Goodwill (Tables)

9 Months Ended

Sep. 30, 2012

Goodwill [Abstract]

Summary of changes in carrying amount of goodwill

The changes in the carrying amount of goodwill consisted of the following (in thousands):

	Nine Months Ended September 30, 2012
Beginning balance	$	92,750
Goodwill acquired during the period		10,066
Goodwill allocated to specific assets for business acquired in 2011		(3,300	)
Goodwill adjustments for purchase price allocation of business acquired in 2011		200
Ending balance	$	99,716