Revenue Recognition - Noninterest Income (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Noninterest income
Loss on limited partnerships		$ (166)
Dividends on equity investments	$ 375	276	$ 1,076
Unrealized losses recognized on equity investments	(311)	(291)	(291)
Net (loss) gains on sale of securities	(2,883)	45	396
Other	5,682	1,335	6,116
Total noninterest income	8,589	6,579	30,400
Returned Item and Overdraft Fees [Member]
Noninterest income
Service charges and fees on deposit accounts	1,324	1,258	5,261
Other Service Charges on Deposits [Member]
Noninterest income
Service charges and fees on deposit accounts	2,454	2,093	9,790
Debit Card [Member]
Noninterest income
Service charges and fees on deposit accounts	$ 1,948	$ 2,029	$ 8,052

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Revenue Not from Contract with Customer, Excluding Interest Income, Other Income

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Amount of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of dividend income on nonoperating securities.

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The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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