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Available-for-sale Securities, Gross Unrealized Losses, Market Value of Bonds Percent of Amortized Cost

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- Definition

Available for Sale Securities, Gross Unrealized Losses, Number of Securities

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- Definition

Available for Sale Securities, Gross Unrealized Losses, Number of Securities as a Percentage of Total Debt

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- Definition

Available-for-sale Securities, Gross Unrealized Losses, Number of Securities, Debt Maturities, Twelve Months or Greater

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- Definition

Available-for-sale Securities, Gross Unrealized Losses, Number of Securities, Debt Maturities, Twelve Months or Greater, Percent of Total

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- Definition

Liquidity Loss, Expected to be Recovered

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- Definition

Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Number of Securities

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- Definition

Other than Temporary Impairment Losses, number of securities rated investment grade

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Disclosure regarding factors used to determine that the impairment of securities categorized as held-to-maturity where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the number of investment positions in the held-to-maturity investments determined to be temporarily impaired.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 6

-Subparagraph (b)(3)

-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 03-1

-Paragraph 21

-Subparagraph b(3)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 FASB Staff Position (FSP)

-Number FAS115-1/124-1

-Paragraph 17

-Subparagraph b(3)

-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.

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- Definition

The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS115-1/124-1

-Paragraph 16B

-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 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 FASB Staff Position (FSP)

-Number FAS115-1/124-1

-Paragraph 15D

-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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS115-1/124-1

-Paragraph 15C

-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.

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Investments (Unrealized Losses) (Details) (USD $)	3 Months Ended
Investments (Unrealized Losses) (Details) (USD $)	Mar. 31, 2013 securities	Mar. 31, 2012	Sep. 30, 2012 Asset-Backed Security [Member] securities	Mar. 31, 2013 Equity Securities [Member] securities	Mar. 31, 2013 Debt Securities [Member] securities	Mar. 31, 2013 Debt Securities [Member] Investment Grade [Member] securities	Mar. 31, 2013 U.S. Treasury [Member] securities	Mar. 31, 2013 U.S. Agencies [Member] securities	Mar. 31, 2013 States and Political Subdivisions [Member] securities	Mar. 31, 2013 States and Political Subdivisions [Member] A Rating or Above [Member] securities	Mar. 31, 2013 States and Political Subdivisions [Member] BBB Plus [Member] securities	Mar. 31, 2013 States and Political Subdivisions [Member] BB Rating [Member] securities	Mar. 31, 2013 Foreign Governments [Member] securities	Mar. 31, 2013 Public Utilities [Member] securities	Mar. 31, 2013 Public Utilities [Member] BBB Minus or Above [Member] securities	Mar. 31, 2013 Corporate [Member] securities	Mar. 31, 2013 Corporate [Member] Below Investment Grade [Member] securities	Mar. 31, 2013 Mortgage-backed [Member] securities	Mar. 31, 2013 Mortgage-backed [Member] AA Plus Rating [Member] securities	Mar. 31, 2013 Home Equity [Member] securities	Mar. 31, 2013 Home Equity [Member] B or above [Member] securities	Mar. 31, 2013 Home Equity [Member] CC Rating [Member] securities	Mar. 31, 2013 Manufactured Housing [Member] securities
Available-for-Sale Securities and Held-to-Maturity Securities [Line Items]
Securities, other-than-temporarily impaired			2
Credit impairment reported in earnings	$ 61,000	$ 199,000	$ 100,000
Liquidity loss, not affecting current earnings, expected to be recovered			$ 400,000
Gross unrealized losses, number of issues					96
Gross unrealized losses, percentage of total debt					7.60%
Gross unrealized losses, market value as a percent of amortized cost					98.50%
Gross unrealized losses, number of securities with maturities of 12 months or greater					10
Gross unrealized losses, number of securities with maturities of 12 months or greater (as a percentage)					10.30%
Gross unrealized losses, number of securities rated investment grade				9		91	0	0	14	12	1	1	0	3	3	70	2	4	4	5	4	1	0
Other-than-temporarily impaired securities, number of securities rated investment grade	1			0