Loans - Risk Categories of Loans by Class of Loans (Details) - Commercial and consumer banking $ in Thousands	Dec. 31, 2023 USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	$ 26,379
2022	38,452
2021	7,284
2020	4,613
2019	9,659
Prior	31,903
Total Term Loans	118,290
Revolving Loans	673
Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	24,434
2022	38,452
2021	7,284
2020	4,550
2019	9,547
Prior	23,304
Total Term Loans	107,571
Revolving Loans	186
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2023	100
2022	0
2021	0
2020	63
2019	112
Prior	5,974
Total Term Loans	6,249
Revolving Loans	299
Residential real estate and other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,845
2022	0
2021	0
2020	0
2019	0
Prior	2,625
Total Term Loans	4,470
Revolving Loans	188
Pass | Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	23,200
2022	29,761
2021	5,636
2020	4,550
2019	9,332
Prior	17,316
Total Term Loans	89,795
Revolving Loans	186
Pass | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2023	54
2022	0
2021	0
2020	63
2019	96
Prior	4,941
Total Term Loans	5,154
Revolving Loans	299
Pass | Residential real estate and other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,845
2022	0
2021	0
2020	0
2019	0
Prior	2,585
Total Term Loans	4,430
Revolving Loans	188
Watch | Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,234
2022	8,691
2021	1,648
2020	0
2019	215
Prior	2,749
Total Term Loans	14,537
Revolving Loans	0
Watch | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2023	46
2022	0
2021	0
2020	0
2019	16
Prior	3
Total Term Loans	65
Revolving Loans	0
Watch | Residential real estate and other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	40
Total Term Loans	40
Revolving Loans	0
Special mention | Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	1,703
Total Term Loans	1,703
Revolving Loans	0
Substandard | Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	1,536
Total Term Loans	1,536
Revolving Loans	0
Substandard | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	1,030
Total Term Loans	1,030
Revolving Loans	$ 0