Earnings per Share (Detail) - The Computations of Basic and Diluted Earnings (Loss) Per Share (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Continuing Operations:
Net income (loss) from continuing operations attributable to shareholders	$ 280		$ (850)		$ 351		$ 1,026
Net income (loss) from continuing operations attributable to common shareholders	263		(850)		327		959
Discontinued Operations:
Discontinued operations attributable to shareholders	0		0		1,406		0
Discontinued operations attributable to common shareholders	0		0		1,310		0
Share information:
Basic weighted average common shares(ii)	17,006,922	[1]	16,916,304	[1]	17,003,056	[1]	16,916,304	[1]
Potential dilutive securities(iii)	134	[2]	0	[2]	25	[2]	1,962	[2]
Diluted weighted average common shares	17,007,056		16,916,304		17,003,081		16,918,266
Basic earnings (loss) per share
Income (loss) from continuing operations (dollars per share)	$ 0.02		$ (0.05)		$ 0.02		$ 0.06
Income (loss) from discontinued operations (dollars per share)	$ 0.00		$ 0.00		$ 0.08		$ 0.00
Net income (loss) (dollars per share)	$ 0.02		$ (0.05)		$ 0.10		$ 0.06
Diluted earnings (loss) per share
Income (loss) from continuing operations (dollars per share)	$ 0.02		$ (0.05)		$ 0.02		$ 0.06
Income (loss) from discontinued operations (dollars per share)	$ 0.00		$ 0.00		$ 0.08		$ 0.00
Net income (loss) (dollars per share)	$ 0.02		$ (0.05)		$ 0.10		$ 0.06
Continuing Operations [Member]
Continuing Operations:
Less: Amounts allocated to participating securities (nonvested shares and units)(i)	17	[3]	0	[3]	24	[3]	67	[3]
Discontinued Operations:
Less: Amounts allocated to participating securities (nonvested shares and units)(i)	17	[3]	0	[3]	24	[3]	67	[3]
Gain On Sale Of Discontinued Operations [Member]
Continuing Operations:
Less: Amounts allocated to participating securities (nonvested shares and units)(i)	0	[3]	0	[3]	96	[3]	0	[3]
Discontinued Operations:
Less: Amounts allocated to participating securities (nonvested shares and units)(i)	$ 0	[3]	$ 0	[3]	$ 96	[3]	$ 0	[3]

[1] Under the two-class method, basic weighted average common shares exclude outstanding nonvested participating securities consisting of restricted share awards of 724,012 and 998,143 for the quarters and year to date periods ended June 30, 2013 and 2012, respectively.

[2] Anti-dilutive shares related to stock options totaled 18,000 and 20,000 for the quarters ended June 30, 2013 and 2012, respectively

[3] Participating securities include 724,012 and 998,143 nonvested restricted shares for the quarters and year to date periods ended June 30, 2013 and 2012, respectively, as well as 421,014 and 200,764 restricted share units for the quarters and year to date periods ended June 30, 2013 and 2012, respectively.