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Loans and Allowance for Credit Losses on Loans - Modified loans (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) loan
Loan portfolio past due loans
Number of loans modified for borrowers | loan	0
Total Past Due
Loan portfolio past due loans
Modified loans	$ 3,553
Greater Than 90 Days
Loan portfolio past due loans
Modified loans	3,553
Payment Delay
Loan portfolio past due loans
Modified loans	$ 3,553
Commercial and commercial real estate
Loan portfolio past due loans
Weighted average term increase from modification	12 months
Commercial and commercial real estate | Total Past Due
Loan portfolio past due loans
Modified loans	$ 3,553
Commercial and commercial real estate | Greater Than 90 Days
Loan portfolio past due loans
Modified loans	3,553
Commercial and commercial real estate | Payment Delay
Loan portfolio past due loans
Modified loans	$ 3,553

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+ References

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- Definition

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+ References

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-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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+ References

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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