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Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)
$ in Thousands
Cash Dividend [Member]
Common Stock Including Additional Paid in Capital [Member]
Cash Dividend [Member]
Retained Earnings [Member]
Cash Dividend [Member]
AOCI Attributable to Parent [Member]
Cash Dividend [Member]
Common Stock Including Additional Paid in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Balance (in shares) at Dec. 31, 2019         7,245,088      
Balance at Dec. 31, 2019         $ 162,610 $ 28,051 $ 1,478 $ 192,139
Net income         7,684 7,684
Other comprehensive income (loss)         5,448 5,448
Shares issued (in shares)         9,122      
Shares issued         $ 161 161
Effect of employee stock purchases         $ 7 7
Stock options exercised and issued (in shares) [1]         7,030      
Stock options exercised and issued [1]         $ 9 9
Stock-based compensation expense         $ 75 75
Restricted stock units issued (in shares)         365      
Restricted stock units issued         0
Cash dividends declared $ (2,900) $ (2,900)        
Balance (in shares) at Jun. 30, 2020         7,261,605      
Balance at Jun. 30, 2020         $ 162,862 32,835 6,926 202,623
Balance (in shares) at Mar. 31, 2020         7,249,533      
Balance at Mar. 31, 2020         $ 162,745 29,856 3,201 195,802
Net income         4,430 4,430
Other comprehensive income (loss)         3,725 3,725
Shares issued (in shares)         5,466      
Shares issued         $ 55 55
Effect of employee stock purchases         $ 3 3
Stock options exercised and issued (in shares) [1]         6,241      
Stock options exercised and issued [1]         $ 9 9
Stock-based compensation expense         $ 50 50
Restricted stock units issued (in shares)         365      
Restricted stock units issued         0
Cash dividends declared (1,451) (1,451)        
Balance (in shares) at Jun. 30, 2020         7,261,605      
Balance at Jun. 30, 2020         $ 162,862 32,835 6,926 $ 202,623
Balance (in shares) at Dec. 31, 2020         7,796,352     7,796,352
Balance at Dec. 31, 2020         $ 178,750 37,490 11,028 $ 227,268
Net income         11,281 11,281
Other comprehensive income (loss)         (4,182) (4,182)
Shares issued (in shares)         11,886      
Shares issued         $ 281 281
Effect of employee stock purchases         13 13
Stock-based compensation expense         $ 176 176
Cash dividends declared (3,419) (3,419)        
Effect of employee stock purchases (in shares)              
Shares repurchased (in shares)         (115,701)      
Shares repurchased         $ (2,897) $ (2,897)
Balance (in shares) at Jun. 30, 2021         7,692,537     7,692,537
Balance at Jun. 30, 2021         $ 176,323 45,352 6,846 $ 228,521
Balance (in shares) at Mar. 31, 2021         7,802,285      
Balance at Mar. 31, 2021         $ 178,993 42,012 (2,366) 218,639
Net income         5,043 5,043
Other comprehensive income (loss)         9,212 9,212
Shares issued (in shares)         5,953      
Shares issued         $ 106 106
Effect of employee stock purchases         9 9
Stock-based compensation expense         $ 112 112
Cash dividends declared $ (1,703) $ (1,703)        
Effect of employee stock purchases (in shares)              
Shares repurchased (in shares)         (115,701)      
Shares repurchased         $ (2,897) $ (2,897)
Balance (in shares) at Jun. 30, 2021         7,692,537     7,692,537
Balance at Jun. 30, 2021         $ 176,323 $ 45,352 $ 6,846 $ 228,521
[1] The amount shown represents the number of shares issued upon exercise of options, net of shares withheld for payment of certain taxes.