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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock | Non-controlling Interest
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2014 |  | 154,327,000 |  |  |  |  |
Beginning balance at Dec. 31, 2014 | $ 1,472,536 | $ 2,033 | $ 683,611 | $ 545,357 | $ (14,210) | $ (4,801) | $ 260,546
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income (loss) | 106,110 |  |  | 79,110 |  |  | 27,000
Foreign currency translation adjustments | (14,039) |  |  |  | (10,462) |  | (3,577)
Unrealized gain (loss) on marketable securities | (1,186) |  |  |  | (883) |  | (303)
Equity-based compensation expense | 28,600 |  | 28,600 |  |  |  |
Distributions to noncontrolling interest | (43,539) |  |  |  |  |  | (43,539)
Common stock dividends | (92,844) |  |  | (92,844) |  |  |
Preferred stock dividends | (2) |  |  | (2) |  |  |
Common shares issued upon vesting of share-based awards (in shares) |  | 1,070,000 |  |  |  |  |
Common shares issued upon vesting of share-based awards | 0 | $ 12 | (12) |  |  |  |
Common shares issued for ESPP (in shares) |  | 20,000 |  |  |  |  |
Common shares issued for ESPP | 287 |  | 287 |  |  |  |
Blackhawk acquisition | 0 |  |  |  |  |  |
Treasury shares withheld (in shares) |  | (271,000) |  |  |  |  |
Treasury shares withheld | (4,497) |  |  |  |  | (4,497) |
Ending balance (in shares) at Dec. 31, 2015 |  | 155,146,000 |  |  |  |  |
Ending balance at Dec. 31, 2015 | 1,451,426 | $ 2,045 | 712,486 | 531,621 | (25,555) | (9,298) | 240,127
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income (loss) | (156,079) |  |  | (135,338) |  |  | (20,741)
Foreign currency translation adjustments | 546 |  |  |  | 165 |  | 381
Unrealized gain (loss) on marketable securities | 796 |  |  |  | 616 |  | 180
Equity-based compensation expense | 15,978 |  | 15,978 |  |  |  |
Distributions to noncontrolling interest | (8,027) |  |  |  |  |  | (8,027)
Common stock dividends | (79,012) |  |  | (79,012) |  |  |
Preferred stock dividends | (1) |  |  | (1) |  |  |
Transfer of Mosing Holdings interest to FINV | 19,748 |  | 239,871 |  | (8,203) |  | (211,920)
Common shares issued on conversion of Series A preferred stock (in shares) |  | 52,976,000 |  |  |  |  |
Common shares issued on conversion of Series A preferred stock | 597 | $ 597 |  |  |  |  |
Common shares issued upon vesting of share-based awards (in shares) |  | 1,644,000 |  |  |  |  |
Common shares issued upon vesting of share-based awards | 0 | $ 19 | (19) |  |  |  |
TRA and associated deferred taxes | $ (76,409) |  | (76,409) |  |  |  |
Common shares issued for ESPP (in shares) | 75,974 | 76,000 |  |  |  |  |
Common shares issued for ESPP | $ 973 | $ 1 | 972 |  |  |  |
Blackhawk acquisition (in shares) |  | 12,804,000 |  |  |  |  |
Blackhawk acquisition | 144,047 | $ 140 | 143,907 |  |  |  |
Treasury shares withheld (in shares) |  | (245,000) |  |  |  |  |
Treasury shares withheld | (3,264) |  |  |  |  | (3,264) |
Ending balance (in shares) at Dec. 31, 2016 |  | 222,401,000 |  |  |  |  |
Ending balance at Dec. 31, 2016 | 1,311,319 | $ 2,802 | 1,036,786 | 317,270 | (32,977) | (12,562) | 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income (loss) | (159,457) |  |  | (159,457) |  |  |
Foreign currency translation adjustments | 2,345 |  |  |  | 2,345 |  | 0
Unrealized gain (loss) on marketable securities | (340) |  |  |  | (340) |  | 0
Equity-based compensation expense | 13,825 |  | 13,825 |  |  |  |
Common stock dividends | (50,154) |  |  | (50,154) |  |  |
Common shares issued upon vesting of share-based awards (in shares) |  | 1,017,000 |  |  |  |  |
Common shares issued upon vesting of share-based awards | $ 0 | $ 11 | (11) |  |  |  |
Common shares issued for ESPP (in shares) | 155,673 | 50,000 |  |  |  |  |
Common shares issued for ESPP | $ 524 | $ 1 | 523 |  |  | 0 |
Blackhawk acquisition | 0 |  |  |  |  |  |
Treasury shares issued upon vesting of share-based awards (in shares) |  | 4,000 |  |  |  |  |
Treasury shares issued upon vesting of share-based awards | (18) |  | (84) |  |  | 66 |
Treasury shares issued for ESPP (in shares) |  | 105,000 |  |  |  |  |
Treasury shares issued for ESPP | 740 | $ 0 | (166) | (736) |  | 1,642 |
Treasury shares withheld (in shares) |  | (288,000) |  |  |  |  |
Treasury shares withheld | (2,883) |  |  |  |  | (2,883) |
Ending balance (in shares) at Dec. 31, 2017 |  | 223,289,000 |  |  |  |  |
Ending balance at Dec. 31, 2017 | $ 1,115,901 | $ 2,814 | $ 1,050,873 | $ 106,923 | $ (30,972) | $ (13,737) | $ 0

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