Other liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Other Liabilities Disclosure [Abstract]
Accrued expenses	$ 249,449	$ 321,203
Accrued interest payable	70,480	66,240
Accounts payable	107,464	78,998
Dividends payable	48,148	49,596
Trades payable	6,868	595,911
Liability for GNMA loans sold with an option to repurchase	8,821	8,734
Reserves for loan indemnifications	2,219	2,704
Reserve for operational losses	22,657	20,723
Operating lease liabilities	109,338	104,958
Finance lease liabilities	26,755	27,389
Pension benefit obligation	4,494	4,739
Postretirement benefit obligation	102,971	103,974
Others	83,685	75,348
Total other liabilities	$ 843,349	$ 1,460,517
Operating Lease Liability Statement Of Financial Position	Total other liabilities	Total other liabilities
Finance Lease Liability Statement Of Financial Position	Total other liabilities	Total other liabilities