Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies [Abstract]

Future minimum rental payments required under non-cancellable leases

Future minimum rental payments required under non-cancelable leases are as follows:

Year	Amount
2013	$	3,371
2014		2,864
2015		2,575
2016		1,931
2017		1,487
Thereafter		165
Total	$	12,393