Investment Securities - Securities in a Gross Unrealized Loss Position - Held-to-maturity Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Held-to-maturity, Fair Value
Fair Value, Less than 12 Months	$ 825	$ 94,506
Fair Value, 12 Months or Longer	80,336	8,751
Fair Value	81,161	103,257
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months	(159)	(2,035)
Gross Unrealized Losses, 12 Months or Longer	(18,095)	(216)
Gross Unrealized Losses	(18,254)	(2,251)
U.S Treasuries
Held-to-maturity, Fair Value
Fair Value, Less than 12 Months		5,851
Fair Value, 12 Months or Longer	5,160
Fair Value	5,160	5,851
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months		(150)
Gross Unrealized Losses, 12 Months or Longer	(840)
Gross Unrealized Losses	(840)	(150)
U.S. government and federal agencies
Held-to-maturity, Fair Value
Fair Value, Less than 12 Months		31,617
Fair Value, 12 Months or Longer	29,416	3,376
Fair Value	29,416	34,993
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months		(645)
Gross Unrealized Losses, 12 Months or Longer	(6,135)	(81)
Gross Unrealized Losses	(6,135)	(726)
Collateralized mortgage obligations
Held-to-maturity, Fair Value
Fair Value, Less than 12 Months		25,072
Fair Value, 12 Months or Longer	17,048
Fair Value	17,048	25,072
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months		(534)
Gross Unrealized Losses, 12 Months or Longer	(4,227)
Gross Unrealized Losses	(4,227)	(534)
Taxable municipal
Held-to-maturity, Fair Value
Fair Value, Less than 12 Months		3,971
Fair Value, 12 Months or Longer	4,709	1,923
Fair Value	4,709	5,894
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months		(133)
Gross Unrealized Losses, 12 Months or Longer	(1,364)	(61)
Gross Unrealized Losses	(1,364)	(194)
Mortgage-backed
Held-to-maturity, Fair Value
Fair Value, Less than 12 Months	825	27,995
Fair Value, 12 Months or Longer	24,003	3,452
Fair Value	24,828	31,447
Gross Unrealized Losses
Gross Unrealized Losses, Less than 12 Months	(159)	(573)
Gross Unrealized Losses, 12 Months or Longer	(5,529)	(74)
Gross Unrealized Losses	$ (5,688)	$ (647)

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)(2)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

+ References

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValueAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)(2)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563

Reference 2: 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

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CollateralizedMortgageObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_TaxableMunicipalNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: