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Business Segment Information - Reconciliation of Reportable Segment Amounts (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total reported segment operating income | $ (5,262) | $ (2,913) | $ (4,612) | $ (3,311) | $ (7,135) | $ (9,989) | $ (17,778) | $ (6,898) | $ (16,098) | $ (41,800) | $ (41,814)
Corporate payroll and benefits |  |  |  |  |  |  |  |  | 12,390 | 23,589 | 20,767
Corporate rent and occupancy |  |  |  |  |  |  |  |  | 2,168 | 3,309 | 2,468
Corporate legal and professional fees |  |  |  |  |  |  |  |  | 8,293 | 16,604 | 14,430
Corporate general and administrative |  |  |  |  |  |  |  |  | 3,721 | 6,104 | 6,066
Corporate depreciation and amortization |  |  |  |  |  |  |  |  | 979 | 2,019 | 1,865
Corporate interest (expense) income, net |  |  |  |  |  |  |  |  | 268 | 24 | 74
Other income (expense), net |  |  |  |  |  |  |  |  | 2,463 | 494 | 26
Income tax benefit (expense) | 61,673 | (583) | (99) | (53) | 131 | (44) | (63) | (44) | 60,938 | (20) | (296)
Net income (loss) | $ 75,830 | $ 9,612 | $ 7,860 | $ 4,376 | $ (2,908) | $ (8,654) | $ (12,447) | $ (6,132) | 97,678 | (30,141) | 1,387
Operating Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total reported segment operating income |  |  |  |  |  |  |  |  | 58,598 | 4,548 | 28,746
Segment Reconciling Items |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Corporate payroll and benefits |  |  |  |  |  |  |  |  | (9,415) | (14,842) | (12,621)
Corporate rent and occupancy |  |  |  |  |  |  |  |  | (1,187) | (707) | (694)
Corporate legal and professional fees |  |  |  |  |  |  |  |  | (8,230) | (15,199) | (9,514)
Corporate general and administrative |  |  |  |  |  |  |  |  | (3,811) | (3,640) | (3,980)
Corporate depreciation and amortization |  |  |  |  |  |  |  |  | (608) | (578) | (354)
Corporate interest (expense) income, net |  |  |  |  |  |  |  |  | (2,334) | 24 | 74
Other income (expense), net |  |  |  |  |  |  |  |  | 3,727 | 273 | 26
Income tax benefit (expense) |  |  |  |  |  |  |  |  | $ 60,938 | $ (20) | $ (296)

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