Annual report pursuant to Section 13 and 15(d)

Warehouse Lines of Credit - Additional Information (Details)

v3.22.0.1
Warehouse Lines of Credit - Additional Information (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Warehouse Lines of Credit [Line Items]    
Warehouse lines of credit $ 1,927,478,000 $ 2,143,443,000
Warehouse Agreement Borrowings | Line of Credit    
Warehouse Lines of Credit [Line Items]    
Weighted average interest rate 2.40% 2.50%
Cash balances $ 46,700,000 $ 15,600,000
Line of Credit    
Warehouse Lines of Credit [Line Items]    
Warehouse lines of credit $ 0 $ 0