Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2011

Selected Quarterly Financial Data (unaudited) [Abstract]

Summary of quarterly financial information

	Quarter Ended
(Dollars in thousands, except per share data)	March 31			June 30			September 30			December 31
2011
Revenues from continuing operations	$	72,004		$	72,656		$	75,546		$	76,443
Income (loss) from continuing operations	$	(6,244	)	$	1,438		$	116		$	1,633
Discontinued operations		482			573			534			1,284
Net income (loss)		(5,762	)		2,011			650			2,917
Less: Income from noncontrolling interests		(27	)		—			(3	)		—
Net income (loss) attributable to common stockholders	$	(5,789	)	$	2,011		$	647		$	2,917
Basic earnings (loss) per common share:
Income (loss) from continuing operations	$	(0.10	)	$	0.02		$	0.00		$	0.02
Discontinued operations		0.01			0.01			0.01			0.02
Net income (loss) attributable to common stockholders	$	(0.09	)	$	0.03		$	0.01		$	0.04
Diluted earnings (loss) per common share:
Income (loss) from continuing operations	$	(0.10	)	$	0.02		$	0.00		$	0.02
Discontinued operations		0.01			0.01			0.01			0.02
Net income (loss) attributable to common stockholders	$	(0.09	)	$	0.03		$	0.01		$	0.04
2010
Revenues from continuing operations	$	62,277		$	63,213		$	63,808		$	66,376
Income from continuing operations	$	248		$	4,089		$	(1,865	)	$	(384	)
Discontinued operations		4,410			2,425			(1,442	)		766
Net income		4,658			6,514			(3,307	)		382
Less: (Income) loss from noncontrolling interests		(64	)		(40	)		59			(2	)
Net income attributable to common stockholders	$	4,594		$	6,474		$	(3,248	)	$	380
Basic earnings per common share:
Income from continuing operations	$	0.00		$	0.07		$	(0.03	)	$	(0.01	)
Discontinued operations		0.08			0.04			(0.02	)		0.02
Net income attributable to common stockholders	$	0.08		$	0.11		$	(0.05	)	$	0.01
Diluted earnings per common share:
Income from continuing operations	$	0.00		$	0.07		$	(0.03	)	$	(0.01	)
Discontinued operations		0.08			0.03			(0.02	)		0.02
Net income attributable to common stockholders	$	0.08		$	0.10		$	(0.05	)	$	0.01