FEDERAL HOME LOAN BANK OF BOSTON ADVANCES AND OTHER BORROWED FUNDS - Federal Home Loan Bank of Boston advances (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Total
Overnight advances	$ 9,500
2018 advances		34,000
2019 advances	37,000
2020 advances	14,814	14,655
2021 advances	5,840	5,767
Total advances	$ 67,154	$ 54,422
Rate
Overnight rate	2.68%
2018 rate		2.04%
2019 rate	2.50%
2020 rate	1.98%	2.01%
2021 rate	2.27%	2.30%
Total weighted average rate	2.39%	2.06%

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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Interest rate of advances made and reported by Federal Home Loan Bank (FHLBank).

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No definition available.

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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 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 advances from Federal Home Loan Bank (FHLBank) maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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