Investment Securities - Securities in a Gross Unrealized Loss Position - Held-to-maturity Securities (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Held-to-maturity, Fair Value
Fair Value, Less than 12 Months	$ 825
Fair Value, 12 Months or Longer	80,336
Fair Value	81,161
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months	(159)
Gross Unrealized Losses, 12 Months or Longer	(18,095)
Gross Unrealized Losses	(18,254)
U.S Treasuries
Held-to-maturity, Fair Value
Fair Value, 12 Months or Longer	5,160
Fair Value	5,160
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(840)
Gross Unrealized Losses	(840)
U.S. government and federal agencies
Held-to-maturity, Fair Value
Fair Value, 12 Months or Longer	29,416
Fair Value	29,416
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(6,135)
Gross Unrealized Losses	(6,135)
Collateralized mortgage obligations
Held-to-maturity, Fair Value
Fair Value, 12 Months or Longer	17,048
Fair Value	17,048
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(4,227)
Gross Unrealized Losses	(4,227)
Taxable municipal
Held-to-maturity, Fair Value
Fair Value, 12 Months or Longer	4,709
Fair Value	4,709
Gross Unrealized Losses
Gross Unrealized Losses, 12 Months or Longer	(1,364)
Gross Unrealized Losses	(1,364)
Mortgage-backed
Held-to-maturity, Fair Value
Fair Value, Less than 12 Months	825
Fair Value, 12 Months or Longer	24,003
Fair Value	24,828
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months	(159)
Gross Unrealized Losses, 12 Months or Longer	(5,529)
Gross Unrealized Losses	$ (5,688)

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months.

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