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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Total | Parent [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Treasury Stock [Member] | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Sep. 30, 2017 | $ 434,496 | $ 434,496 | $ 288 | $ 258,144 | $ 167,164 | $ 9,166 | $ (266) | $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Cash dividends declared on common stock | (1,256) | (1,256) |  |  | (1,256) |  |  |
Issuance of common shares due to ESOP | 1,606 | 1,606 | 1 | 1,605 |  |  |  |
Issuance of common shares due to exercise of stock options | 1 | 1 | 1 |  |  |  |  |
Shares repurchased for tax withholdings on stock compensation | (1,671) | (1,671) |  | (314) |  |  | (1,357) |
Stock compensation | 3,243 | 3,243 |  | 3,243 |  |  |  |
Total other comprehensive income | (3,384) | (3,384) |  |  |  | (3,384) |  |
Net income | 4,670 | 4,670 |  |  | 4,670 |  |  |
Ending Balance at Dec. 31, 2017 | 437,705 | 437,705 | 290 | 262,678 | 170,578 | 5,782 | (1,623) | 0
Retained earnings | 213,048 |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | Accounting Standards Update 2016-01 [Member] |  |  |  |  | 475 | (475) |  |
Beginning Balance at Sep. 30, 2018 | 747,726 | 744,152 | 393 | 565,811 | 213,048 | (33,111) | (1,989) | 3,574
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Cash dividends declared on common stock | (1,970) | (1,970) |  |  | (1,970) |  |  |
Issuance of common shares due to exercise of stock options | 54 | 54 |  | 54 |  |  |  |
Issuance of common shares due to restricted stock | 2 | 2 | 2 |  |  |  |  |
Issuance of common shares due to ESOP | 2,010 | 2,010 |  | 2,010 |  |  |  |
Shares repurchased for tax withholdings on stock compensation | (2,367) | (2,367) | (1) | 1 |  |  | (2,367) | 0
Stock compensation | 4,280 | 4,280 |  | 4,280 |  |  |  |
Total other comprehensive income | 4,400 | 4,400 |  |  |  | 4,400 |  |
Net income | 16,320 | 15,398 |  |  | 15,398 |  |  | 922
Net investment by (distribution to) noncontrolling interests | (1,229) |  |  |  |  |  |  | (1,229)
Ending Balance at Dec. 31, 2018 | 770,728 | $ 767,461 | $ 394 | $ 572,156 | $ 228,453 | $ (29,186) | $ (4,356) | $ 3,267
Retained earnings | $ 228,453 |  |  |  |  |  |  |

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