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Condensed Consolidated Statements of Changes in Shareholders' Equity [Unaudited] - USD ($) | Preferred Stock [Member] | Common Stock [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Total
--- | --- | --- | --- | --- | ---
Balances, beginning at Dec. 31, 2013 | $ 0 | $ 162,999,000 | $ (4,101,000) | $ (5,573,000) | $ 153,325,000
Balances, ending at Jun. 30, 2014 | 0 | 318,452,000 | 673,000 | (2,987,000) | 316,138,000
Stock option exercises |  | 75,000 |  |  | 75,000
Stock grants to directors for retainer fees |  | 155,000 |  |  | 155,000
Stock-based compensation expense |  | 351,000 |  |  | 351,000
Cash dividends |  | (20,102,000) | (315,000) |  | (20,417,000)
Common stock issued in connection with Firstbank merger (8,087,272 shares) |  | 173,310,000 |  |  | 173,310,000
Stock options issued to replace existing Firstbank options at merger date |  | 1,664,000 |  |  | 1,664,000
Net income |  |  | 5,089,000 |  | 5,089,000
Change in net unrealized gain on securities available for sale, net of tax effect |  |  |  | 2,667,000 | 2,667,000
Change in fair value of interest rate swap, net of tax effect |  |  |  | (81,000) | (81,000)
Balances, beginning at Dec. 31, 2014 | 0 | 317,904,000 | 10,218,000 | 16,000 | 328,138,000
Balances, ending at Jun. 30, 2015 | $ 0 | 310,136,000 | 18,766,000 | 69,000 | 328,971,000
Employee stock purchase plan (1,110 shares) |  | 23,000 |  |  | 23,000
Dividend reinvestment plan (13,788 shares) |  | 283,000 |  |  | 283,000
Stock option exercises |  | 275,000 |  |  | 275,000
Stock grants to directors for retainer fees |  | 402,000 |  |  | 402,000
Stock-based compensation expense |  | 359,000 |  |  | 359,000
Share repurchase program (463,060 shares) |  | $ (9,110,000) |  |  | (9,110,000)
Cash dividends |  |  | (4,656,000) |  | (4,656,000)
Net income |  |  | $ 13,204,000 |  | 13,204,000
Change in net unrealized gain on securities available for sale, net of tax effect |  |  |  | 135,000 | 135,000
Change in fair value of interest rate swap, net of tax effect |  |  |  | $ (82,000) | $ (82,000)

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