Deposits - Narrative (Details) $ in Thousands	Sep. 30, 2023 USD ($) contract	Dec. 31, 2022 USD ($)
Deposit Liability [Line Items]
Time deposits exceeding FDIC limit	$ 1,900,000	$ 1,600,000
Brokered Demand Certificate of Deposit and Savings Deposit
Deposit Liability [Line Items]
Notional amount	$ 105,000
Interest Rate Swap
Deposit Liability [Line Items]
Number of derivative instruments \| contract	11
Notional amount	$ 105,000	$ 125,000
Asset Pledged as Collateral \| Deposits
Deposit Liability [Line Items]
Investment securities	$ 812,700

Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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