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Dispositions (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Dispositions [Abstract] |
Summarized Results Of, And Assets And Liabilities Attributable To, Discontinued Operations | Summarized Results of Discontinued Operations
﻿ |  |  |  |  |
﻿ | Three Months Ended March 31,
﻿ | 2019 |  | 2018
﻿ | (in thousands)
﻿Operating costs and expenses: |  |  |  |  |
﻿Gain on settlement of drilling obligation | $ | (7,193) |  | $ | —
﻿General and administrative expense |  | 14 |  |  | 32
﻿Total operating costs, expenses and (recovery) |  | (7,179) |  |  | 32
﻿Operating income (loss) |  | 7,179 |  |  | (32)
﻿Other income (expense): |  |  |  |  |
﻿Other, net |  | — |  |  | (20)
﻿Total other income (expense) |  | — |  |  | (20)
﻿Income (loss) from discontinued operations before income taxes |  | 7,179 |  |  | (52)
﻿Income tax expense |  | 1,508 |  |  | —
﻿Income (loss) from discontinued operations | $ | 5,671 |  | $ | (52)
﻿ Assets and Liabilities Attributable to Discontinued Operations ﻿
﻿ |  |  |  |  |  |
﻿ |  | Balance at
﻿ |  | March 31, 2019 |  | December 31, 2018
﻿ |  | (in thousands)
﻿ASSETS |  |  |  |  |  |
﻿Accounts with joint venture owners |  | $ | — |  | $ | 3,290
﻿Total current assets |  |  | — |  |  | 3,290
﻿Total assets |  | $ | — |  | $ | 3,290
﻿ |  |  |  |  |  |
﻿LIABILITIES |  |  |  |  |  |
﻿Current liabilities: |  |  |  |  |  |
﻿Accounts payable |  | $ | 17 |  | $ | 73
﻿Accrued liabilities and other |  |  | 4,658 |  |  | 15,172
﻿Total current liabilities |  |  | 4,675 |  |  | 15,245
﻿Total liabilities |  | $ | 4,675 |  | $ | 15,245
﻿

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