Consolidated statements of stockholders' equity - USD ($) $ in Thousands | Total | Common stock | Additional paid-in capital | Treasury stock (at cost) | Accumulated deficit |
Balance at beginning of period (in shares) at Dec. 31, 2021 | | 17,075,000 | | | |
Balance at beginning of period at Dec. 31, 2021 | $ 513,780 | $ 171 | $ 2,788,628 | $ 0 | $ (2,275,019) |
Balance at beginning of period (in shares) at Dec. 31, 2021 | | | | 0 | |
Increase (Decrease) in Stockholders' Equity | | | | | |
Restricted stock awards (in shares) | | 232,000 | | | |
Restricted stock awards | 0 | $ 2 | (2) | | |
Restricted stock forfeitures (in shares) | | (4,000) | | | |
Stock exchanged for tax withholding (in shares) | | | | 76,000 | |
Stock exchanged for tax withholding | (5,847) | | | $ (5,847) | |
Retirement of treasury stock (in shares) | | (76,000) | | (76,000) | |
Retirement of treasury stock | 0 | $ (1) | (5,846) | $ 5,847 | |
Share-settled equity-based compensation | 2,636 | | 2,636 | | |
Performance share conversion (in shares) | | 75,000 | | | |
Performance share conversion | 0 | $ 1 | (1) | | |
Net income (loss) | (86,781) | | | | (86,781) |
Balance at end of period (in shares) at Mar. 31, 2022 | | 17,302,000 | | | |
Balance at end of period at Mar. 31, 2022 | 423,788 | $ 173 | 2,785,415 | $ 0 | (2,361,800) |
Balance at end of period (in shares) at Mar. 31, 2022 | | | | 0 | |
Balance at beginning of period (in shares) at Dec. 31, 2021 | | 17,075,000 | | | |
Balance at beginning of period at Dec. 31, 2021 | 513,780 | $ 171 | 2,788,628 | $ 0 | (2,275,019) |
Balance at beginning of period (in shares) at Dec. 31, 2021 | | | | 0 | |
Increase (Decrease) in Stockholders' Equity | | | | | |
Net income (loss) | 513,288 | | | | |
Balance at end of period (in shares) at Sep. 30, 2022 | | 16,915,000 | | | |
Balance at end of period at Sep. 30, 2022 | 1,000,670 | $ 169 | 2,762,232 | $ 0 | (1,761,731) |
Balance at end of period (in shares) at Sep. 30, 2022 | | | | 0 | |
Balance at beginning of period (in shares) at Mar. 31, 2022 | | 17,302,000 | | | |
Balance at beginning of period at Mar. 31, 2022 | 423,788 | $ 173 | 2,785,415 | $ 0 | (2,361,800) |
Balance at beginning of period (in shares) at Mar. 31, 2022 | | | | 0 | |
Increase (Decrease) in Stockholders' Equity | | | | | |
Restricted stock awards (in shares) | | 5,000 | | | |
Restricted stock awards | 0 | $ 0 | | | |
Restricted stock forfeitures (in shares) | | (3,000) | | | |
Share repurchases (in shares) | | | | 85,000 | |
Share repurchases | (9,071) | | | $ (9,071) | |
Stock exchanged for tax withholding (in shares) | | | | 7,000 | |
Stock exchanged for tax withholding | (742) | | | $ (742) | |
Retirement of treasury stock (in shares) | | (92,000) | | (92,000) | |
Retirement of treasury stock | 0 | $ (1) | (9,812) | $ 9,813 | |
Share-settled equity-based compensation | 2,935 | | 2,935 | | |
Net income (loss) | 262,546 | | | | 262,546 |
Balance at end of period (in shares) at Jun. 30, 2022 | | 17,212,000 | | | |
Balance at end of period at Jun. 30, 2022 | 679,456 | $ 172 | 2,778,538 | $ 0 | (2,099,254) |
Balance at end of period (in shares) at Jun. 30, 2022 | | | | 0 | |
Increase (Decrease) in Stockholders' Equity | | | | | |
Restricted stock awards (in shares) | | 9,000 | | | |
Restricted stock awards | 0 | $ 0 | 0 | | |
Restricted stock forfeitures (in shares) | | (50,000) | | | |
Restricted stock forfeitures | 0 | $ (1) | 1 | | |
Share repurchases (in shares) | | | | 245,000 | |
Share repurchases | (17,515) | | | $ (17,515) | |
Stock exchanged for tax withholding (in shares) | | | | 11,000 | |
Stock exchanged for tax withholding | (853) | | | $ (853) | |
Retirement of treasury stock (in shares) | | (256,000) | | (256,000) | |
Retirement of treasury stock | 0 | $ (2) | (18,366) | $ 18,368 | |
Share-settled equity-based compensation | 2,059 | | 2,059 | | |
Net income (loss) | 337,523 | | | | 337,523 |
Balance at end of period (in shares) at Sep. 30, 2022 | | 16,915,000 | | | |
Balance at end of period at Sep. 30, 2022 | $ 1,000,670 | $ 169 | 2,762,232 | $ 0 | (1,761,731) |
