Stock Option Plans (Tables)

12 Months Ended

Dec. 31, 2019

Stock options

Schedule of stock option valuation assumptions

	December 31, 2019
Dividend yield	1.34	%
Expected life	1.91
Expected volatility	4.34	%
Risk-free interest rate	1.60	%

Stock options | Delmar 2004 Stock Option Plan

Stock options

Summary of stock option activity

	Employees					Directors
		Average					Average
	Shares	Price		Amount		Shares	Price		Amount
December 31, 2019	13,895	$	9.05	$	125,750	4,514	$	9.05	$	40,852

Stock options | Liberty 2004 Stock Option Plan

Stock options

Summary of stock option activity

	Employees					Directors
		Average					Average
	Shares	Price		Amount		Shares	Price		Amount
December 31, 2019	2,355	$	4.14	$	9,750	6,354	$	4.14	$	26,306

Stock options | Virginia Partners Stock Option Plan

Stock options

Summary of stock option activity

		December 31, 2019
					Weighted
				Weighted	Average
				Average	Remaining
				Exercise	Contractual		Intrinsic
		Shares		Price	Life		Value
Outstanding at beginning of year		—	$	—
Granted		256,294		6.13	3.81
Exercised		(8,589)		5.83
Forfeited		—		—
Outstanding at end of year		247,705	$	6.14	3.81	$	485,677
Options exercisable at December 31, 2019		247,705	$	6.14
Weighted average fair value of options granted during the year	$	1.37