Discontinued Operations, Net of Tax - Additional Information (Detail) (USD $)	1 Months Ended	9 Months Ended
	Jul. 31, 2013	Sep. 30, 2013	Sep. 30, 2012
Schedule Of Discontinued Operations [Line Items]
Estimated fair value of collateral on foreclosed loans	$ 2,300,000		$ 1,481,000
Property sold	1,175,000
Gain (loss) recorded	0
Cash Proceeds From Sale of Property	200,000	965,000
Gain (loss) from sales of property	0	(15,000)
Property One [Member]
Schedule Of Discontinued Operations [Line Items]
Property sold			1,375,000
Gain (loss) recorded			0
Cash Proceeds From Sale of Property			550,000
Gain (loss) from sales of property			0
Real estate owned acquired through foreclosure sold during the period financing amount			825,000
Other Property [Member]
Schedule Of Discontinued Operations [Line Items]
Estimated fair value of collateral on foreclosed loans			76,000
Gain (loss) from sales of property			$ (19,000)