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Loans and Allowance for Credit Losses on Loans - TDR (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($) loan | Dec. 31, 2021 USD ($) loan
Troubled debt restructurings - modified during the period |  |
Number of TDR loan modifications | loan | 4 | 1
Loan modification activity | $ 478,000 | $ 2,300,000
Other information |  |
Commitments to lend to borrowers whose loans were classified as impaired | 0 | 0
HELOC | Others [Member] |  |
TDR's defaulted |  |
Pre-modification outstanding recorded investment during the period | $ 0 | $ 0

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