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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Treasury Stock | Accumulated Deficit | Total
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2018 | $ 1,358 | $ 3,177,982 | $ 5,773 | $ (79,862) | $ (2,263,677) | $ 841,574
Beginning, shares at Dec. 31, 2018 | 135,787,509 |  |  | (6,381,605) |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Treasury stock purchased |  |  |  | $ (857) |  | (857)
Treasury stock purchased, shares |  |  |  | (87,036) |  |
Cash dividends |  |  |  |  | (17,231) | (17,231)
Shares issued in employee stock purchase plan |  | 218 |  |  |  | 218
Shares issued in employee stock purchase plan, shares | 29,728 |  |  |  |  |
Stock-based compensation, net of forfeitures | $ 11 | 2,346 |  |  |  | 2,357
Stock-based compensation, net of forfeitures, shares | 1,059,115 |  |  | (15,434) |  |
Comprehensive income |  |  |  |  |  |
Net income |  |  |  |  | 19,456 | 19,456
Interest rate swap loss, net of reclassifications to earnings |  |  | (3,225) |  |  | (3,225)
Ending balance at Mar. 31, 2019 | $ 1,369 | 3,180,546 | 2,548 | $ (80,719) | (2,261,452) | 842,292
Ending, shares at Mar. 31, 2019 | 136,876,352 |  |  | (6,484,075) |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Impact of ASU 2016-13 adoption |  |  |  |  | 166 | 166
Beginning balance at Dec. 31, 2019 | $ 1,587 | 3,412,509 | (1,387) | $ (81,869) | (2,244,877) | 1,085,963
Beginning, shares at Dec. 31, 2019 | 158,636,918 |  |  | (6,702,602) |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Treasury stock purchased |  |  |  | $ (799) |  | (799)
Treasury stock purchased, shares |  |  |  | (90,594) |  |
Cash dividends |  |  |  |  | (22,171) | (22,171)
Shares issued in employee stock purchase plan | $ 1 | 201 |  |  |  | 202
Shares issued in employee stock purchase plan, shares | 56,417 |  |  |  |  |
Stock-based compensation, net of forfeitures | $ 10 | 3,074 |  |  |  | 3,084
Stock-based compensation, net of forfeitures, shares | 1,063,163 |  |  | (37,211) |  |
Comprehensive income |  |  |  |  |  |
Net income |  |  |  |  | (61,187) | (61,187)
Interest rate swap loss, net of reclassifications to earnings |  |  | (5,786) |  |  | (5,786)
Ending balance at Mar. 31, 2020 | $ 1,598 | $ 3,415,784 | $ (7,173) | $ (82,668) | $ (2,328,069) | $ 999,472
Ending, shares at Mar. 31, 2020 | 159,756,498 |  |  | (6,830,407) |  |

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