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Consolidated Statements of Equity - USD ($) $ in Thousands | Total | Previously Reported | Revision of Prior Period, Accounting Standards Update, Adjustment | Common stock | Common stock Previously Reported | Other paid-in capital | Other paid-in capital Previously Reported | Retained earnings | Retained earnings Previously Reported | Retained earnings Revision of Prior Period, Accounting Standards Update, Adjustment | Total accumulated other comprehensive loss | Total accumulated other comprehensive loss Previously Reported | Total accumulated other comprehensive loss Revision of Prior Period, Accounting Standards Update, Adjustment | Treasury stock | Treasury stock Previously Reported
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2017 |  |  |  | 195,843,297 |  |  |  |  |  |  |  |  |  |  |
Treasury stock (in shares) at Dec. 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  | (538,921) |
Balance at Dec. 31, 2017 | $ 2,428,073 | $ 2,429,043 |  | $ 195,843 | $ 195,843 | $ 1,233,412 | $ 1,233,412 | $ 1,039,778 | $ 1,040,748 |  | $ (37,334) | $ (37,334) |  | $ (3,626) | $ (3,626)
Balance (Accounting Standards Update 2014-09) at Dec. 31, 2017 |  |  | $ (970) |  |  |  |  |  |  | $ (970) |  |  |  |  |
Net income | 272,318 |  |  |  |  |  |  | 272,318 |  |  |  |  |  |  |
Other comprehensive income (loss) | 6,951 |  |  |  |  |  |  |  |  |  | 6,951 |  |  |  |
Dividends declared on common stock | (156,453) |  |  |  |  |  |  | (156,453) |  |  |  |  |  |  |
Stock-based compensation | 5,060 |  |  |  |  | 5,060 |  |  |  |  |  |  |  |  |
Repurchase of common stock (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | (182,424) |
Repurchase of common stock | (5,020) |  |  |  |  |  |  |  |  |  |  |  |  | $ (5,020) |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings |  |  |  |  |  | (7,350) |  |  |  |  |  |  |  |  |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 182,424 |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,020 |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings | (2,330) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock (in shares) |  |  |  | 721,610 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock | 18,176 |  |  | $ 722 |  | 17,454 |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2018 | 2,566,775 |  | $ 0 | $ 196,565 |  | 1,248,576 |  | 1,163,602 |  | $ 7,959 | (38,342) |  | $ (7,959) | $ (3,626) |
Balance (in shares) at Dec. 31, 2018 |  |  |  | 196,564,907 |  |  |  |  |  |  |  |  |  |  |
Treasury stock (in shares) at Dec. 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  | (538,921) |
Net income | 335,453 |  |  |  |  |  |  | 335,453 |  |  |  |  |  |  |
Other comprehensive income (loss) | (3,760) |  |  |  |  |  |  |  |  |  | (3,760) |  |  |  |
Dividends declared on common stock | (162,408) |  |  |  |  |  |  | (162,408) |  |  |  |  |  |  |
Stock-based compensation | 7,353 |  |  |  |  | 7,353 |  |  |  |  |  |  |  |  |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings |  |  |  |  |  | (3,261) |  |  |  |  |  |  |  |  |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings | (3,015) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings (in shares) |  |  |  | 246,214 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings |  |  |  | $ 246 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock (in shares) |  |  |  | 4,111,669 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock | 106,848 |  |  | $ 4,112 |  | 102,736 |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2019 | $ 2,847,246 |  |  | $ 200,923 |  | 1,355,404 |  | 1,336,647 |  |  | (42,102) |  |  | $ (3,626) |
Balance (in shares) at Dec. 31, 2019 | 200,922,790 |  |  | 200,922,790 |  |  |  |  |  |  |  |  |  |  |
Treasury stock (in shares) at Dec. 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  | (538,921) |
Net income | $ 390,205 |  |  |  |  |  |  | 390,205 |  |  |  |  |  |  |
Other comprehensive income (loss) | (5,976) |  |  |  |  |  |  |  |  |  | (5,976) |  |  |  |
Dividends declared on common stock | (168,489) |  |  |  |  |  |  | (168,489) |  |  |  |  |  |  |
Stock-based compensation | 13,096 |  |  |  |  | 13,096 |  |  |  |  |  |  |  |  |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings |  |  |  |  |  | (388) |  |  |  |  |  |  |  |  |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings | (362) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings (in shares) |  |  |  | 26,406 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings |  |  |  | $ 26 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock (in shares) |  |  |  | 112,002 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock | 3,385 |  |  | $ 112 |  | 3,273 |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2020 | $ 3,079,105 |  |  | $ 201,061 |  | $ 1,371,385 |  | $ 1,558,363 |  |  | $ (48,078) |  |  | $ (3,626) |
Balance (in shares) at Dec. 31, 2020 | 201,061,198 |  |  | 201,061,198 |  |  |  |  |  |  |  |  |  |  |
Treasury stock (in shares) at Dec. 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  | (538,921) |

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