SUPPLEMENTAL STATEMENT OF CASH FLOWS INFORMATION - Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash paid for:
Interest	$ 207,829	$ 65,986	$ 68,668
Income tax	109,512	51,798	15,477
Operating cash flow from operating leases	17,307	18,202	19,328
Non-cash investing and financing activities:
Additions to OREO	22,649	15,350	19,348
Additions to auto and other repossessed assets	66,796	45,607	33,408
Capitalization of servicing assets	2,240	3,122	5,194
Loan securitizations	122,732	141,909	191,434
Loans held for investment transferred to held for sale	3,451	4,632	33,010
Right-of-use asset obtained in exchange for operating lease liabilities, net of lease terminations	4,861	2,733	4,553
Acquisition:
Consideration	0	0	584
Fair value of assets acquired	$ 0	$ 0	$ 605