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Investment Securities - Schedule of Available-for-Sale Securities Amortized Cost and Fair Value (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	$ 285,835,000	$ 613,479,000
Available-for-sale, gross unrealized gains	16,000	3,000
Available-for-sale, gross unrealized losses	(32,934,000)	(61,454,000)
Allowance for Credit Losses	0	0
Fair Value	$ 252,917,000	$ 552,028,000
Debt securities, available-for-sale, accrued interest, after allowance for credit loss, statement of financial position [Extensible Enumeration]	Interest receivable and other assets	Interest receivable and other assets
Accrued interest	$ 1,300,000	$ 2,300,000
MBS pass-through securities issued by FHLMC, FNMA and GNMA
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	46,729,000	81,937,000
Available-for-sale, gross unrealized gains	10,000	2,000
Available-for-sale, gross unrealized losses	(5,584,000)	(9,516,000)
Allowance for Credit Losses	0	0
Fair Value	41,155,000	72,423,000
CMOs issued by FHLMC
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	96,956,000	266,407,000
Available-for-sale, gross unrealized gains	6,000	0
Available-for-sale, gross unrealized losses	(8,551,000)	(24,758,000)
Allowance for Credit Losses	0	0
Fair Value	88,411,000	241,649,000
CMOs issued by FNMA
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	4,520,000	23,987,000
Available-for-sale, gross unrealized gains	0	0
Available-for-sale, gross unrealized losses	(654,000)	(2,715,000)
Allowance for Credit Losses	0	0
Fair Value	3,866,000	21,272,000
CMOs issued by GNMA
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	14,300,000	20,006,000
Available-for-sale, gross unrealized gains	0	0
Available-for-sale, gross unrealized losses	(2,756,000)	(2,878,000)
Allowance for Credit Losses	0	0
Fair Value	11,544,000	17,128,000
SBA-backed securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	365,000	21,126,000
Available-for-sale, gross unrealized gains	0	0
Available-for-sale, gross unrealized losses	(31,000)	(1,655,000)
Allowance for Credit Losses	0	0
Fair Value	334,000	19,471,000
Debentures of government- sponsored agencies
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	8,971,000	73,899,000
Available-for-sale, gross unrealized gains	0	0
Available-for-sale, gross unrealized losses	(1,837,000)	(7,037,000)
Allowance for Credit Losses	0	0
Fair Value	7,134,000	66,862,000
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	11,932,000	11,923,000
Available-for-sale, gross unrealized gains	0	0
Available-for-sale, gross unrealized losses	(1,362,000)	(1,300,000)
Allowance for Credit Losses	0
Fair Value	10,570,000	10,623,000
Obligations of state and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	96,062,000	102,202,000
Available-for-sale, gross unrealized gains	0	1,000
Available-for-sale, gross unrealized losses	(11,581,000)	(10,321,000)
Allowance for Credit Losses	0	0
Fair Value	84,481,000	91,882,000
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	6,000,000	11,992,000
Available-for-sale, gross unrealized gains	0	0
Available-for-sale, gross unrealized losses	(578,000)	(1,274,000)
Allowance for Credit Losses	0	0
Fair Value	$ 5,422,000	$ 10,718,000

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- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) 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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