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Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
 12 Months Ended 12 Months Ended
Dec. 31, 2013
RiskRating
Dec. 31, 2012
Dec. 31, 2013
Vesting Period One [Member]
Dec. 31, 2013
Vesting Period Two [Member]
Dec. 31, 2013
Vesting Period Three [Member]
Dec. 31, 2012
Internal Revenue Service (IRS) [Member]
Dec. 31, 2010
Internal Revenue Service (IRS) [Member]
Dec. 31, 2013
Internal Revenue Service (IRS) [Member]
Dec. 31, 2013
FHLB [Member]
Dec. 31, 2013
Federal Reserve Bank Stock [Member]
Dec. 31, 2013
Connecticut [Member]
Branch
Dec. 31, 2013
New York [Member]
Branch
Summary Of Significant Accounting Policies And Recent Accounting Pronouncements [Line Items]                        
Number of branches                     7 2
Maturity of federal funds 1 day                      
Maturity of liquid debt instruments three months or less                      
Par value of stock purchased and redeemed                 $ 100 $ 100    
Investment in capital stock of Federal Reserve Bank Description                   one percent of six percent of the Bank's total equity capital    
Federal Reserve Bank stock percentage, cumulative changes 15.00%                      
Federal Reserve Bank stock, cumulative changes 100                      
Cumulative changes, description                 Cumulative change exceeds the lesser of 15% or 100 shares of Federal Reserve Bank stock      
Duration of discontinuation of loan 90 days                      
Duration of consumer installment loans 180 days                      
Term of the loan agreement 6 months                      
Assigns risk rating Minimum 1                      
Assigns risk rating Maximum 11                      
Loans assigned risk rating six or above                      
Maximum risk rate of loans that are monitored 6 months                      
Cumulative prior period 2 years                      
Period for appraisal 120 days                      
Estimated useful lives of related assets Three to thirty years                      
Tax benefits recognized 50.00%                      
Unrecognized tax benefits $ 0                      
Unrecognized tax benefit related interest or penalties 0                      
Changes made by the IRS to the Company's reported tax               $ 0        
Returns subject to examination           2012 2010          
Years for which examination completed   IRS has completed its examination of the U.S. federal tax returns of the Company for tax years ended December 31, 2004 thru 2009                    
Restricted stock grants vesting period     3 years 4 years 5 years