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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) | Common Stock | Additional Paid-in Capital | Accumulated (Deficit) | Accumulated Other Comprehensive Income (loss) | Treasury Stock | Total
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2017 | $ 49,000 | $ 1,084,889,000 | $ (132,122,000) | $ (2,810,000) | $ (15,003,000) | $ 935,003,000
Beginning Balance (in shares) at Dec. 31, 2017 | 48,684,943 |  |  |  |  |
Increase (decrease) in shareholders' equity |  |  |  |  |  |
Net income |  |  | 46,779,000 |  |  | 46,779,000
Other comprehensive income (loss) |  |  |  | (7,450,000) |  | (7,450,000)
Issuance of treasury stock for employee stock purchase plan |  | (328,000) |  |  | 666,000 | 338,000
Issuance of treasury stock for employee stock purchase plan (in shares) | 11,748 |  |  |  |  |
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax |  | (1,875,000) |  |  | 1,803,000 | (72,000)
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax (in shares) | 31,832 |  |  |  |  |
Tax Cuts and Jobs Act of 2017 reclassification |  |  | 605,000 | (605,000) |  |
Net issuance of treasury stock for stock options exercised, net of shares redeemed and related tax |  | (2,367,000) |  |  | 2,713,000 | 346,000
Net issuance of treasury stock for stock options exercised, net of shares redeemed and related tax (in shares) | 47,881 |  |  |  |  |
Cash dividends common stock |  |  | (19,482,000) |  |  | (19,482,000)
Stock dividend equivalents restricted stock units |  | 282,000 | (284,000) |  |  | (2,000)
Stock-based compensation |  | 1,722,000 |  |  |  | 1,722,000
Ending Balance at Jun. 30, 2018 | $ 49,000 | 1,082,323,000 | (104,504,000) | (10,865,000) | (9,821,000) | 957,182,000
Ending Balance (in shares) at Jun. 30, 2018 | 48,776,404 |  |  |  |  |
Beginning Balance at Mar. 31, 2018 | $ 49,000 | 1,084,411,000 | (119,467,000) | (9,674,000) | (13,173,000) | 942,146,000
Beginning Balance (in shares) at Mar. 31, 2018 | 48,717,239 |  |  |  |  |
Increase (decrease) in shareholders' equity |  |  |  |  |  |
Net income |  |  | 24,862,000 |  |  | 24,862,000
Other comprehensive income (loss) |  |  |  | (1,191,000) |  | (1,191,000)
Issuance of treasury stock for employee stock purchase plan |  | (80,000) |  |  | 172,000 | 92,000
Issuance of treasury stock for employee stock purchase plan (in shares) | 3,030 |  |  |  |  |
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax |  | (1,875,000) |  |  | 1,803,000 | (72,000)
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax (in shares) | 31,832 |  |  |  |  |
Net issuance of treasury stock for stock options exercised, net of shares redeemed and related tax |  | (1,161,000) |  |  | 1,377,000 | 216,000
Net issuance of treasury stock for stock options exercised, net of shares redeemed and related tax (in shares) | 24,303 |  |  |  |  |
Cash dividends common stock |  |  | (9,743,000) |  |  | (9,743,000)
Stock dividend equivalents restricted stock units |  | 154,000 | (156,000) |  |  | (2,000)
Stock-based compensation |  | 874,000 |  |  |  | 874,000
Ending Balance at Jun. 30, 2018 | $ 49,000 | 1,082,323,000 | (104,504,000) | (10,865,000) | (9,821,000) | 957,182,000
Ending Balance (in shares) at Jun. 30, 2018 | 48,776,404 |  |  |  |  |
Beginning Balance at Dec. 31, 2018 | $ 49,000 | 1,080,084,000 | (72,167,000) | (6,812,000) | (6,190,000) | 994,964,000
Beginning Balance (in shares) at Dec. 31, 2018 | 48,874,836 |  |  |  |  |
Increase (decrease) in shareholders' equity |  |  |  |  |  |
Net income |  |  | 49,554,000 |  |  | 49,554,000
Other comprehensive income (loss) |  |  |  | 21,439,000 |  | 21,439,000
Repurchase of stock |  |  |  |  | (8,433,000) | (8,433,000)
Repurchase of stock (in shares) | (333,334) |  |  |  |  |
Stock issued in acquisition of Banc Ed, net of stock issuance costs | $ 7,000 | 166,274,000 |  |  |  | 166,281,000
Stock issued in acquisition of Banc Ed, net of stock issuance costs (in shares) | 6,725,152 |  |  |  |  |
Issuance of treasury stock for employee stock purchase plan |  | 79,000 |  |  | 306,000 | 385,000
Issuance of treasury stock for employee stock purchase plan (in shares) | 16,150 |  |  |  |  |
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax |  | (2,535,000) |  |  | 345,000 | (2,190,000)
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax (in shares) | 91,032 |  |  |  |  |
Net issuance of treasury stock for stock options exercised, net of shares redeemed and related tax |  | (91,000) |  |  | 1,615,000 | 1,524,000
Net issuance of treasury stock for stock options exercised, net of shares redeemed and related tax (in shares) | 12,800 |  |  |  |  |
Cash dividends common stock |  |  | (21,947,000) |  |  | (21,947,000)
Stock dividend equivalents restricted stock units |  | 318,000 | (318,000) |  |  |
Stock-based compensation |  | 2,031,000 |  |  |  | 2,031,000
Ending Balance at Jun. 30, 2019 | $ 56,000 | 1,246,160,000 | (44,878,000) | 14,627,000 | (12,357,000) | 1,203,608,000
Ending Balance (in shares) at Jun. 30, 2019 | 55,386,636 |  |  |  |  |
Beginning Balance at Mar. 31, 2019 | $ 56,000 | 1,247,340,000 | (57,125,000) | 1,595,000 | (5,725,000) | 1,186,141,000
Beginning Balance (in shares) at Mar. 31, 2019 | 55,624,627 |  |  |  |  |
Increase (decrease) in shareholders' equity |  |  |  |  |  |
Net income |  |  | 24,085,000 |  |  | 24,085,000
Other comprehensive income (loss) |  |  |  | 13,032,000 |  | 13,032,000
Repurchase of stock |  |  |  |  | (8,433,000) | (8,433,000)
Repurchase of stock (in shares) | (333,334) |  |  |  |  |
Issuance of treasury stock for employee stock purchase plan |  | 29,000 |  |  | 84,000 | 113,000
Issuance of treasury stock for employee stock purchase plan (in shares) | 4,419 |  |  |  |  |
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax |  | (2,364,000) |  |  | 174,000 | (2,190,000)
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax (in shares) | 81,962 |  |  |  |  |
Net issuance of treasury stock for stock options exercised, net of shares redeemed and related tax |  | (19,000) |  |  | 1,543,000 | 1,524,000
Net issuance of treasury stock for stock options exercised, net of shares redeemed and related tax (in shares) | 8,962 |  |  |  |  |
Cash dividends common stock |  |  | (11,681,000) |  |  | (11,681,000)
Stock dividend equivalents restricted stock units |  | 157,000 | (157,000) |  |  |
Stock-based compensation |  | 1,017,000 |  |  |  | 1,017,000
Ending Balance at Jun. 30, 2019 | $ 56,000 | $ 1,246,160,000 | $ (44,878,000) | $ 14,627,000 | $ (12,357,000) | $ 1,203,608,000
Ending Balance (in shares) at Jun. 30, 2019 | 55,386,636 |  |  |  |  |

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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration