Investment Securities - Schedule of Present Cost or Amortized Cost and Fair Values of Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Investment securities, held-to-maturity
Amortized cost	$ 756
Fair value	666
Total held-to-maturity and available-for-sale investment securities
Amortized cost	299,461	$ 336,997
Accumulated unrealized gains	155	48
Accumulated unrealized losses	(7,276)	(9,528)
Fair value	292,340	327,517
U.S. government and government agencies
Investment securities, held-to-maturity
Amortized cost	756	757
Accumulated unrealized gains	0	0
Accumulated unrealized losses	(90)	(106)
Fair value	666	651
Investment securities, available-for-sale
Amortized cost	192,016	237,457
Accumulated unrealized gains	60	10
Accumulated unrealized losses	(6,687)	(9,000)
Fair value	185,389	228,467
Corporate debt securities
Investment securities, available-for-sale
Amortized cost	106,689	98,783
Accumulated unrealized gains	95	38
Accumulated unrealized losses	(499)	(422)
Fair value	$ 106,285	$ 98,399

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

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Available for sale securities and held to maturity securities accumulated gross unrealized loss 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 tax, of unrealized loss 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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Amortized cost of 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 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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Amount of accumulated unrealized loss 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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