Commitments And Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments And Contingencies [Abstract]

Schedule Of Future Minimum Operating Lease Payments

	Operating
	Leases
2013	$	2,674
2014		2,902
2015		2,868
2016		2,852
2017		2,907
Thereafter		12,423
Total minimum lease payments	$	26,626

Schedule Of Estimated Unreported Loss Liability And Any Related Recoverable Insurance Amounts

	2012		2011
Short-term liability	$	895	$	1,030
Long-term liability		755		960
Total liability		1,650		1,990
Short-term recoverable		320		350
Long-term recoverable		300		350
Total recoverable		620		700
Total net unreported loss liability	$	1,030	$	1,290