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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 |  |  |  |  |  |  | 11,513 |  | 11,513
Other comprehensive income (loss) |  |  |  |  |  |  |  | 7,791 | 7,791
Shares issued (in shares) |  |  |  |  |  | 14,291 |  |  |
Shares issued |  |  |  |  |  | $ 304 |  |  | 304
Effect of employee stock purchases |  |  |  |  |  | $ 11 |  |  | 11
Stock options exercised and issued (in shares) | [1] |  |  |  |  | 7,261 |  |  |
Stock options exercised and issued | [1] |  |  |  |  | $ 9 |  |  | 9
Stock-based compensation expense |  |  |  |  |  | $ 123 |  |  | 123
Merger with Community Shores Bank Corporation (in shares) |  |  |  |  |  | 524,055 |  |  |
Merger with Community Shores Bank Corporation |  |  |  |  |  | $ 15,494 |  |  | 15,494
Cash dividends declared |  |  | $ (4,459) |  | $ (4,459) |  |  |  |
Restricted stock units issued (in shares) |  |  |  |  |  | 365 |  |  |
Restricted stock units issued |  |  |  |  |  |  |  |  | 0
Balance (in shares) at Sep. 30, 2020 |  |  |  |  |  | 7,791,060 |  |  |
Balance at Sep. 30, 2020 |  |  |  |  |  | $ 178,551 | 35,106 | 9,269 | 222,925
Balance (in shares) at Jun. 30, 2020 |  |  |  |  |  | 7,261,605 |  |  |
Balance at Jun. 30, 2020 |  |  |  |  |  | $ 162,862 | 32,835 | 6,926 | 202,623
Net income |  |  |  |  |  |  | 3,829 |  | 3,829
Other comprehensive income (loss) |  |  |  |  |  |  |  | 2,343 | 2,343
Shares issued (in shares) |  |  |  |  |  | 5,169 |  |  |
Shares issued |  |  |  |  |  | $ 143 |  |  | 143
Effect of employee stock purchases |  |  |  |  |  | $ 4 |  |  | 4
Stock options exercised and issued (in shares) | [1] |  |  |  |  | 231 |  |  |
Stock options exercised and issued | [1] |  |  |  |  |  |  |  | 0
Stock-based compensation expense |  |  |  |  |  | $ 48 |  |  | 48
Merger with Community Shores Bank Corporation (in shares) |  |  |  |  |  | 524,055 |  |  |
Merger with Community Shores Bank Corporation |  |  |  |  |  | $ 15,493 |  |  | 15,493
Cash dividends declared |  |  | (1,558) |  | (1,558) |  |  |  |
Balance (in shares) at Sep. 30, 2020 |  |  |  |  |  | 7,791,060 |  |  |
Balance at Sep. 30, 2020 |  |  |  |  |  | $ 178,551 | 35,106 | 9,269 | $ 222,925
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 |  |  |  |  |  |  | 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
Cash dividends declared |  |  | (5,322) |  | (5,322) |  |  |  |
Effect of employee stock purchases (in shares) |  |  |  |  |  |  |  |  |
Shares repurchased (in shares) |  |  |  |  |  | (222,941) |  |  | (223,000)
Shares repurchased |  |  |  |  |  | $ (5,561) |  |  | $ (5,561)
Balance (in shares) at Sep. 30, 2021 |  |  |  |  |  | 7,591,221 |  |  | 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
Cash dividends declared |  |  | $ (1,903) |  | $ (1,903) |  |  |  |
Effect of employee stock purchases (in shares) |  |  |  |  |  |  |  |  |
Shares repurchased (in shares) |  |  |  |  |  | (107,240) |  |  |
Shares repurchased |  |  |  |  |  | $ (2,664) |  |  | $ (2,664)
Balance (in shares) at Sep. 30, 2021 |  |  |  |  |  | 7,591,221 |  |  | 7,591,221
Balance at Sep. 30, 2021 |  |  |  |  |  | $ 173,888 | $ 49,198 | $ 1,969 | $ 225,055
[1] | The amount shown represents the number of shares issued upon exercise of options, net of shares withheld for payment of certain taxes.

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