Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Accounting Policies [Abstract]

Property, Plant and Equipment [Table Text Block]

Following are the major classes of depreciable assets and their estimated useful lives:

	Year Ended December 31,
	2012			2011
Land, building and improvements	$	11,823		$	11,823
Office furnishings, leasehold improvements, computer equipment and computer software	22,419			26,637
Transportation and construction equipment	169			268
Property and equipment	34,411			38,728
Accumulated depreciation	(23,972		)	(24,370		)
Property and equipment, net	$	10,439		$	14,358

	Estimated Useful Lives
Building and improvements	35 years
Office furnishings, leasehold improvements, computer equipment and computer software	3-7 years
Transportation and construction equipment	5-7 years

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

The summary of capitalized interest for the years ended December 31, 2012, 2011 and 2010 is as follows:

	Year Ended December 31,
(In thousands)	2012			2011			2010
Capitalized interest, beginning of period	$	18,869		$	20,075		$	23,670
Interest capitalized to inventory	9,975			9,743			9,744
Capitalized interest charged to cost of sales	(13,468		)	(10,949		)	(13,339		)
Capitalized interest, end of year	$	15,376		$	18,869		$	20,075
Interest incurred	$	26,046		$	24,748		$	19,159