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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Diluted Shares |
﻿ |  |  |  |  |  |  |  |
﻿ |  | Year Ended December 31,
﻿ |  | 2018 |  |  | 2017 |  |  | 2016
﻿ | (in thousands)
﻿Net income (loss) - (numerator): |  |  |  |  |  |  |  |
﻿Income (loss) from continuing operations | $ | 98,728 |  | $ | 10,272 |  | $ | (18,267)
﻿(Income) from continuing operations attributable to unvested shares |  | (1,231) |  |  | (62) |  |  | —
﻿Numerator for basic |  | 97,497 |  |  | 10,210 |  |  | (18,267)
﻿(Income) loss from continuing operations attributable to unvested shares |  | — |  |  | — |  |  | —
﻿Numerator for dilutive | $ | 97,497 |  | $ | 10,210 |  | $ | (18,267)
﻿ |  |  |  |  |  |  |  |
﻿Loss from discontinued operations | $ | (496) |  | $ | (621) |  | $ | (8,283)
﻿Loss from discontinued operations attributable to unvested shares |  | 6 |  |  | 4 |  |  | —
﻿Numerator for basic |  | (490) |  |  | (617) |  |  | (8,283)
﻿Loss from discontinued operations attributable to unvested shares |  | — |  |  | — |  |  | —
﻿Numerator for dilutive | $ | (490) |  | $ | (617) |  | $ | (8,283)
﻿ |  |  |  |  |  |  |  |
﻿Net income (loss) | $ | 98,232 |  | $ | 9,651 |  | $ | (26,550)
﻿Income attributable to unvested shares |  | (1,225) |  |  | (58) |  |  | —
﻿Numerator for basic |  | 97,007 |  |  | 9,593 |  |  | (26,550)
﻿Net (income) loss attributable to unvested shares |  | — |  |  | — |  |  | —
﻿Numerator for dilutive | $ | 97,007 |  | $ | 9,593 |  | $ | (26,550)
﻿ |  |  |  |  |  |  |  |
﻿Weighted average shares (denominator): |  |  |  |  |  |  |  |
﻿Basic weighted average shares outstanding |  | 59,248 |  |  | 58,717 |  |  | 58,384
﻿Effect of dilutive securities |  | 749 |  |  | 3 |  |  | —
﻿Diluted weighted average shares outstanding |  | 59,997 |  |  | 58,720 |  |  | 58,384
﻿Stock options and unvested restricted stock grants excluded from dilutive calculation because they would be anti-dilutive |  | 1,316 |  |  | 2,823 |  |  | 4,363
﻿

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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