Leases - Lease cost and other information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Lease Cost Components:
Amortization of ROU assets - finance leases	$ 115	$ 117
Interest on lease liabilities - finance leases	7	9
Operating lease cost (cost resulting from lease payments)	9,369	4,277
Short-term lease cost	355	139
Variable lease cost (cost excluded from lease payments)	755	797
Total lease cost	10,601	5,339
Supplemental Cash Flow and Other Information Related to Leases:
Finance lease - operating cash flows	7	9
Finance lease - financing cash flows	121	119
Operating lease - operating cash flows (fixed payments)	8,587	4,193
Operating lease - operating cash flows (net change asset/liability)	(4,985)	(3,367)
New ROU assets - operating leases	$ 389,613	$ 2,544
Weighted - average remaining lease term (years) - finance leases	3 years 2 months 12 days	4 years 2 months 4 days
Weighted - average remaining lease term (years) - operating leases	13 years 1 month 17 days	9 years 1 month 2 days
Weighted - average discount rate - finance leases	1.70%	1.70%
Weighted - average discount rate - operating leases	6.40%	3.20%
Maturity Analysis of Lease Liabilities:
2025 (excluding 3 months ended March 31, 2025)	$ 42,228
2026	55,872
2027	54,711
2028	54,507
2029	53,639
Thereafter	491,763
Total undiscounted cash flows	752,720
Discount on cash flows	(264,628)
Total operating lease liabilities	$ 488,092		$ 103,900
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other Liabilities.		Other Liabilities.