Quarterly Financial Information (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Quarterly Financial Information Disclosure [Abstract]
Net revenues	$ 79,134		$ 77,335		$ 75,820		$ 75,783		$ 76,416		$ 79,198		$ 77,817		$ 76,036		$ 308,072	$ 309,467	$ 285,594
Professional liability expense	4,898	[1]	2,643	[1]	2,201	[1]	2,222	[1]	3,413	[2]	4,389	[2]	1,038	[2]	1,626	[2]	11,964	10,466	5,140
Income (loss) from continuing operations	(869)		180		125		(1,311)		(1,123)		(779)		4,702		1,290		(3,217)	1,186	3,630
Income (loss) from discontinued operations, net of tax	120		262		8		(93)		16		30		167		(32)		297	181	219
Net income (loss)	$ (1,234)		$ (82)		$ (534)		$ (1,540)		$ (1,221)		$ (959)		$ 2,851		$ 352		$ (3,046)	$ 1,367	$ 3,849
Per common share - basic
Continuing operations (in dollars per share)	$ (0.23)		$ (0.06)		$ (0.09)		$ (0.25)		$ (0.21)		$ (0.17)		$ 0.46		$ 0.07		$ (0.63)	$ 0.15	$ 0.57
Discontinued operations (in dollars per share)	$ 0.02		$ 0.05		$ 0.00		$ (0.02)		$ 0.00		$ 0.01		$ 0.03		$ (0.01)		$ 0.05	$ 0.03	$ 0.04
Net income (loss) (in dollars per share)	$ (0.21)		$ (0.01)		$ (0.09)		$ (0.27)		$ (0.21)		$ (0.16)		$ 0.49		$ 0.06		$ (0.58)	$ 0.18	$ 0.61
Per common share - diluted
Continuing operations (in dollars per share)	$ (0.23)		$ (0.06)		$ (0.09)		$ (0.25)		$ (0.21)		$ (0.17)		$ 0.45		$ 0.07		$ (0.63)	$ 0.14	$ 0.56
Discontinued operations (in dollars per share)	$ 0.02		$ 0.05		$ 0.00		$ (0.02)		$ 0.00		$ 0.01		$ 0.03		$ (0.01)		$ 0.05	$ 0.03	$ 0.04
Net income (loss) (in dollars per share)	$ (0.21)		$ (0.01)		$ (0.09)		$ (0.27)		$ (0.21)		$ (0.16)		$ 0.48		$ 0.06		$ (0.58)	$ 0.17	$ 0.60

[1] The Company's quarterly results are significantly affected by the amounts recorded for professional liability expense, as discussed further in Note 11. The amount of expense recorded for professional liability in each quarter of 2012 is set forth in the table above.

[2] The Company's quarterly results are significantly affected by the amounts recorded for professional liability expense, as discussed further in Note 11. The amount of expense recorded for professional liability in each quarter of 2011 is set forth in the table above.