Investment Securities - Schedule of Present Cost or Amortized Cost and Fair Values of Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Investment securities, held-to-maturity
Amortized cost	$ 7,695
Fair value	7,470
Total held-to-maturity and available-for-sale investment securities
Amortized cost	230,975	$ 336,997
Accumulated unrealized gains	878	48
Accumulated unrealized losses	(3,473)	(9,528)
Fair value	228,380	327,517
U.S. government and government agencies
Investment securities, held-to-maturity
Amortized cost	7,695	757
Accumulated unrealized gains	0	0
Accumulated unrealized losses	(225)	(106)
Fair value	7,470	651
Investment securities, available-for-sale
Amortized cost	126,071	237,457
Accumulated unrealized gains	713	10
Accumulated unrealized losses	(3,070)	(9,000)
Fair value	123,714	228,467
Corporate debt securities
Investment securities, available-for-sale
Amortized cost	95,354	98,783
Accumulated unrealized gains	165	38
Accumulated unrealized losses	(176)	(422)
Fair value	95,343	$ 98,399
Other
Investment securities, available-for-sale
Amortized cost	1,855
Accumulated unrealized gains	0
Accumulated unrealized losses	(2)
Fair value	$ 1,853

Available for sale securities and held to maturity securities accumulated gross unrealized gain before tax.

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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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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Sum of the carrying amounts as of the balance sheet date of all investments.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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