Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Indefinite-lived Intangible Assets by Segment [Table Text Block]

Indefinite-lived Intangible Assets:

(in thousands)	June 30, 2012		December 31, 2011		June 30, 2011
Goodwill1	$	9,900	$	9,900	$	9,900
Use rights and other	393		393		1,319
Total unamortized intangible assets	$	10,293	$	10,293	$	11,219

¹Goodwill for all periods presented primarily relates to our Construction segment.

Schedule of Finite-Lived Intangible Assets by Major Class

Amortized Intangible Assets:

June 30, 2012			Accumulated
(in thousands)	Gross Value		Amortization			Net Value
Permits	$	29,713	$	(9,494	)	$	20,219
Customer lists	2,198		(2,056		)	142
Covenants not to compete	1,588		(1,536		)	52
Other	871		(658		)	213
Total amortized intangible assets	$	34,370	$	(13,744	)	$	20,626

December 31, 2011
(in thousands)
Permits	$	29,713	$	(7,573	)	$	22,140
Customer lists	2,198		(1,942		)	256
Covenants not to compete	1,588		(1,476		)	112
Other	871		(583		)	288
Total amortized intangible assets	$	34,370	$	(11,574	)	$	22,796

June 30, 2011
(in thousands)
Permits	$	29,713	$	(6,837	)	$	22,876
Customer lists	2,198		(1,828		)	370
Covenants not to compete	1,588		(1,401		)	187
Other	871		(508		)	363
Total amortized intangible assets	$	34,370	$	(10,574	)	$	23,796