FEDERAL HOME LOAN BANK OF BOSTON ADVANCES - Federal Home Loan Bank of Boston ("FHLBB") advances (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Total
2013 advances		$ 1,569
2014 advances	1,598	1,598
2015 advances	791	791
2016 advances	15,022	15,022
2017 advances	6,000	6,000
2018 advances	7,000	7,000
Total advances	30,411	31,980
Callable (1)
2013 advances
2014 advances
2015 advances
2016 advances	15,000	15,000
2017 advances	6,000	6,000
2018 advances
Total advances	21,000	21,000
Rate (2)
2013 advances
2013 rate		3.89%
2014 rate	3.87%	3.87%
2015 rate	3.88%	3.88%
2016 rate	4.08%	4.08%
2017 rate	4.05%	4.05%
2018 rate	3.74%	3.74%
Total weighted average rate	3.99%	3.99%

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

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Describes the weighted average interest rate applicable to the specific advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

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-Name Accounting Standards Codification

-Topic 210

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-Subparagraph (SX 210.5-02.19(b))

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Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from four to five years of the Balance Sheet date.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due within one year of the Balance Sheet date.

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-Publisher SEC

-Name Industry Guide

-Number 3

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from one to two years of the Balance Sheet date.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from three to four years of the Balance Sheet date.

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from two to three years of the Balance Sheet date.

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Amount of federal home loan bank advances maturing in the fifth fiscal year following the latest fiscal year.

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Amount of federal home loan bank advances maturing in the second fiscal year following the latest fiscal year.

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Amount of federal home loan bank advances maturing in the fourth fiscal year following the latest fiscal year.

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Amount of federal home loan bank advances maturing in the third fiscal year following the latest fiscal year.

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Amount of federal home loan bank advances maturing in the next fiscal year following the latest fiscal year.

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