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UNAUDITED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss), Net of Taxes [Member] | Non-controlling Interest in Subsidiaries [Member]
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2015 | $ 854,638 | $ 1,248 | $ 526,148 | $ 325,929 | $ (1,763) | $ 3,076
Beginning Balance (in shares) at Dec. 31, 2015 |  | 124,774,516 |  |  |  |
Net income (loss) | (111,201) |  |  | (111,331) |  | 130
Repurchase of common stock | (5,890) | $ (10) | (5,880) |  |  |
Repurchase of common stock (in shares) |  | (991,985) |  |  |  |
Exercise of common stock options | 442 | $ 1 | 441 |  |  |
Exercise of common stock options (in shares) |  | 69,805 |  |  |  |
Equity-based compensation and other | 1,513 | $ 0 | 1,513 |  |  |
Equity-based compensation and other (in shares) |  | 1,347 |  |  |  |
Capital distribution to non-controlling interest | (1,139) |  |  |  |  | (1,139)
Other comprehensive income, net of income taxes | 105 |  |  |  | 105 |
Ending Balance at Mar. 31, 2016 | 738,468 | $ 1,239 | 522,222 | 214,598 | (1,658) | 2,067
Ending Balance (in shares) at Mar. 31, 2016 |  | 123,853,683 |  |  |  |
Beginning Balance at Dec. 31, 2016 | $ 655,283 | $ 1,240 | 527,001 | 126,167 | (1,450) | 2,325
Beginning Balance (in shares) at Dec. 31, 2016 | 123,988,160 | 123,988,160 |  |  |  |
Net income (loss) | $ (32,623) |  |  | (32,724) |  | 101
Cumulative effect of adoption of FASB Accounting Standards Update No. 2016-09 | 0 |  | 284 | (284) |  |
Equity-based compensation and other | 707 | $ 6 | 701 |  |  |
Equity-based compensation and other (in shares) |  | 589,009 |  |  |  |
Other comprehensive income, net of income taxes | 67 |  |  |  | 67 |
Ending Balance at Mar. 31, 2017 | $ 623,434 | $ 1,246 | $ 527,986 | $ 93,159 | $ (1,383) | $ 2,426
Ending Balance (in shares) at Mar. 31, 2017 | 124,577,169 | 124,577,169 |  |  |  |

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