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Earnings Per Share (Schedule of Diluted Shares) (Details) - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Schedule of Diluted shares |  |  |
Income (loss) from continuing operations | $ (48,083) | $ (2,848) | $ 98,728
(Income) loss from continuing operations attributable to unvested shares |  | 21 | (1,231)
Numerator for basic | (48,083) | (2,827) | 97,497
(Income) loss from continuing operations attributable to unvested shares |  | (21) |
Numerator for dilutive | (48,083) | (2,848) | 97,497
Income (loss) from discontinued operations, net of tax | (98) | 5,411 | (496)
(Income) loss from discontinued operations attributable to unvested shares |  | (39) | 6
Numerator for basic | (98) | 5,372 | (490)
(Income) loss from discontinued operations attributable to unvested shares |  | 39 |
Numerator for dilutive | (98) | 5,411 | (490)
Net income (loss) | (48,181) | 2,563 | 98,232
Net (income) loss attributable to unvested shares |  | (18) | (1,225)
Numerator for basic | (48,181) | 2,545 | 97,007
Net (income) loss attributable to unvested shares |  | 18 |
Numerator for dilutive | $ (48,181) | $ 2,563 | $ 97,007
Basic weighted average shares outstanding | 57,594 | 59,143 | 59,248
Effect of dilutive securities |  |  | 749
Diluted weighted average shares outstanding | 57,594 | 59,143 | 59,997
Stock options and unvested restricted stock grants excluded from dilutive calculation because they would be anti-dilutive | 3,545 | 603 | 1,316

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- Definition Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(12)) -URI http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721525-107759 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e957-107759 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721523-107759 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e1012-107759 + Details
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