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Investment Securities - Credit Valuation Allowance for Available For Sale Debt Securities (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Debt securities, available-for-sale, allowance for credit loss, excluding accrued interest, ending balance	$ 578
Asset-backed securities
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Debt securities, available-for-sale, allowance for credit loss, excluding accrued interest, beginning balance	0
Credit losses on securities for which credit losses were not previously recorded	578
Debt securities, available-for-sale, allowance for credit loss, excluding accrued interest, ending balance	$ 578

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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

X

- Definition

Amount excluding accrued interest, of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of credit loss expense on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) with no credit loss previously recorded.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922900-210455

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: