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Securities | 12 Months Ended
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Mar. 31, 2012
Securities [Abstract] |
Marketable Securities [Text Block] | SECURITIES The following is a summary of securities at March 31, 2012:
$ in thousands | Amortized |  | Gross Unrealized |  | Estimated
| Cost |  | Gains |  | Losses |  | Fair-Value
Available-for-Sale: |  |  |  |  |  |  |
Mortgage-backed securities: |  |  |  |  |  |  |
Government National Mortgage Association | $ | 31,100 |  |  | $ | 269 |  |  | $ | (23 | ) |  | $ | 31,346 |
Federal Home Loan Mortgage Corporation | 7,468 |  |  | 8 |  |  | (1 | ) |  | 7,475 |
Federal National Mortgage Association | 7,214 |  |  | 50 |  |  | (1 | ) |  | 7,263 |
Other | — |  |  | — |  |  | — |  |  | — |
Total mortgage-backed securities | 45,782 |  |  | 327 |  |  | (25 | ) |  | 46,084 |
U.S. Government Agency Securities | 23,176 |  |  | 91 |  |  | (63 | ) |  | 23,204 |
U.S. Government Securities | 3,356 |  |  | 6 |  |  | (1 | ) |  | 3,361 |
Corporate Bonds | 1,890 |  |  | 58 |  |  | — |  |  | 1,948 |
Other | 10,536 |  |  | — |  |  | (27 | ) |  | 10,509 |
Total available-for-sale | 84,740 |  |  | 482 |  |  | (116 | ) |  | 85,106 |
Held-to-Maturity: |  |  |  |  |  |  |
Mortgage-backed securities: |  |  |  |  |  |  |
Government National Mortgage Association | 6,659 |  |  | 473 |  |  | — |  |  | 7,132 |
Federal Home Loan Mortgage Corporation | 2,794 |  |  | 134 |  |  | — |  |  | 2,928 |
Federal National Mortgage Association | 1,628 |  |  | 86 |  |  | — |  |  | 1,714 |
Total mortgage-backed securities | 11,081 |  |  | 693 |  |  | — |  |  | 11,774 |
Total held-to-maturity | 11,081 |  |  | 693 |  |  | — |  |  | 11,774 |
Total securities | $ | 95,821 |  |  | $ | 1,175 |  |  | $ | (116 | ) |  | $ | 96,880 |
The following is a summary of securities at March 31, 2011:
$ in thousands | Amortized |  | Gross Unrealized |  | Estimated
| Cost |  | Gains |  | Losses |  | Fair-Value
Available-for-Sale: |  |  |  |  |  |  |
Mortgage-backed securities: |  |  |  |  |  |  |
Government National Mortgage Association | $ | 30,162 |  |  | $ | 150 |  |  | $ | (115 | ) |  | $ | 30,197 |
Federal Home Loan Mortgage Corporation | 1,864 |  |  | — |  |  | (13 | ) |  | 1,851 |
Federal National Mortgage Association | 4,286 |  |  | — |  |  | (63 | ) |  | 4,223 |
Other | 45 |  |  | — |  |  | — |  |  | 45 |
Total mortgage-backed securities | 36,357 |  |  | 150 |  |  | (191 | ) |  | 36,316 |
U.S. Government Agency Securities | 14,968 |  |  | — |  |  | (277 | ) |  | 14,691 |
U.S. Government Securities | $ | 2,547 |  |  | $ | — |  |  | $ | (3 | ) |  | $ | 2,544 |
Total available-for-sale | $ | 53,872 |  |  | $ | 150 |  |  | $ | (471 | ) |  | $ | 53,551 |
Held-to-Maturity: |  |  |  |  |  |  |
Mortgage-backed securities: |  |  |  |  |  |  |
Government National Mortgage Association | $ | 7,598 |  |  | $ | 206 |  |  | $ | — |  |  | $ | 7,804 |
Federal Home Loan Mortgage Corporation | 8,210 |  |  | 131 |  |  | — |  |  | 8,341 |
Federal National Mortgage Association | 1,889 |  |  | 90 |  |  | — |  |  | 1,979 |
Total mortgage-backed securities | 17,697 |  |  | 427 |  |  | — |  |  | 18,124 |
Total held-to-maturity | 17,697 |  |  | 427 |  |  | — |  |  | 18,124 |
Total securities | $ | 71,569 |  |  | $ | 577 |  |  | $ | (471 | ) |  | $ | 71,675 |
The following is a summary regarding securities sales and/or calls of the available-for-sale portfolio for the years ended March 31:
$ in thousands | 2012 |  | 2011 |  | 2010
Available-for-Sale: |  |  |  |  |
Proceeds | $ | 16,847 |  |  | $ | 48,399 |  |  | $ | 25,239 |
Gross gains | 8 |  |  | 871 |  |  | 457 |
Gross losses | — |  |  | 107 |  |  | 11 |
The Bank's investment portfolio is comprised primarily of fixed-rate mortgage-backed securities guaranteed by a Government Sponsored Enterprise (“GSE”) as issuer, commercial mortgage obligations ("CMOs") and Agency securities. Carver maintains a portfolio of mortgage-backed securities in the form of Government National Mortgage Association (“GNMA”) pass-through certificates, Federal National Mortgage Association (“FNMA”) and Federal Home Loan Mortgage Corp (“FHLMC”) participation certificates. GNMA pass-through certificates are guaranteed as to the payment of principal and interest by the full faith and credit of the United States Government while FNMA and FHLMC certificates are each guaranteed by their respective agencies as to principal and interest. Based on the high quality of the Bank's investment portfolio, current market conditions have not significantly impacted the pricing of the portfolio or the Bank's ability to obtain reliable prices. The net unrealized gain on available-for-sale securities was $0.4 million after taxes at March 31, 2012 compared to a net unrealized loss of $0.2 million after taxes at March 31, 2011. There were no sales of held-to-maturity securities in fiscal 2012, 2011 or 2010. At March 31, 2012 the Bank pledged securities of $22 million as collateral for advances from the FHLB-NY, and $127 thousand against certain large deposits. The following is a summary of the carrying value (amortized cost) and fair value of securities at March 31, 2012, by remaining period to contractual maturity (ignoring earlier call dates, if any). Actual maturities may differ from contractual maturities because certain security issuers have the right to call or prepay their obligations. The table below does not consider the effects of possible prepayments or unscheduled repayments.
