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Borrowed Money Borrowed Money Text Tag (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2013 | Sep. 30, 2011 | Sep. 30, 2009 | Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2003 | Sep. 17, 2003
Debt Disclosure [Abstract] |  |  |  |  |  |  |
Effective Interest Rate, FHLB advance |  |  |  | 2.13% |  |  |
Borrowing limit from FHLB % of assets |  |  |  | 30.00% |  |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available |  |  |  | $ 208,200 |  |  |
Federal Home Loan Bank of New York (“FHLB-NY”) stock, at cost |  |  |  | 1,768 | $ 2,171 |  |
Loans Pledged as Collateral |  |  |  | 28,700 |  |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds |  |  |  | 17,700 |  |  |
Accrued interest FHLB |  |  |  | 32 | 32 |  |
Financial Instruments, Owned and Pledged as Collateral, at Fair Value |  |  |  | 27,700 |  |  |
Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Long-term |  |  |  | 542 | 584 |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Repayment and Penalties | $ 25,000 |  |  |  |  |  |
Secured Debt, Repurchase Agreements |  |  |  | 0 | 1,000 |  |
Interest Payable, Repurchase Agreement |  |  |  |  | 3 |  |
Repurchase Agreements, Interest Expense Amount |  |  |  | $ 7 |  |  |
Available-for-sale Securities Pledged as Collateral |  |  |  |  | 1,500 |  |
subordinated debt issued shares (in shares) |  |  |  |  |  |  | 13,000
Liquidation amount subordinated debt (in dollars per share) |  |  |  |  |  |  | $ 1,000
Proceeds from Issuance of Long-term Debt |  |  |  |  |  | $ 13,000 |
Proceeds from (Payments for) Other Financing Activities |  |  |  |  |  | 400 |
Payments for Repurchase of Trust Preferred Securities |  |  |  |  |  | $ 13,400 |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 3.05% |  |  |
Decrease in Subordinated Debt Interest Payable |  |  |  | $ 2,500 |  |  |
Private placement subordinated debt |  |  | $ 5,000 |  |  |  |
Private placement subordinated debt interest rate 1st 7 years |  |  | 7.00% |  |  |  |
Private placement subordinated debt interest rate last 2 years |  |  | 12.00% |  |  |  |
Private placement subordinated debt reduced interest rate |  | 2.00% |  |  |  |  |
Accrued interest expense subordinated debt |  |  |  | 914 | 315 |  |
Interest Expense, Subordinated Notes and Debentures |  |  |  | $ 625 | $ 670 |  |

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- Definition Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22 (b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22 (b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The fair value as of the balance sheet date of financial instruments and other positions owned by the entity and pledged to counterparties as collateral, including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729 + Details
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- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5086-111524 + Details
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