Other Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Other Liabilities Disclosure Abstract
Accrued expenses	$ 245,596	$ 273,184
Accrued interest payable	32,719	44,026
Accounts payable	70,846	65,688
Dividends payable	33,692	29,027
Trades payable	1,484,410	4,084
Liability for GNMA loans sold with an option to repurchase	161,358	102,663
Reserves for loan indemnifications	29,882	38,074
Reserve for operational losses	41,890	35,665
Operating lease liabilities	164,958	165,139
Finance lease liabilities	23,969	19,810
Pension benefit obligation	41,453	52,616
Postretirement benefit obligation	167,983	168,681
Others	70,121	46,296
Total other liabilities	$ 2,568,877	$ 1,044,953