Other Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Other Liabilities Disclosure [Abstract]
Accrued expenses	$ 280,991	$ 308,594
Accrued interest payable	33,015	33,227
Accounts payable	97,220	91,804
Dividends payable	42,120	35,937
Trades payable	10,312	13,789
Liability for GNMA loans sold with an option to repurchase	11,034	12,806
Reserves for loan indemnifications	9,881	12,639
Reserve for operational losses	37,718	43,886
Operating lease liabilities	138,217	154,114
Finance lease liabilities	25,463	19,719
Pension benefit obligation	8,214	8,778
Postretirement benefit obligation	158,904	161,988
Other liabilities	68,694	70,967
Total other liabilities	$ 921,783	$ 968,248
Operating Lease Liability Statement Of Financial Position	Other liabilities	Other liabilities
Operating Lease Liability Statement Of Financial Position	Other liabilities	Other liabilities