Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Other Intangibles [Abstract]

Summary of goodwill and other intangible assets acquired

At December 31, 2012 and 2011, intangible assets consisted of the following:

	December 31,
	2012			2011
Goodwill	$	44,577		$	8,087
Other intangible assets:
Lease related intangibles	$	1,345		$	1,345
Non-compete agreements		30			30
Trade names		750			750
Gross carrying value of intangible assets subject to amortization		2,125			2,125
Less accumulated amortization		(1,064	)		(956	)
Net carrying value	$	1,061		$	1,169

Schedule of changes in the carrying amount of goodwill

The following table discloses the changes in the carrying amount of goodwill for the years ended December 31, 2012 and 2011:

	2012
	December 31, 2011			Additions		Impairments		December 31, 2012
Goodwill, gross	$	46,327		$	36,490	$	—	$	82,817
Accumulated impairment losses		(38,240	)		—		—		(38,240	)
Total goodwill, net	$	8,087		$	36,490	$	—	$	44,577
	2011
	December 31, 2010			Additions		Impairments		December 31, 2011
Goodwill, gross	$	38,240		$	8,087	$	—	$	46,327
Accumulated impairment losses		(38,240	)		—		—		(38,240	)
Total goodwill, net	$	—		$	8,087	$	—	$	8,087