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Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) | 12 Months Ended |  | 12 Months Ended
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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 |  |  |  |  |  |  |

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