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Investment Securities (Contractual Maturities of Securities) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013
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Contractual maturities of securities |
Available for Sale, Cost Basis, After 1 year but within 5 years | $ 13,843
Available for Sale, Cost Basis, After 5 years but within 10 years | 15,661
Available for Sale, Cost Basis, After 10 years but within15 years | 56,008
Available for Sale, Cost Basis, Over 15 years | 55,259
Available for Sale, Cost Basis, Total | 140,771
Available for Sale, Fair Value, After 1 year but within 5 years | 13,881
Available for Sale, Fair Value, After 5 years but within 10 years | 16,419
Available for Sale, Fair Value, After 10 years but within15 years | 58,367
Available for Sale, Fair Value, Over 15 years | 57,822
Available for Sale, Fair Value, Total | 146,489
Held to Maturity, Cost Basis, Within 1 year | 2,000
Held to Maturity, Cost Basis, After 1 year but within 5 years | 1,000
Held to Maturity, Cost Basis, After 5 years but within 10 years | 761
Held to Maturity, Cost Basis, After 10 years but within 15 years | 1,012
Held to Maturity, Cost Basis, Over 15 years | 11,604
Held to Maturity, Cost Basis, Total | 16,377
Held to Maturity, Fair Value, Within 1 year | 1,999
Held to Maturity, Fair Value, After 1 year but within 5 years | 995
Held to Maturity, Fair Value, After 5 years but within 10 years | 751
Held to Maturity, Fair Value, After 10 years but within 15 years | 1,017
Held to Maturity, Fair Value, Over 15 years | 12,085
Held to Maturity, Fair Value, Total | 16,847
U.S. Agency [Member] |
Contractual maturities of securities |
Available for Sale, Cost Basis, After 1 year but within 5 years | 5,850
Available for Sale, Cost Basis, After 5 years but within 10 years | 1,000
Available for Sale, Cost Basis, After 10 years but within15 years |
Available for Sale, Cost Basis, Over 15 years |
Available for Sale, Cost Basis, Total | 6,850
Available for Sale, Fair Value, After 1 year but within 5 years | 5,911
Available for Sale, Fair Value, After 5 years but within 10 years | 992
Available for Sale, Fair Value, After 10 years but within15 years |
Available for Sale, Fair Value, Over 15 years |
Available for Sale, Fair Value, Total | 6,903
U.S. Agency mortgage-backed securities [Member] |
Contractual maturities of securities |
Available for Sale, Cost Basis, After 1 year but within 5 years |
Available for Sale, Cost Basis, After 5 years but within 10 years | 13,661
Available for Sale, Cost Basis, After 10 years but within15 years | 56,008
Available for Sale, Cost Basis, Over 15 years | 55,259
Available for Sale, Cost Basis, Total | 124,928
Available for Sale, Fair Value, After 1 year but within 5 years |
Available for Sale, Fair Value, After 5 years but within 10 years | 14,424
Available for Sale, Fair Value, After 10 years but within15 years | 58,367
Available for Sale, Fair Value, Over 15 years | 57,822
Available for Sale, Fair Value, Total | 130,613
Held to Maturity, Cost Basis, Within 1 year |
Held to Maturity, Cost Basis, After 1 year but within 5 years |
Held to Maturity, Cost Basis, After 5 years but within 10 years | 761
Held to Maturity, Cost Basis, After 10 years but within 15 years |
Held to Maturity, Cost Basis, Over 15 years | 10,609
Held to Maturity, Cost Basis, Total | 11,370
Held to Maturity, Fair Value, Within 1 year |
Held to Maturity, Fair Value, After 1 year but within 5 years |
Held to Maturity, Fair Value, After 5 years but within 10 years | 751
Held to Maturity, Fair Value, After 10 years but within 15 years |
Held to Maturity, Fair Value, Over 15 years | 11,093
Held to Maturity, Fair Value, Total | 11,844
Corporate bonds [Member] |
Contractual maturities of securities |
Available for Sale, Cost Basis, After 1 year but within 5 years | 7,993
Available for Sale, Cost Basis, After 5 years but within 10 years | 1,000
Available for Sale, Cost Basis, After 10 years but within15 years |
Available for Sale, Cost Basis, Over 15 years |
Available for Sale, Cost Basis, Total | 8,993
Available for Sale, Fair Value, After 1 year but within 5 years | 7,970
Available for Sale, Fair Value, After 5 years but within 10 years | 1,003
Available for Sale, Fair Value, After 10 years but within15 years |
Available for Sale, Fair Value, Over 15 years |
Available for Sale, Fair Value, Total | 8,973
Corporate bonds and other securities [Member] |
Contractual maturities of securities |
Held to Maturity, Cost Basis, Within 1 year | 2,000
Held to Maturity, Cost Basis, After 1 year but within 5 years | 1,000
Held to Maturity, Cost Basis, After 5 years but within 10 years |
Held to Maturity, Cost Basis, After 10 years but within 15 years | 1,012
Held to Maturity, Cost Basis, Over 15 years | 995
Held to Maturity, Cost Basis, Total | 5,007
Held to Maturity, Fair Value, Within 1 year | 1,999
Held to Maturity, Fair Value, After 1 year but within 5 years | 995
Held to Maturity, Fair Value, After 5 years but within 10 years |
Held to Maturity, Fair Value, After 10 years but within 15 years | 1,017
Held to Maturity, Fair Value, Over 15 years | 992
Held to Maturity, Fair Value, Total | $ 5,003

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- Definition Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + References Reference 1: 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 7 -Footnote 2 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 20 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + References Reference 1: 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 7 -Footnote 2 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7534914&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 12 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Available-for-Sale Securities -URI http://asc.fasb.org/extlink&oid=6505594 + Details
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- Definition Amount of held-to-maturity debt securities at fair value maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 20 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 + Details
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- Definition Amount of held-to-maturity debt securities at fair value maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 + Details
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- Definition Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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 + Details
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- Definition Amount of held-to-maturity debt securities at fair value maturing in the next fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 20 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 + Details
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- Definition Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing in the next fiscal year following the latest fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 7 -Footnote 2 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 20 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant