Earnings per share (Tables)

12 Months Ended

Dec. 31, 2013

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)			2013		2012		2011
	Income from continuing operations		$	54,663	$	50,041	$	54,831
	Income from discontinued operations, net of income attributable to
		the noncontrolling interest		2,252		624,346		24,592
	Net income attributable to common stockholders – basic and diluted		$	56,915	$	674,387	$	79,423
	Weighted average shares outstanding – basic and diluted			5,109,055		5,107,610		5,106,568
	Income from continuing operations		$	10.70	$	9.80	$	10.74
	Income from discontinued operations, net			0.44		122.24		4.81
	Net income per common share – basic and diluted		$	11.14	$	132.04	$	15.55