Common Stock (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	May 14, 2019	May 13, 2019	May 06, 2014
Class of Stock [Line Items]
Common stock, shares authorized	20,000,000		20,000,000		20,000,000	20,000,000	10,000,000
2014 Restricted Stock Plan [Member]
Class of Stock [Line Items]
Shares authorized per plan								100,000
Shares granted			57,655
Allocated share-based compensation expense	$ 96,000	$ 80,000	$ 192,000	$ 160,000
Shares forfeited and available for reissuance			2,446
Restricted shares vested during period			27,271
Granted shares unvested	27,938		27,938
Shares forfeited			100	0
Treasury Stock Repurchase Program [Member]
Class of Stock [Line Items]
Stock repurchase program, authorized amount	$ 15,000,000		$ 15,000,000
Percentage of issued shares based on closing stock price	9.60%		9.60%
Stock repurchase program expiration date			Mar. 19, 2021
Stock repurchased during period, shares			80,523
Stock repurchased at average price per share	$ 19.37		$ 19.37