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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Earnings
--- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2018 | $ 569,571 | $ 52,936 | $ 452,513 | $ 64,122
Beginning Balance, Shares at Dec. 31, 2018 |  | 105,871 |  |
Stock-based compensation | 648 | $ (2) | 650 |
Stock-based compensation, Shares |  | (3) |  |
Net income (loss) | 13,575 |  |  | 13,575
Ending Balance at Mar. 31, 2019 | 583,794 | $ 52,934 | 453,163 | 77,697
Ending Balance, Shares at Mar. 31, 2019 |  | 105,868 |  |
Beginning Balance at Dec. 31, 2018 | 569,571 | $ 52,936 | 452,513 | 64,122
Beginning Balance, Shares at Dec. 31, 2018 |  | 105,871 |  |
Net income (loss) | 34,982 |  |  |
Ending Balance at Jun. 30, 2019 | 605,824 | $ 52,971 | 453,749 | 99,104
Ending Balance, Shares at Jun. 30, 2019 |  | 105,942 |  |
Beginning Balance at Mar. 31, 2019 | 583,794 | $ 52,934 | 453,163 | 77,697
Beginning Balance, Shares at Mar. 31, 2019 |  | 105,868 |  |
Stock-based compensation | 623 | $ 37 | 586 |
Stock-based compensation, Shares |  | 74 |  |
Net income (loss) | 21,407 |  |  | 21,407
Ending Balance at Jun. 30, 2019 | 605,824 | $ 52,971 | 453,749 | 99,104
Ending Balance, Shares at Jun. 30, 2019 |  | 105,942 |  |
Beginning Balance at Dec. 31, 2019 | 1,143,022 | $ 95,003 | 909,423 | 138,596
Beginning Balance, Shares at Dec. 31, 2019 |  | 190,007 |  |
Stock-based compensation | 1,430 | $ (12) | 1,442 |
Stock-based compensation, Shares |  | (24) |  |
Income tax withholdings related to equity awards | (15) | $ (1) | (14) |
Income tax withholdings related to equity awards, Shares |  | (2) |  |
Net income (loss) | 42,028 |  |  | 42,028
Preferred dividend accretion | (2,500) |  |  | (2,500)
Payment of preferred dividends | (9,572) |  |  | (9,572)
Ending Balance at Mar. 31, 2020 | 1,174,393 | $ 94,990 | 910,851 | 168,552
Ending Balance, Shares at Mar. 31, 2020 |  | 189,981 |  |
Beginning Balance at Dec. 31, 2019 | 1,143,022 | $ 95,003 | 909,423 | 138,596
Beginning Balance, Shares at Dec. 31, 2019 |  | 190,007 |  |
Net income (loss) | (7,848) |  |  |
Ending Balance at Jun. 30, 2020 | 1,317,501 | $ 116,290 | 1,092,662 | 108,549
Ending Balance, Shares at Jun. 30, 2020 |  | 232,580 |  |
Beginning Balance at Mar. 31, 2020 | 1,174,393 | $ 94,990 | 910,851 | 168,552
Beginning Balance, Shares at Mar. 31, 2020 |  | 189,981 |  |
Stock-based compensation | 1,552 | $ 254 | 1,298 |
Stock-based compensation, Shares |  | 507 |  |
Issuances of common stock | 211,638 | $ 21,046 | 190,592 |
Issuances of common stock, Shares |  | 42,092 |  |
Stock issuance costs | (10,079) |  | (10,079) |
Net income (loss) | (49,876) |  |  | (49,876)
Preferred dividend accretion | (2,917) |  |  | (2,917)
Payment of preferred dividends | (7,210) |  |  | (7,210)
Ending Balance at Jun. 30, 2020 | $ 1,317,501 | $ 116,290 | $ 1,092,662 | $ 108,549
Ending Balance, Shares at Jun. 30, 2020 |  | 232,580 |  |

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