Subordinated Debt and Junior Subordinated Debt - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Mar. 31, 2020
Trust Preferred Securities [Line Items]
Subordinated debt outstanding	$ 60,100,000
Description of deferment period for payment of interest on junior subordinated debt under trust	20 consecutive quarterly periods
Minimum assets to continue counting existing trust preferred securities	$ 15,000,000,000
Your Community Bankshares, Inc [Member]
Trust Preferred Securities [Line Items]
Subordinated debt outstanding	$ 25,000,000.0
Your Community Bankshares, Inc [Member] | Subordinated Debt [Member]
Trust Preferred Securities [Line Items]
Debt maturity date	Dec. 15, 2025
Fixed interest rate	6.25%
Debt callable date	Dec. 15, 2020
Variable rate based on the three-month LIBOR plus	4.59%
Debt Instrument, current rate	4.81%
Debt Instrument, Description of Variable Rate Basis	3-month LIBOR
Old Line Bancshares, Inc. [Member]
Trust Preferred Securities [Line Items]
Subordinated debt outstanding	$ 35,100,000
Trust preferred securities and junior subordinated debt redemption price		$ 6,700,000
Old Line Bancshares, Inc. [Member] | Subordinated Debt [Member]
Trust Preferred Securities [Line Items]
Debt maturity date	Aug. 15, 2026
Fixed interest rate	5.625%
Debt callable date	Aug. 15, 2021
Variable rate based on the three-month LIBOR plus	4.502%
Debt Instrument, Description of Variable Rate Basis	3-month LIBOR