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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Preferred stock | Common stock | Additional paid-in capital | Unearned compensation | Retained earnings | Accumulated other comprehensive income/(loss) | Treasury stock
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2017 |  | 522 | 45,290 |  |  |  |  |
Balance at beginning of period at Dec. 31, 2017 | $ 1,496,264 | $ 40,633 | $ 460 | $ 1,242,487 | $ (6,531) | $ 239,179 | $ 4,161 | $ (24,125)
Comprehensive income: |  |  |  |  |  |  |  |
Net income | 59,279 |  |  |  |  | 59,279 |  |
Other comprehensive income (loss) | (20,070) |  |  |  |  |  | (20,070) |
Total comprehensive income | 39,209 |  |  |  |  | 59,279 | (20,070) |
Cash dividends declared on common shares | (19,977) |  |  |  |  | (19,977) |  |
Cash dividends declared on preferred shares | (459) |  |  |  |  | (459) |  |
Forfeited shares (in shares) |  |  | (15) |  |  |  |  |
Forfeited shares |  |  |  | 88 | 478 |  |  | (566)
Exercise of stock options (in shares) |  |  | 8 |  |  |  |  |
Exercise of stock options | 101 |  |  |  |  | (123) |  | 224
Restricted stock grants (in shares) |  |  | 181 |  |  |  |  |
Restricted stock grants |  |  |  | 2,100 | (6,841) |  |  | 4,741
Stock-based compensation | 2,798 |  |  |  | 2,798 |  |  |
Other, net (in shares) |  |  | (44) |  |  |  |  |
Other, net | (1,695) |  |  | 16 |  |  |  | (1,711)
Balance (in shares) at Jun. 30, 2018 |  | 522 | 45,420 |  |  |  |  |
Balance at end of period at Jun. 30, 2018 | 1,516,241 | $ 40,633 | $ 460 | 1,244,691 | (10,096) | 283,256 | (21,266) | (21,437)
Balance (in shares) at Mar. 31, 2018 |  | 522 | 45,360 |  |  |  |  |
Balance at beginning of period at Mar. 31, 2018 | 1,497,657 | $ 40,633 | $ 460 | 1,243,590 | (8,476) | 259,499 | (15,427) | (22,622)
Comprehensive income: |  |  |  |  |  |  |  |
Net income | 34,031 |  |  |  |  | 34,031 |  |
Other comprehensive income (loss) | (5,839) |  |  |  |  |  | (5,839) |
Total comprehensive income | 28,192 |  |  |  |  | 34,031 | (5,839) |
Cash dividends declared on common shares | (9,995) |  |  |  |  | (9,995) |  |
Cash dividends declared on preferred shares | (229) |  |  |  |  | (229) |  |
Forfeited shares (in shares) |  |  | (11) |  |  |  |  |
Forfeited shares |  |  |  | 57 | 353 |  |  | (410)
Exercise of stock options (in shares) |  |  | 3 |  |  |  |  |
Exercise of stock options | 25 |  |  |  |  | (50) |  | 75
Restricted stock grants (in shares) |  |  | 89 |  |  |  |  |
Restricted stock grants |  |  |  | 1,044 | (3,389) |  |  | 2,345
Stock-based compensation | 1,416 |  |  |  | 1,416 |  |  |
Other, net (in shares) |  |  | (21) |  |  |  |  |
Other, net | (825) |  |  |  |  |  |  | (825)
Balance (in shares) at Jun. 30, 2018 |  | 522 | 45,420 |  |  |  |  |
Balance at end of period at Jun. 30, 2018 | 1,516,241 | $ 40,633 | $ 460 | 1,244,691 | (10,096) | 283,256 | (21,266) | (21,437)
Balance (in shares) at Dec. 31, 2018 |  | 522 | 45,417 |  |  |  |  |