Balance at end of period (in shares) at Sep. 30, 2022 | | | | 0 | |
Balance at beginning of period (in shares) at Dec. 31, 2022 | 16,762,127 | 16,762,000 | | | |
Balance at beginning of period at Dec. 31, 2022 | $ 1,110,746 | $ 168 | 2,754,085 | $ 0 | (1,643,507) |
Balance at beginning of period (in shares) at Dec. 31, 2022 | | | | 0 | |
Increase (Decrease) in Stockholders' Equity | | | | | |
Restricted stock awards (in shares) | | 315,000 | | | |
Restricted stock awards | 0 | $ 3 | (3) | | |
Restricted stock forfeitures (in shares) | | (3,000) | | | |
Stock exchanged for tax withholding (in shares) | | | | 49,000 | |
Stock exchanged for tax withholding | (2,459) | | | $ (2,459) | |
Retirement of treasury stock (in shares) | | (49,000) | | (49,000) | |
Retirement of treasury stock | 0 | $ (1) | (2,458) | $ 2,459 | |
Share-settled equity-based compensation | 3,141 | | 3,141 | | |
Net income (loss) | 113,940 | | | | 113,940 |
Balance at end of period (in shares) at Mar. 31, 2023 | | 17,025,000 | | | |
Balance at end of period at Mar. 31, 2023 | $ 1,225,368 | $ 170 | 2,754,765 | $ 0 | (1,529,567) |
Balance at end of period (in shares) at Mar. 31, 2023 | | | | 0 | |
Balance at beginning of period (in shares) at Dec. 31, 2022 | 16,762,127 | 16,762,000 | | | |
Balance at beginning of period at Dec. 31, 2022 | $ 1,110,746 | $ 168 | 2,754,085 | $ 0 | (1,643,507) |
Balance at beginning of period (in shares) at Dec. 31, 2022 | | | | 0 | |
Increase (Decrease) in Stockholders' Equity | | | | | |
Net income (loss) | $ 413,644 | | | | |
Balance at end of period (in shares) at Sep. 30, 2023 | 21,751,758 | 21,752,000 | | | |
Balance at end of period at Sep. 30, 2023 | $ 1,773,064 | $ 218 | 3,002,709 | $ 0 | (1,229,863) |
Balance at end of period (in shares) at Sep. 30, 2023 | | | | 0 | |
Balance at beginning of period (in shares) at Mar. 31, 2023 | | 17,025,000 | | | |
Balance at beginning of period at Mar. 31, 2023 | 1,225,368 | $ 170 | 2,754,765 | $ 0 | (1,529,567) |
Balance at beginning of period (in shares) at Mar. 31, 2023 | | | | 0 | |
Increase (Decrease) in Stockholders' Equity | | | | | |
Restricted stock awards (in shares) | | 6,000 | | | |
Restricted stock awards | 0 | $ 0 | 0 | | |
Restricted stock forfeitures (in shares) | | (9,000) | | | |
Stock exchanged for tax withholding (in shares) | | | | 7,000 | |
Stock exchanged for tax withholding | (385) | | | $ (385) | |
Retirement of treasury stock (in shares) | | (7,000) | | (7,000) | |
Retirement of treasury stock | 0 | $ 0 | (385) | $ 385 | |
Share-settled equity-based compensation | 3,711 | | 3,711 | | |
Equity issued for acquisitions of oil and natural gas properties (in shares) | | 1,579,000 | | | |
Equity issued for acquisition of oil and natural gas properties | 80,068 | $ 16 | 80,052 | | |
Net income (loss) | 294,811 | | | | 294,811 |
Balance at end of period (in shares) at Jun. 30, 2023 | | 18,594,000 | | | |
Balance at end of period at Jun. 30, 2023 | 1,603,573 | $ 186 | 2,838,143 | $ 0 | (1,234,756) |
Balance at end of period (in shares) at Jun. 30, 2023 | | | | 0 | |
Increase (Decrease) in Stockholders' Equity | | | | | |
Restricted stock awards (in shares) | | 6,000 | | | |
Restricted stock awards | 0 | $ 0 | 0 | | |
Restricted stock forfeitures (in shares) | | (7,000) | | | |
Restricted stock forfeitures | 0 | $ 0 | 0 | | |
Stock exchanged for tax withholding (in shares) | | | | (4,000) | |
Stock exchanged for tax withholding | (212) | | | $ (212) | |
Retirement of treasury stock (in shares) | | (4,000) | | (4,000) | |
Retirement of treasury stock | 0 | $ 0 | (212) | $ 212 | |
Share-settled equity-based compensation | 3,807 | | 3,807 | | |
Issuance of common stock, net of costs (in shares) | | 3,163,000 | | | |
Issuance of common stock, net of costs | 161,003 | $ 32 | 160,971 | | |
Net income (loss) | $ 4,893 | | | | 4,893 |
Balance at end of period (in shares) at Sep. 30, 2023 | 21,751,758 | 21,752,000 | | | |
Balance at end of period at Sep. 30, 2023 | $ 1,773,064 | $ 218 | $ 3,002,709 | $ 0 | $ (1,229,863) |
Balance at end of period (in shares) at Sep. 30, 2023 | | | | 0 | |