Basis of Presentation - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2013 Office	Dec. 31, 2012
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Commencement of operation	May 01, 2003
Shares received by bank shareholders description	six shares for every five shares held
Number of banking offices	5
Held to maturity investments	$ 0	$ 0
Originate guaranteed loans for sales	$ 0	$ 0
Interim impairment test beginning date	beginning after September 15, 2012
Surrey Bank & Trust [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Commencement of operation	Jul. 22, 1996
Date of incorporation	Jul. 15, 1996
Surrey Investment Services Inc. [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Date of incorporation	Feb. 10, 1998
Freedom Finance, LLC [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Date of incorporation	Jul. 31, 2000