Investment Securities - Allowance for Credit Losses on Held-to-Maturity (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest	$ 1,500	$ 0
Debt Securities, Held-to-maturity, Credit Loss Expense (Reversal)	1,500
Debt Securities, Held-to-maturity, Allowance for Credit Loss, Writeoff	0
Debt Securities, Held-to-maturity, Allowance for Credit Loss, Recovery	0
US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest	140	0
Debt Securities, Held-to-maturity, Credit Loss Expense (Reversal)	140
Debt Securities, Held-to-maturity, Allowance for Credit Loss, Writeoff	0
Debt Securities, Held-to-maturity, Allowance for Credit Loss, Recovery	0
Corporate Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest	1,360	$ 0
Debt Securities, Held-to-maturity, Credit Loss Expense (Reversal)	1,360
Debt Securities, Held-to-maturity, Allowance for Credit Loss, Writeoff	0
Debt Securities, Held-to-maturity, Allowance for Credit Loss, Recovery	$ 0

Amount, excluding accrued interest, of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase in allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity), from recovery.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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- Definition

Amount of writeoff of investment in debt security, measured at amortized cost (held-to-maturity), charged against allowance for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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- Definition

Amount of expense (reversal of expense) for expected credit loss on investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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