Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments And Contingencies [Abstract]

Future Minimum Payments Under Non-Cancelable Operating Leases

2012	$	3,599
2013		4,814
2014		4,563
2015		4,620
2016 and after		11,206
Total	$	28,802