Common Stock (Details)				12 Months Ended
	Dec. 01, 2021 shares	Nov. 30, 2021 shares	May 04, 2021 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) Planparticipant $ / shares shares	Dec. 31, 2020 USD ($) Planparticipant $ / shares shares	Dec. 31, 2019 shares	May 06, 2014 shares
Employee [Member]
Class of Stock [Line Items]
Restricted shares, vesting period					4 years
Directors [Member]
Class of Stock [Line Items]
Restricted shares, vesting period					12 months
Dividend Reinvestment Plan [Member]
Class of Stock [Line Items]
Shares authorized per plan				330,750
2014 Restricted Stock Plan [Member]
Class of Stock [Line Items]
Shares authorized per plan							100,000
Aggregate shares granted				200,000
Shares granted, net				118,069	85,914
Shares forfeited and available for reissuance				4,873	2,446
Shares granted				32,155	28,259
Shares forfeited				2,427	100	0
Number of employment terminations | Planparticipant				2	1
Unrecognized compensation cost related to all non-vested share-based compensation awards | $				$ 1,238,000	$ 726,000
Weighted average recognition period				2 years 2 months 12 days	2 years 7 months 6 days
2014 Restricted Stock Plan [Member] | Employee [Member]
Class of Stock [Line Items]
Shares granted				20,639	19,759
2014 Restricted Stock Plan [Member] | Directors [Member]
Class of Stock [Line Items]
Shares granted				11,516	8,500
Underwritten Public Offering [Member]
Class of Stock [Line Items]
Number of shares issued			2,990,000
Common stock, price per share | $ / shares			$ 25.00
Proceeds from follow-on common stock public offering | $			$ 74,750,000
Net proceeds of the offering | $			4,512,000
Proceeds from follow-on common stock public offering | $			$ 70,238,000	$ 70,238,000
Riverview [Member]
Class of Stock [Line Items]
Ratio of conversion of acquiree's shares to entity's shares		48.33%
Stock issued during period, shares	4,519,776	4,519,776		4,519,776
Treasury Stock Repurchase Program [Member]
Class of Stock [Line Items]
Stock repurchase program, authorized amount | $				$ 15,000,000
Percentage of issued shares based on closing stock price				2.90%
Stock repurchased during period, shares				98,452	92,652
Stock repurchased at average price per share | $ / shares				$ 19.53	$ 19.37