$ in thousands | Amortized Cost |  | Fair Value |  | Weighted Avg Rate
Available-for-Sale: |  |  |  |  |
Less than one year | $ | 3,356 |  |  | $ | 3,361 |  |  | 0.63 | %
One through five years | 16,085 |  |  | 16,219 |  |  | 1.28 | %
Five through ten years | 14,160 |  |  | 14,144 |  |  | 2.28 | %
After ten years | 51,139 |  |  | 51,382 |  |  | 2.59 | %
| $ | 84,740 |  |  | $ | 85,106 |  |  | 2.21 | %
Held-to-maturity: |  |  |  |  |
One through five years | $ | — |  |  | $ | — |  |  | - % |
Five through ten years | 229 |  |  | 239 |  |  | 4.42 | %
After ten years | 10,852 |  |  | 11,535 |  |  | 4.53 | %
| $ | 11,081 |  |  | $ | 11,774 |  |  | 4.53 | %
The unrealized losses and fair value of securities in an unrealized loss position at March 31, 2012 for less than 12 months and 12 months or longer were as follows:
$ in thousands | Less than 12 months |  | 12 months or longer |  | Total
| Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value
Available-for-Sale: |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities | $ | (24 | ) |  | $ | 13,699 |  |  | $ | — |  |  | $ | — |  |  | $ | (24 | ) |  | $ | 13,699 |
Agencies | (64 | ) |  | 9,917 |  |  | — |  |  | — |  |  | (64 | ) |  | 9,917 |
Treasuries | (1 | ) |  | 1,555 |  |  | — |  |  | — |  |  | (1 | ) |  | 1,555 |
Others | (27 | ) |  | 9,973 |  |  | — |  |  | — |  |  | (27 | ) |  | 9,973 |
Total available-for-sale securities | (116 | ) |  | 35,144 |  |  | — |  |  | — |  |  | (116 | ) |  | 35,144 |
The unrealized losses and fair value of securities in an unrealized loss position at March 31, 2011 were as follows:
$ in thousands | Less than 12 months |  | 12 months or longer |  | Total
| Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value
Available-for-Sale: |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities | $ | (191 | ) |  | $ | 11,534 |  |  | $ | — |  |  | $ | — |  |  | $ | (191 | ) |  | $ | 11,534 |
Agencies | (280 | ) |  | 17,235 |  |  | — |  |  | — |  |  | (280 | ) |  | 17,235 |
Total available-for-sale | $ | (471 | ) |  | $ | 28,769 |  |  | $ | — |  |  | $ | — |  |  | $ | (471 | ) |  | $ | 28,769 |
Held-to-Maturity: |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities | $ | — |  |  | $ | 345 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 345 |
Other | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total held-to-maturity | — |  |  | 345 |  |  | — |  |  | — |  |  | — |  |  | 345 |
Total securities | $ | (471 | ) |  | $ | 29,114 |  |  | $ | — |  |  | $ | — |  |  | $ | (471 | ) |  | $ | 29,114 |
A total of 14 securities had an unrealized loss at March 31, 2012 compared to 16 at March 31, 2011, based on estimated fair value. The majority of the securities in an unrealized loss position were mortgage backed securities, and U.S. Treasury securities, which represented 87.6% and 91.2% of total securities which had an unrealized loss at March 31, 2012 and 2011, respectively. The cause of the temporary impairment is directly related to changes in interest rates. In general, as interest rates decline, the fair value of securities will rise, and conversely as interest rates rise, the fair value of securities will decline. Management considers fluctuations in fair value as a result of interest rate changes to be temporary, which is consistent with the Bank's experience. The impairments are deemed temporary based on the direct relationship of the rise in fair value to movements in interest rates, the life of the investments and their high credit quality. Unrealized losses identified as other than temporary are recognized in earnings when there are losses on a debt security which management does not intend to sell, and for which it is more-likely-than-not that the entity will not be required to sell the security prior to the recovery of the non-credit impairment. In those situations, the portion of the total impairment that is attributable to the credit loss would be recognized in earnings, and the remaining difference between the debt security's amortized cost basis and its fair value would be included in other comprehensive income. At March 31, 2012 and 2011 the Bank does not have any other securities that may be classified as having other than temporary impairment in its investment portfolio.

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2,12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 + Details
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