Investment Securities - Securities in a Gross Unrealized Loss Position - Available-for-sale Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Available-for-Sale, Fair Value
Fair Value, Less than 12 Months	$ 70,155	$ 11,214
Fair Value, 12 Months or Longer	63,252	94,274
Fair Value	133,407	105,488
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months	(2,572)	(28)
Gross Unrealized Losses, 12 Months or Longer	(10,997)	(9,188)
Gross Unrealized Losses	(13,569)	(9,216)
U.S. Treasuries
Available-for-Sale, Fair Value
Fair Value, Less than 12 Months	1,978
Fair Value, 12 Months or Longer		13,132
Fair Value	1,978	13,132
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months	(22)
Gross Unrealized Losses, 12 Months or Longer		(112)
Gross Unrealized Losses	(22)	(112)
U.S. government and federal agencies
Available-for-Sale, Fair Value
Fair Value, Less than 12 Months	996
Fair Value, 12 Months or Longer	3,739	5,838
Fair Value	4,735	5,838
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months	(1)
Gross Unrealized Losses, 12 Months or Longer	(261)	(158)
Gross Unrealized Losses	(262)	(158)
Corporate bonds
Available-for-Sale, Fair Value
Fair Value, 12 Months or Longer	1,916	2,820
Fair Value	1,916	2,820
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(84)	(180)
Gross Unrealized Losses	(84)	(180)
U.S. agency collateralized mortgage obligations
Available-for-Sale, Fair Value
Fair Value, Less than 12 Months	548
Fair Value, 12 Months or Longer	20,703	24,930
Fair Value	21,251	24,930
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months	(4)
Gross Unrealized Losses, 12 Months or Longer	(6,335)	(5,333)
Gross Unrealized Losses	(6,339)	(5,333)
Tax-exempt municipal
Available-for-Sale, Fair Value
Fair Value, 12 Months or Longer	1,116	1,236
Fair Value	1,116	1,236
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(261)	(142)
Gross Unrealized Losses	(261)	(142)
U.S. agency mortgage-backed
Available-for-Sale, Fair Value
Fair Value, Less than 12 Months	66,633	11,214
Fair Value, 12 Months or Longer	35,778	46,318
Fair Value	102,411	57,532
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months	(2,545)	(28)
Gross Unrealized Losses, 12 Months or Longer	(4,056)	(3,263)
Gross Unrealized Losses	$ (6,601)	$ (3,291)

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