Borrowings - Borrowings (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Federal Home Loan Bank advances, variable and fixed rates ranging from 0.01% to 4.90%, due at various dates through July 23, 2031	$ 525,484	$ 365,538
Securities sold under agreements to repurchase	130,798	109,462
Secured borrowings	19,471	0
Total borrowings	$ 675,753	$ 475,000
Minimum
Debt Instrument [Line Items]
Federal Home Loan Bank advances, variable and fixed rates	0.01%
Maximum
Debt Instrument [Line Items]
Federal Home Loan Bank advances, variable and fixed rates	4.90%

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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