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Loans and Allowance for Credit Losses Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Receivables [Abstract]
ACL - loans	$ 292,739		$ 292,739		$ 269,366
Reserve for OBS credit exposures(1)	16,110		16,110		$ 16,328
Prudential
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase	$ 0	$ 1,135	$ 0	$ 1,135

X

- Definition

Reserves associated with probable credit losses related to commitments to lend amounts to borrowers as of the balance sheet date.

+ References

No definition available.

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- Definition

Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration.

+ References

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-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (c)
-Publisher FASB
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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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.

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