Stockholders' (Deficit) Equity	12 Months Ended
Dec. 31, 2020
Equity [Abstract]
Stockholders' (Deficit) Equity	20. STOCKHOLDERS’ (DEFICIT) EQUITY As of December 31, 2020, 94,652,248 shares of common stock were issued in the accompanying consolidated balance sheet, which includes 16,260,248 shares of treasury stock held by the Company (see Share Repurchase Program discussion below), but excludes 101,135 unvested shares of common stock and 3,082,378 unvested restricted stock units held by certain participants in the Company’s equity compensation plans (see Note 19–Equity-Based Compensation). Share Repurchase Program The Board had previously authorized the repurchase of up to $250.0 million of the Company’s common stock (the “Share Repurchase Program”). Under the Share Repurchase Program, the Company is authorized to repurchase shares through open market purchases, privately-negotiated transactions or otherwise in accordance with applicable federal securities laws, including through Rule 10b5-1 trading plans and under Rule 10b-18 of the Exchange Act. During the year ended December 31, 2020, prior to the COVID-19 temporary park closures, the Company completed a share repurchase of 469,785 shares for an aggregate total of approximately $12.4 million, leaving approximately $237.6 million available under the Share Repurchase Program as of December 31, 2020. In connection with Amendment No. 12 to the Company’s Amended Credit Agreement, the Company is restricted from paying any dividends or making restricted payments, including share repurchases, through the third quarter of 2022 unless certain conditions are met (see Note 11–Long-Term Debt). During the year ended December 31, 2019, the Company completed a share repurchase of 5,615,874 shares (see discussion relating to the SEAS Repurchase in Note 17–Related Party Transactions for further details). On August 2, 2019, the Company’s Board approved a replenishment to the Share Repurchase Program of $150.0 million, bringing the total amount authorized for future share repurchases back up to $250.0 million at that time. During the year ended December 31, 2018, the Company repurchased a total of 3,654,816 shares of common stock at a total cost of approximately $98.0 million. The Share Repurchase Program has no time limit and may be suspended or discontinued completely at any time. The number of shares to be purchased and the timing of purchases will be based on the Company’s trading windows and available liquidity, general business and market conditions, and other factors, including legal requirements, debt covenant restrictions and alternative investment opportunities. All shares repurchased pursuant to the Share Repurchase Program, along with shares repurchased directly from selling stockholders concurrently with previous secondary offerings, are recorded as treasury stock at a total cost of $415.3 million and $402.9 million as of December 31, 2020 and 2019, respectively, and are reflected as a reduction to stockholders’ (deficit) equity in the accompanying consolidated statements of changes in stockholders’ (deficit) equity.

Stockholders' (Deficit) Equity

12 Months Ended

Dec. 31, 2020

20. STOCKHOLDERS’ (DEFICIT) EQUITY

As of December 31, 2020, 94,652,248 shares of common stock were issued in the accompanying consolidated balance sheet, which includes 16,260,248 shares of treasury stock held by the Company (see Share Repurchase Program discussion below), but excludes 101,135 unvested shares of common stock and 3,082,378 unvested restricted stock units held by certain participants in the Company’s equity compensation plans (see Note 19–Equity-Based Compensation).

Share Repurchase Program

The Board had previously authorized the repurchase of up to $250.0 million of the Company’s common stock (the “Share Repurchase Program”). Under the Share Repurchase Program, the Company is authorized to repurchase shares through open market purchases, privately-negotiated transactions or otherwise in accordance with applicable federal securities laws, including through Rule 10b5-1 trading plans and under Rule 10b-18 of the Exchange Act.

During the year ended December 31, 2020, prior to the COVID-19 temporary park closures, the Company completed a share repurchase of 469,785 shares for an aggregate total of approximately $12.4 million, leaving approximately $237.6 million available under the Share Repurchase Program as of December 31, 2020. In connection with Amendment No. 12 to the Company’s Amended Credit Agreement, the Company is restricted from paying any dividends or making restricted payments, including share repurchases, through the third quarter of 2022 unless certain conditions are met (see Note 11–Long-Term Debt).

During the year ended December 31, 2019, the Company completed a share repurchase of 5,615,874 shares (see discussion relating to the SEAS Repurchase in Note 17–Related Party Transactions for further details). On August 2, 2019, the Company’s Board approved a replenishment to the Share Repurchase Program of $150.0 million, bringing the total amount authorized for future share repurchases back up to $250.0 million at that time. During the year ended December 31, 2018, the Company repurchased a total of 3,654,816 shares of common stock at a total cost of approximately $98.0 million.

The Share Repurchase Program has no time limit and may be suspended or discontinued completely at any time. The number of shares to be purchased and the timing of purchases will be based on the Company’s trading windows and available liquidity, general business and market conditions, and other factors, including legal requirements, debt covenant restrictions and alternative investment opportunities.

All shares repurchased pursuant to the Share Repurchase Program, along with shares repurchased directly from selling stockholders concurrently with previous secondary offerings, are recorded as treasury stock at a total cost of $415.3 million and $402.9 million as of December 31, 2020 and 2019, respectively, and are reflected as a reduction to stockholders’ (deficit) equity in the accompanying consolidated statements of changes in stockholders’ (deficit) equity.