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Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Noncontrolling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2016 | $ 510 | $ 893,102 | $ (11,542) | $ (491,805) | $ (22,268) |  | $ 367,997
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income |  |  |  | 176,100 |  |  | 176,100
Net income |  |  |  |  |  |  | 176,100
Other comprehensive income (loss), net of income taxes |  |  |  |  | (4,424) |  | (4,424)
Payment of dividends |  | 745 | (1,711) | (163,465) |  |  | (164,431)
Exercise of stock options |  | 65 |  |  |  |  | 65
Restricted stock units and stock options surrendered | 2 | (3,793) |  |  |  |  | (3,791)
Stock-based compensation expense |  | 6,640 |  |  |  |  | 6,640
Ending balance at Dec. 31, 2017 | 512 | 896,759 | (13,253) | (479,170) | (26,692) |  | 378,156
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income |  |  |  | 264,670 |  |  | 264,670
Net income |  |  |  |  |  |  | 264,670
Tax benefit or Translation adjustment related to adoption of ASU (ASU 2014-09 [Member]) at Dec. 31, 2018 |  |  |  | (134) |  |  | (134)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Other comprehensive income (loss), net of income taxes |  |  |  |  | (1,332) |  | (1,332)
Payment of dividends |  | 514 | (1,930) | (173,890) |  |  | (175,306)
Exercise of stock options |  | 11 |  |  |  |  | 11
Restricted stock units and stock options surrendered | 1 | (4,145) |  |  |  |  | (4,144)
Stock-based compensation expense |  | 7,656 |  |  |  |  | 7,656
Establishment of noncontrolling interest in consolidated joint venture |  |  |  |  |  | $ 287,433 |
Ending balance at Dec. 31, 2018 | $ 513 | 900,795 | (15,183) | (388,524) | (28,024) | 287,433 | 469,577
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income |  |  |  | 145,794 |  | (17,500) | 145,794
Adjustment of noncontrolling interest to redemption value |  |  |  | (68,054) |  | 68,054 | (68,054)
Net income |  |  |  |  |  |  | 128,294
Tax benefit or Translation adjustment related to adoption of ASU (ASU 2018-02 [Member]) at Dec. 31, 2019 |  |  |  | 2,707 | (2,707) |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Other comprehensive income (loss), net of income taxes |  |  |  |  | 2,572 |  | 2,572
Purchase of additional ownership interest in consolidated joint venture |  | (2,899) |  |  |  | (2,582) | (2,899)
Payment of dividends |  | 532 | (2,132) | (187,437) |  |  | (189,037)
Exercise of stock options |  | 35 |  |  |  |  | 35
Distribution from consolidated joint venture |  |  |  |  |  | (113,894) |
Issuance of Company's common stock |  | 282,873 |  |  |  |  | $ 282,908
Issuance of Company's common stock (in shares) | 35 |  |  |  |  |  | 3,500
Restricted stock units and stock options surrendered | $ 1 | (4,001) |  |  |  |  | $ (4,000)
Stock-based compensation expense |  | 7,833 |  |  |  |  | 7,833
Ending balance at Dec. 31, 2019 | $ 549 | $ 1,185,168 | $ (17,315) | $ (495,514) | $ (28,159) | $ 221,511 | $ 644,729

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