Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in goodwill

The table below summarizes changes in goodwill recorded by the Company during the periods ended December 31, 2012 and December 31, 2011:

	December 31, 2012		December 31, 2011
Beginning balance, January 1	$	32,168	$	32,168
Additions	2,649		—
Ending balance	$	34,817	$	32,168

Schedule of changes and amortization of finite-lived intangible assets

The tables below present the activity and amortizations of finite-lived intangible assets:

	2012			2011
Intangible assets, January 1	$	6,900		$	6,900
Additions	702			—
Total intangible assets, end of year	7,602			6,900
Accumulated amortization	$	(6,900	)	$	(6,895	)
Current year amortization	(75		)	(5		)
Total accumulated amortization	(6,975		)	(6,900		)
Net intangible assets, end of year	$	627		$	—

Schedule of future amortization expense of acquired finite-lived intangible assets

The intangible assets were acquired in 2012 as part of the purchase of West Construction (see Note 3 above), and amortize over a period of one to three years, as follows:

	2013		2014		2015
Amortization	$	419	$	111	$	97