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Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Income Taxes - Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income tax expense from discontinued operations	$ 2,520	$ 15,998
Current income tax benefit	5,496	$ 12,428
Deferred income tax benefit	$ 3,535

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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