Loans - Schedule of Risk Categories of Loans by Class of Loans (Details) - Commercial and Consumer Banking $ in Thousands	Mar. 31, 2024 USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]
2024	$ 18,589
2023	24,617
2022	38,246
2021	7,245
2020	4,583
Prior	39,022
Total Term Loans	132,302
Revolving Loans	946
Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2024	18,589
2023	24,522
2022	38,246
2021	7,245
2020	4,524
Prior	30,770
Total Term Loans	123,896
Revolving Loans	183
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	95
2022	0
2021	0
2020	59
Prior	5,102
Total Term Loans	5,256
Revolving Loans	530
Residential real estate and other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	3,150
Total Term Loans	3,150
Revolving Loans	233
Pass \| Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2024	18,589
2023	23,293
2022	29,593
2021	5,606
2020	4,524
Prior	25,781
Total Term Loans	107,386
Revolving Loans	183
Pass \| Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	51
2022	0
2021	0
2020	59
Prior	4,268
Total Term Loans	4,378
Revolving Loans	530
Pass \| Residential real estate and other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	3,111
Total Term Loans	3,111
Revolving Loans	233
Watch \| Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	1,229
2022	8,653
2021	1,639
2020	0
Prior	2,939
Total Term Loans	14,460
Revolving Loans	0
Watch \| Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	44
2022	0
2021	0
2020	0
Prior	17
Total Term Loans	61
Revolving Loans	0
Watch \| Residential real estate and other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	39
Total Term Loans	39
Revolving Loans	0
Special mention \| Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	523
Total Term Loans	523
Revolving Loans	0
Substandard \| Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	1,527
Total Term Loans	1,527
Revolving Loans	0
Substandard \| Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	817
Total Term Loans	817
Revolving Loans	$ 0

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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