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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, 2020         7,796,352      
Balance at Dec. 31, 2020         $ 178,750 $ 37,490 $ 11,028 $ 227,268
Net income         17,029 17,029
Other comprehensive income (loss)         (9,059) (9,059)
Shares issued (in shares)         17,810      
Shares issued         $ 420 420
Effect of employee stock purchases         19 19
Stock-based compensation expense         $ 260 260
Shares repurchased (in shares)         (222,941)      
Shares repurchased         $ (5,561) (5,561)
Cash dividends declared $ 0 $ (5,322) $ (5,322)        
Balance (in shares) at Sep. 30, 2021         7,591,221      
Balance at Sep. 30, 2021         $ 173,888 49,198 1,969 225,055
Balance (in shares) at Jun. 30, 2021         7,692,537      
Balance at Jun. 30, 2021         $ 176,323 45,352 6,846 228,521
Net income         5,749 5,749
Other comprehensive income (loss)         (4,877) (4,877)
Shares issued (in shares)         5,924      
Shares issued         $ 139 139
Effect of employee stock purchases         6 6
Stock-based compensation expense         $ 84 84
Shares repurchased (in shares)         (107,240)      
Shares repurchased         $ (2,664) (2,664)
Cash dividends declared (1,903) (1,903)        
Balance (in shares) at Sep. 30, 2021         7,591,221      
Balance at Sep. 30, 2021         $ 173,888 49,198 1,969 $ 225,055
Balance (in shares) at Dec. 31, 2021         7,510,379     7,510,379
Balance at Dec. 31, 2021         $ 171,913 52,332 (2,576) $ 221,669
Net income         16,956 16,956
Other comprehensive income (loss)         (76,406) (76,406)
Shares issued (in shares)         25,556      
Shares issued         $ 304 304
Effect of employee stock purchases         19 19
Stock-based compensation expense         $ 421 421
Shares repurchased (in shares)         (25,899)      
Shares repurchased         $ (682) $ (682)
Cash dividends declared (5,624) (5,624)        
Balance (in shares) at Sep. 30, 2022         7,510,036     7,510,036
Balance at Sep. 30, 2022         $ 171,975 63,664 (78,982) $ 156,657
Balance (in shares) at Jun. 30, 2022         7,503,072      
Balance at Jun. 30, 2022         $ 171,804 59,728 (65,072) 166,460
Net income         5,813 5,813
Other comprehensive income (loss)         (13,910) (13,910)
Shares issued (in shares)         6,964      
Shares issued         $ 32 32
Effect of employee stock purchases         6 6
Stock-based compensation expense         $ 133 $ 133
Shares repurchased (in shares)               0
Cash dividends declared $ (1,877) $ (1,877)        
Effect of employee stock purchases (in shares)              
Balance (in shares) at Sep. 30, 2022         7,510,036     7,510,036
Balance at Sep. 30, 2022         $ 171,975 $ 63,664 $ (78,982) $ 156,657