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Earnings Per Common Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Earnings (loss) per common share:
Net income attributable to common stockholders	$ 494	$ 1,653
Weighted average basic shares	8,053,497	7,949,571
Dilutive effect of preferred stocks, stock options and restricted stock units	571,761	1,433,807
Total weighted average diluted shares	8,625,258	9,383,378
Earnings per common share:
Basic	$ 0.06	$ 0.21
Dilutive	$ 0.06	$ 0.18

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