Other Borrowing Arrangements - Additional Information (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
---|---|---|
Short-term Debt [Line Items] | ||
Short-term borrowings | $ 328,169 | $ 106,937 |
Short-term Debt, Excluding Repurchase Agreements [Member] | ||
Short-term Debt [Line Items] | ||
Short-term borrowings | 219,000 | 0 |
Federal Home Loan Bank Advances [Member] | ||
Short-term Debt [Line Items] | ||
First mortgage loans under a blanket lien arrangement collateralized | 1,300,000 | |
Maximum borrowing capacity | 922,100 | |
Remaining borrowing capacity | 661,000 | |
Short-term borrowings | 94,000 | 0 |
Federal Reserve Bank Advances [Member] | ||
Short-term Debt [Line Items] | ||
First mortgage loans under a blanket lien arrangement collateralized | 52,100 | |
Maximum borrowing capacity | 42,300 | |
Short-term borrowings | 0 | 0 |
Unsecured Debt [Member] | Unsecured Lines of Credit, Correspondent Banks [Member] | Line of Credit [Member] | ||
Short-term Debt [Line Items] | ||
Maximum borrowing capacity | 362,000 | 305,000 |
Short-term borrowings | $ 125,000 | $ 0 |