Earnings per share (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

			For the Years Ended December 31,
(Amounts in thousands, except share and per share amounts)			2012		2011		2010
	Income from continuing operations		$	50,041	$	54,831	$	49,159
	Income from discontinued operations, net of income attributable to
		the noncontrolling interest		624,346		24,592		17,270
	Net income attributable to common stockholders – basic and diluted		$	674,387	$	79,423	$	66,429
	Weighted average shares outstanding – basic and diluted			5,107,610		5,106,568		5,105,936
	Income from continuing operations		$	9.80	$	10.74	$	9.63
	Income from discontinued operations, net			122.24		4.81		3.38
	Net income per common share – basic and diluted		$	132.04	$	15.55	$	13.01