Investment Securities - Securities in a Gross Unrealized Loss Position - Available-for-sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Available-for-Sale, Fair Value
Fair Value, 12 Months or Longer	$ 147,753	$ 169,993
Fair Value	147,753	169,993
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(16,027)	(15,697)
Gross Unrealized Losses	(16,027)	(15,697)
U.S. Treasuries
Available-for-Sale, Fair Value
Fair Value, 12 Months or Longer	31,381	42,977
Fair Value	31,381	42,977
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(1,479)	(1,816)
Gross Unrealized Losses	(1,479)	(1,816)
U.S. government and federal agencies
Available-for-Sale, Fair Value
Fair Value, 12 Months or Longer	13,354	13,275
Fair Value	13,354	13,275
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(555)	(575)
Gross Unrealized Losses	(555)	(575)
Corporate bonds
Available-for-Sale, Fair Value
Fair Value, 12 Months or Longer	2,483	2,523
Fair Value	2,483	2,523
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(517)	(477)
Gross Unrealized Losses	(517)	(477)
U.S. agency collateralized mortgage obligations
Available-for-Sale, Fair Value
Fair Value, 12 Months or Longer	32,708	34,310
Fair Value	32,708	34,310
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(6,712)	(6,496)
Gross Unrealized Losses	(6,712)	(6,496)
Tax-exempt municipal
Available-for-Sale, Fair Value
Fair Value, 12 Months or Longer	1,179	1,231
Fair Value	1,179	1,231
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(200)	(149)
Gross Unrealized Losses	(200)	(149)
Taxable municipal
Available-for-Sale, Fair Value
Fair Value, 12 Months or Longer	592	587
Fair Value	592	587
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(14)	(19)
Gross Unrealized Losses	(14)	(19)
U.S. agency mortgage-backed
Available-for-Sale, Fair Value
Fair Value, 12 Months or Longer	66,056	75,090
Fair Value	66,056	75,090
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(6,550)	(6,165)
Gross Unrealized Losses	$ (6,550)	$ (6,165)

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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), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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