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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Total | Paid-In Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Class A Common Stock | Class A Common Stock Common Stock | Class A Common Stock Treasury Stock | Class A Common Stock Retained Earnings | Class B Common Stock | Class B Common Stock Common Stock | Class B Common Stock Retained Earnings
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2018 | $ 823,116 | $ 745,052 | $ 670,691 | $ 4,233 |  | $ 642 | $ (597,623) |  |  | $ 121 |
Beginning balance (shares) at Dec. 31, 2018 |  |  |  |  |  | 64,197 | 33,476 |  |  | 12,029 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Shares awarded under stock compensation plan | 59 | 54 |  |  |  | $ 5 |  |  |  |  |
Shares awarded under stock compensation plan (shares) |  |  |  |  |  | 480 |  |  |  |  |
Purchase of treasury stock | (2,333) |  |  |  |  |  | $ (2,333) |  |  |  |
Purchases of treasury stock (shares) |  |  |  |  |  |  | (149) |  |  |  |
Change in fair value of interest rate swap and interest rate cap agreements, net of tax expense of $1,563 | (1,861) |  |  | (1,861) |  |  |  |  |  |  |
Restricted stock amortization | 2,814 | 2,814 |  |  |  |  |  |  |  |  |
Net income (loss) | 42,221 |  | 42,221 |  |  |  |  |  |  |  |
Dividends, Common Stock |  |  |  |  | $ 3,099 |  |  | $ 3,099 | $ 1,203 |  | $ 1,203
Ending balance at Mar. 31, 2019 | 852,286 | 747,920 | 701,182 | 2,372 |  | $ 647 | $ (599,956) |  |  | $ 121 |
Ending balance (shares) at Mar. 31, 2019 |  |  |  |  |  | 64,677 | 33,625 |  |  | 12,029 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Retained Earnings (Accumulated Deficit) | ASU 2014-09 | (7,428) |  |  |  |  |  |  |  |  |  |
Retained Earnings (Accumulated Deficit) | 790,158 |  |  |  |  |  |  |  |  |  |
Beginning balance at Dec. 31, 2019 | 944,764 | 755,904 | 790,158 | (2,062) |  | $ 647 | $ (600,004) |  |  | $ 121 |
Beginning balance (shares) at Dec. 31, 2019 |  |  |  |  |  | 64,734 | 33,629 |  |  | 12,029 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Shares awarded under stock compensation plan | 1 | (4) |  |  |  | $ 5 |  |  |  |  |
Shares awarded under stock compensation plan (shares) |  |  |  |  |  | 465 |  |  |  |  |
Purchase of treasury stock | (21,286) |  |  |  |  |  | $ (21,286) |  |  |  |
Purchases of treasury stock (shares) |  |  |  |  |  |  | (735) |  |  |  |
Change in fair value of interest rate swap and interest rate cap agreements, net of tax expense of $1,563 | (272) |  |  | (272) |  |  |  |  |  |  |
Restricted stock amortization | 2,427 | 2,427 |  |  |  |  |  |  |  |  |
Net income (loss) | (199,333) |  | (199,333) |  |  |  |  |  |  |  |
Dividends, Common Stock |  |  |  |  | $ 3,111 |  |  | $ 3,111 | $ 1,203 |  | $ 1,203
Ending balance at Mar. 31, 2020 | 721,987 | $ 758,327 | $ 586,511 | $ (2,334) |  | $ 652 | $ (621,290) |  |  | $ 121 |
Ending balance (shares) at Mar. 31, 2020 |  |  |  |  |  | 65,199 | 34,364 |  |  | 12,029 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Retained Earnings (Accumulated Deficit) | $ 586,511 |  |  |  |  |  |  |  |  |  |

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