Income Taxes - (Benefit) Provision for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Current
Federal	$ 687	$ 0	$ 4,702	$ (71)
State	1,676	173	2,598	(14)
Current, total	2,363	173	7,300	(85)
Deferred
Federal	0	0	0	(97,345)
State	0	0	0	(2,943)
Deferred, total	0	0	0	(100,288)
Total provision (benefit)	2,363	173	7,300	(100,373)
Noncontrolling Interest
Deferred
Total provision (benefit)	96	130	242	287
Parent Company
Current
State			2,400
Deferred
Total provision (benefit)	$ 2,267	$ 43	$ 7,058	$ (100,660)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.