Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Other Liabilities Disclosure [Abstract]
Accrued expenses	$ 334,145	$ 337,695
Accrued interest payable	60,723	59,102
Accounts payable	91,218	89,339
Dividends payable	49,546	44,741	$ 39,500
Trades payable	495,139	31
Liability for GNMA loans sold with an option to repurchase	9,108	10,960
Reserves for loan indemnifications	2,779	4,408
Reserve for operational losses	29,465	27,994
Operating lease liabilities	103,198	126,946
Finance lease liabilities	23,141	25,778
Pension benefit obligation	5,816	6,772
Postretirement benefit obligation	99,172	117,045
Other liabilities	68,396	63,816
Total other liabilities	$ 1,371,846	$ 914,627
Operating Lease Liability Statement Of Financial Position	Other liabilities	Other liabilities
Finance Lease Liability Statement Of Financial Position	Other liabilities	Other liabilities