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Derivative Financial Instruments - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Derivative [Line Items]        
Notional amount $ 2,628,677,000 $ 1,772,298,000    
Changes in fair value of assets 46,197,000 (58,648,000) $ 196,566,000  
Stockholders' equity attributable to parent 1,202,693,000 1,083,985,000 1,386,087,000 $ 1,110,899,000
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 (68,176,000) (72,303,000) (76,430,000)  
LPCs, IRLCs, and FSCs        
Derivative [Line Items]        
Changes in fair value of assets 23,000,000 (55,000,000) 11,000,000  
Interest Rate Contract        
Derivative [Line Items]        
Notional amount 50,000,000 285,000,000    
Interest Rate Contract | Cash Flow Hedging        
Derivative [Line Items]        
Realized net losses from accumulated comprehensive loss into Interest expense 4,000,000 4,000,000    
TBAs        
Derivative [Line Items]        
Notional amount 1,790,000,000 1,070,000,000.00    
Futures        
Derivative [Line Items]        
Notional amount 142,000,000 411,000,000    
Residential and Commercial Loans        
Derivative [Line Items]        
Valuation adjustments on derivatives $ (20,000,000) $ 184,000,000 $ 41,000,000