Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
Net operating loss carryforwards	$ 2,800,000
Effective income tax rate reconciliation at federal federal tax benefit	9,388,000	$ 14,143,000	$ 7,571,000
Charitable contribution carryforwards	0	43,000
Riverview AMT credits	696,000	771,000
Unrecognized tax benefits that would affect the effective income tax rate if recognized	0
Income tax examination, penalties and interest expense	0	0	0
Income tax examination, penalties and interest accrued	$ 0	0
CARES Act
Income Taxes [Line Items]
Income tax impacts of the components of other comprehensive income					21.00%	34.00%
Effective income tax rate reconciliation at federal federal tax benefit				$ 318,000
Tax credit carryforwards alternative minimum tax refundable percent					100.00%
Scottdale Bank and Trust Company | CARES Act
Income Taxes [Line Items]
Net operating loss carryforwards					$ 1,200,000
First Priority Financial Corporation
Income Taxes [Line Items]
Acquired Section 1231 losses		314,000
Taxable income related to acquisition		1,900,000
First Priority Financial Corporation | CARES Act
Income Taxes [Line Items]
Net operating loss carryforwards			119,000		$ 1,200,000
Riverview Acquisition
Income Taxes [Line Items]
Riverview AMT credits			$ 696,000
Taxable income related to acquisition		$ 2,000,000