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v3.19.1

Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Treasury Stock | Additional Paid-in Capital | Retained Earnings | Non-controlling Interests
--- | --- | --- | --- | --- | --- | ---
Balance (shares) at Dec. 31, 2017 |  | 269,295 | 1,332 |  |  |
Balance at Dec. 31, 2017 | $ 3,513,579 | $ 2,668 | $ (22,179) | $ 2,677,217 | $ 717,985 | $ 137,888
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Issuance of common stock due to acquisition (shares) |  | 46,000 |  |  |  |
Issuance of common stock due to acquisition | 371,220 | $ 460 |  | 370,760 |  |
Other (Oasis Midstream common units) | (90) |  |  | (90) |  |
Equity-based compensation (shares) |  | 2,758 |  |  |  |
Equity-based compensation | 7,208 | $ 26 |  | 7,116 |  | 66
Distributions to non-controlling interest owners | (3,450) |  |  |  |  | (3,450)
Treasury stock - tax withholdings (shares) |  | (690) | (690) |  |  |
Treasury stock - tax withholdings | (6,021) |  | $ (6,021) |  |  |
Net income (loss) | 3,712 |  |  |  | 590 | 3,122
Balance (shares) at Mar. 31, 2018 |  | 317,363 | 2,022 |  |  |
Balance at Mar. 31, 2018 | 3,886,158 | $ 3,154 | $ (28,200) | 3,055,003 | 718,575 | 137,626
Balance (shares) at Dec. 31, 2018 |  | 318,377 | 2,092 |  |  |
Balance at Dec. 31, 2018 | 3,918,880 | $ 3,157 | $ (29,025) | 3,077,755 | 682,689 | 184,304
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Other (Oasis Midstream common units) | (175) |  |  | (134) |  | (41)
Equity-based compensation (shares) |  | 4,360 |  |  |  |
Equity-based compensation | 9,606 | $ 25 |  | 9,462 |  | 119
Distributions to non-controlling interest owners | (4,937) |  |  |  |  | (4,937)
Treasury stock - tax withholdings (shares) |  | (686) | (686) |  |  |
Treasury stock - tax withholdings | (4,261) |  | $ (4,261) |  |  | 0
Net income (loss) | (107,978) |  |  |  | (114,882) | 6,904
Balance (shares) at Mar. 31, 2019 |  | 322,051 | 2,778 |  |  |
Balance at Mar. 31, 2019 | $ 3,811,135 | $ 3,182 | $ (33,286) | $ 3,087,083 | $ 567,807 | $ 186,349

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