Prior Period Revision (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		3 Months Ended	6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Jun. 30, 2014 Missallocation of Income Tax Expense (Benefit)	Jun. 30, 2014 Missallocation of Income Tax Expense (Benefit)
Correction of an understatement of income tax allocated to discontinued operations			$ (5,888)	$ (2,433)	$ 300	$ 300
Correction of an overstatement of income tax expense allocated to continuing operation	$ (4,492)	$ (1,085)	$ (5,938)	$ (2,393)	$ (300)