lease liabilities under Topic 842
Finance leases - 2023	$ 3,192
Finance leases - 2024	3,991
Finance leases - 2025	4,084
Finance leases - 2026	3,839
Finance leases - 2027	2,468
Finance leases - later years	9,346
Finance leases - Total	26,920
Less: imputed interest	(2,829)
Finance lease liabilities	$ 24,091	$ 24,737
Finance Lease Liability Statement Of Financial Position Extensible List	Other liabilities	Other liabilities