Balance at beginning of period at Dec. 31, 2018 | 1,552,918 | $ 40,633 | $ 460 | 1,245,013 | (6,594) | 308,839 | (13,470) | (21,963)
Comprehensive income: |  |  |  |  |  |  |  |
Net income | 49,083 |  |  |  |  | 49,083 |  |
Other comprehensive income (loss) | 24,771 |  |  |  |  |  | 24,771 |
Total comprehensive income | 73,854 |  |  |  |  | 49,083 | 24,771 |
Acquisition of SI Financial Group, Inc. (in shares) |  |  | 5,691 |  |  |  |  |
Acquisition of SI Financial Group, Inc. | 176,711 |  | $ 57 | 176,654 |  |  |  |
Cash dividends declared on common shares | (20,944) |  |  |  |  | (20,944) |  |
Cash dividends declared on preferred shares | (480) |  |  |  |  | (480) |  |
Treasury stock repurchased (in shares) |  |  | (110) |  |  |  |  |
Treasury stock repurchased | (3,326) |  |  |  |  |  |  | (3,326)
Forfeited shares (in shares) |  |  | (51) |  |  |  |  |
Forfeited shares |  |  |  | (209) | 1,699 |  |  | (1,490)
Exercise of stock options (in shares) |  |  | 1 |  |  |  |  |
Exercise of stock options | 14 |  |  |  |  | $ (15) |  | 29
Restricted stock grants (in shares) |  |  | 131 |  |  |  |  |
Restricted stock grants |  |  |  | 3 | (3,664) |  |  | 3,661
Stock-based compensation | 2,004 |  |  |  | 2,004 |  |  |
Other, net (in shares) |  |  | (34) |  |  | 59 |  |
Other, net | (914) |  |  |  |  |  |  | (973)
Balance (in shares) at Jun. 30, 2019 |  | 522 | 51,045 |  |  |  |  |
Balance at end of period at Jun. 30, 2019 | 1,779,837 | $ 40,633 | $ 517 | 1,421,461 | (6,555) | $ 336,542 | 11,301 | (24,062)
Balance (in shares) at Mar. 31, 2019 |  | 522 | 45,522 |  |  |  |  |
Balance at beginning of period at Mar. 31, 2019 | 1,577,005 | $ 40,633 | $ 460 | 1,244,975 | (8,825) | 321,759 | (2,906) | (19,091)
Comprehensive income: |  |  |  |  |  |  |  |
Net income | 25,448 |  |  |  |  | 25,448 |  |
Other comprehensive income (loss) | 14,207 |  |  |  |  |  | 14,207 |
Total comprehensive income | 39,655 |  |  |  |  | 25,448 | 14,207 |
Acquisition of SI Financial Group, Inc. (in shares) |  |  | 5,691 |  |  |  |  |
Acquisition of SI Financial Group, Inc. | 176,711 |  | $ 57 | 176,654 |  |  |  |
Cash dividends declared on common shares | (10,469) |  |  |  |  | (10,469) |  |
Cash dividends declared on preferred shares | (240) |  |  |  |  | (240) |  |
Treasury stock repurchased (in shares) |  |  | (110) |  |  |  |  |
Treasury stock repurchased | (3,326) |  |  |  |  |  |  | (3,326)
Forfeited shares (in shares) |  |  | (38) |  |  |  |  |
Forfeited shares |  |  |  | (168) | 1,255 |  |  | (1,087)
Exercise of stock options (in shares) |  |  | 1 |  |  |  |  |
Exercise of stock options | 14 |  |  |  |  | (15) |  | 29
Stock-based compensation | 1,015 |  |  |  | 1,015 |  |  |
Other, net (in shares) |  |  | (21) |  |  |  |  |
Other, net | (528) |  |  |  |  | 59 |  | (587)
Balance (in shares) at Jun. 30, 2019 |  | 522 | 51,045 |  |  |  |  |
Balance at end of period at Jun. 30, 2019 | $ 1,779,837 | $ 40,633 | $ 517 | $ 1,421,461 | $ (6,555) | $ 336,542 | $ 11,301 | $ (24,062)

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