Income Taxes - Provision for Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	9 Months Ended
	Jun. 30, 2012	Sep. 30, 2013
Current:
Federal	$ (342)	$ (293)
State	0	0
Total current	(342)	(293)
Deferred:
Federal	1,575	6,067
State	438	2,048
Total deferred	2,013	8,115
Increase (decrease) in valuation allowance for deferred tax assets	(11,000)	0
Total income taxes	$ (9,329)	$ 7,822