Derivative Financial Instruments - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Notional amount	$ 1,772,298,000	$ 6,861,921,000
Stockholders' equity attributable to parent	1,083,985,000	1,386,087,000	$ 1,110,899,000	$ 1,827,231,000
Interest Expense
Derivative [Line Items]
Expected amortization of realized losses related to terminated cash flow hedges	4,000,000
Net Unrealized Losses on Interest Rate Agreements Accounted for as Cash Flow Hedges
Derivative [Line Items]
Stockholders' equity attributable to parent	(72,303,000)	(76,430,000)	(80,557,000)
Mortgage Banking Activities, Net
Derivative [Line Items]
Changes in fair value of assets	(58,648,000)	196,566,000	66,482,000
LPCs, IRLCs, and FSCs | Mortgage Banking Activities, Net
Derivative [Line Items]
Changes in fair value of assets	(55,000,000)	11,000,000	57,000,000
Interest Rate Contract
Derivative [Line Items]
Notional amount	285,000,000	2,100,000,000
TBAs
Derivative [Line Items]
Notional amount	1,070,000,000.00	3,310,000,000
Futures
Derivative [Line Items]
Notional amount	411,000,000	72,000,000
Residential and Commercial Loans
Derivative [Line Items]
Valuation adjustments on derivatives	184,000,000	41,000,000	(93,000,000)
Interest rate agreements | Cash Flow Hedging
Derivative [Line Items]
Valuation adjustments on derivatives	$ 0	$ 0	$ (33,000,000)