Summary of Significant Accounting Policies (Details) - USD ($)			1 Months Ended	12 Months Ended
	Jan. 01, 2023	Apr. 01, 2021	Apr. 30, 2021	Dec. 31, 2022	Dec. 31, 2021
Organization and Significant Accounting Policies [Line Items]
Shares of common stock authorized				10,000,000	10,000,000
Shares of common stock, par value per share				$ 2.50	$ 2.50
Other real estate owned, net				$ 0	$ 611,000
Preferred stock authorized				2,000,000	2,000,000
Preferred stock, par value per share				$ 2.50	$ 2.50
Preferred stock, shares outstanding				0	0
Unrecognized tax benefits, interest or penalties recognized				$ 0	$ 0
Adjustment to retained earnings				63,482,000	$ 46,436,000
Subsequent Event [Member]
Organization and Significant Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted [true false]	true
Change in accounting principle, accounting standards update, adoption date	Jan. 01, 2023
Accounting standards update [extensible enumeration]	ASU 2016-13 [Member]
ASU 2016-13 [Member]
Organization and Significant Accounting Policies [Line Items]
Adjustment to retained earnings				$ 2,000,000
ASU 2016-13 [Member] | Subsequent Event [Member]
Organization and Significant Accounting Policies [Line Items]
Adjustment to retained earnings	$ 2,600,000
Minimum [Member]
Organization and Significant Accounting Policies [Line Items]
Estimated useful lives of assets				3 years
Estimated useful lives of intangible assets				3 years
Maximum [Member]
Organization and Significant Accounting Policies [Line Items]
Estimated useful lives of assets				40 years
Estimated useful lives of intangible assets				10 years
Fauquier Bankshares, Inc [Member]
Organization and Significant Accounting Policies [Line Items]
Acquisition date		Apr. 01, 2021
Business acquisition, Total consideration paid			$ 78,000,000.0
Special Properties Acquisition - VA, LLC [Member]
Organization and Significant Accounting Policies [Line Items]
Other real estate owned, net				$ 0