Income Taxes (Tables)

3 Months Ended

Mar. 31, 2013

Income Taxes [Abstract]

Tax provision (benefit)

The effect of the change in valuation allowance on the benefit from income taxes was as follows:

	Three Months Ended
	March 31,
	2013			2012
	(In thousands)
Benefit from income taxes	$	(21,590	)	$	(6,062	)
Change in valuation allowance		22,729			7,425
Provision for income taxes	$	1,139		$	1,363