Trust preferred securities (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 20, 2007	Dec. 31, 2023	Dec. 31, 2022	Feb. 24, 2005
Debt Instrument [Line Items]
Trust preferred capital notes		$ 8,764	$ 8,764
Percentage of Tier one risk based capital required for capital adequacy (in hundredths)		25.00%
Southern Community Financial Capital Trust I [Member]
Debt Instrument [Line Items]
Debt Instrument, Issuance Date			Feb. 24, 2005
Trust preferred capital notes				$ 5,200
Interest rate (in hundredths)		7.78%	6.89%
Principal assets of the trust		$ 5,200
Southern Community Financial Capital Trust I [Member] | LIBOR
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.15%
Village Financial Statutory Trust II [Member]
Debt Instrument [Line Items]
Debt Instrument, Issuance Date		Sep. 20, 2007
Trust preferred capital notes	$ 3,600
Interest rate (in hundredths)		7.03%	6.14%
Principal assets of the trust		$ 3,600
Village Financial Statutory Trust II [Member] | LIBOR
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.40%