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Borrowings - Additional Information (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2021 USD ($)
Short-term Debt [Line Items] |
Federal Home Loan Bank advances are secured by first and second mortgage loans and mortgage warehouse loans | $ 830.8
Available credit lines with various money center banks | $ 672.7
Maximum |
Short-term Debt [Line Items] |
Call date | Oct. 24, 2022
Minimum |
Short-term Debt [Line Items] |
Call date | Jan. 24, 2022
Federal Home Loan Bank, Advances, Putable Option |
Short-term Debt [Line Items] |
Putable advances | $ 425.0

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