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Fair Value Disclosures (Details) (USD $) | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | $ 22,401,659,000 | $ 22,291,614,000
Funds withheld at interest embedded derivatives | (156,189,000) | (243,177,000)
Short-term investments | 157,281,000 | 239,131,000
Other invested assets | 405,421,000 | 419,861,000
Cash and cash equivalents | 367,876,000 | 575,864,000
Total Assets | 23,176,048,000 | 23,283,293,000
Liabilities Fair Value Disclosure |  |
Interest-sensitive contract liabilities - embedded derivatives | 890,476,000 | 912,361,000
Other liabilities | 18,604,000 | 31,652,000
Total Liabilities | 909,080,000 | 944,013,000
Interest Rate Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 1,463,000 | 196,000
Credit Default Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | (120,000) | 1,953,000
Currency Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 10,687,000 | 27,398,000
Equity Securities Other Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | (440,000) |
Forward Contracts Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 7,014,000 | 2,105,000
Nonredeemable Preferred Stock Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 84,111,000 | 74,841,000
Equity Securities Other Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 136,554,000 | 147,859,000
Future Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Interest Rate Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 83,662,000 | 104,972,000
Forward Contracts Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 1,017,000
Credit Index Product Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 945,000 | 1,446,000
Credit Default Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | (3,391,000) | (1,741,000)
Equity Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 54,351,000 | 62,514,000
Currency Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 140,000 | 0
Securities Pledged As Collateral Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 25,790,000 | 17,002,000
Other [Member] |  |
Assets Fair Value Disclosure |  |
Other invested assets | 7,205,000 | 11,951,000
Interest Rate Options [Member] |  |
Assets Fair Value Disclosure |  |
Other invested assets | 16,054,000 |
Corporate Debt Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 12,441,501,000 | 12,380,071,000
Canadian Provincial Governments [Member] |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 3,942,198,000 | 4,049,334,000
Residential Mortgage Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 1,076,770,000 | 1,042,064,000
Asset Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 756,544,000 | 691,555,000
Commercial Mortgage Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 1,698,144,000 | 1,698,903,000
US Treasury And Government Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 331,201,000 | 265,190,000
US States And Political Subdivisions Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 313,097,000 | 302,498,000
Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 1,842,204,000 | 1,861,999,000
Fair Value Inputs Level 1 Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 598,605,000 | 533,349,000
Funds withheld at interest embedded derivatives | 0 | 0
Short-term investments | 118,621,000 | 178,923,000
Other invested assets | 231,323,000 | 225,401,000
Cash and cash equivalents | 367,876,000 | 575,864,000
Total Assets | 1,316,425,000 | 1,513,537,000
Liabilities Fair Value Disclosure |  |
Interest-sensitive contract liabilities - embedded derivatives | 0 | 0
Other liabilities | 0 | 0
Total Liabilities | 0 | 0
Fair Value Inputs Level 1 Member | Interest Rate Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 0 | 0
Fair Value Inputs Level 1 Member | Credit Default Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 0 | 0
Fair Value Inputs Level 1 Member | Currency Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 0 | 0
Fair Value Inputs Level 1 Member | Equity Securities Other Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 0 |
Fair Value Inputs Level 1 Member | Forward Contracts Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 0 | 0
Fair Value Inputs Level 1 Member | Nonredeemable Preferred Stock Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 73,446,000 | 64,268,000
Fair Value Inputs Level 1 Member | Equity Securities Other Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 136,554,000 | 147,859,000
Fair Value Inputs Level 1 Member | Future Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 1 Member | Interest Rate Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 1 Member | Forward Contracts Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 1 Member | Credit Index Product Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 1 Member | Credit Default Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 1 Member | Equity Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 1 Member | Currency Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 1 Member | Securities Pledged As Collateral Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 14,118,000 | 1,323,000
Fair Value Inputs Level 1 Member | Other [Member] |  |
Assets Fair Value Disclosure |  |
Other invested assets | 7,205,000 | 11,951,000
Fair Value Inputs Level 1 Member | Interest Rate Options [Member] |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 |
Fair Value Inputs Level 1 Member | Corporate Debt Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 65,890,000 | 43,544,000
Fair Value Inputs Level 1 Member | Canadian Provincial Governments [Member] |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 0 | 0
Fair Value Inputs Level 1 Member | Residential Mortgage Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 0 | 0
Fair Value Inputs Level 1 Member | Asset Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 0 | 0
Fair Value Inputs Level 1 Member | Commercial Mortgage Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 0 | 0
Fair Value Inputs Level 1 Member | US Treasury And Government Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 259,892,000 | 192,780,000
Fair Value Inputs Level 1 Member | US States And Political Subdivisions Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 0 | 0
Fair Value Inputs Level 1 Member | Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 272,823,000 | 297,025,000
Fair Value Inputs Level 2 Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 19,481,405,000 | 19,520,344,000
Funds withheld at interest embedded derivatives | 0 | 0
Short-term investments | 16,659,000 | 38,177,000
Other invested assets | 174,098,000 | 194,460,000
Cash and cash equivalents | 0 | 0
Total Assets | 19,672,162,000 | 19,752,981,000
Liabilities Fair Value Disclosure |  |
Interest-sensitive contract liabilities - embedded derivatives | 0 | 0
Other liabilities | 18,604,000 | 31,652,000
Total Liabilities | 18,604,000 | 31,652,000
Fair Value Inputs Level 2 Member | Interest Rate Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 1,463,000 | 196,000
Fair Value Inputs Level 2 Member | Credit Default Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | (120,000) | 1,953,000
Fair Value Inputs Level 2 Member | Currency Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 10,687,000 | 27,398,000
Fair Value Inputs Level 2 Member | Equity Securities Other Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | (440,000) |
Fair Value Inputs Level 2 Member | Forward Contracts Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 7,014,000 | 2,105,000
Fair Value Inputs Level 2 Member | Nonredeemable Preferred Stock Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 10,665,000 | 10,573,000
Fair Value Inputs Level 2 Member | Equity Securities Other Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 2 Member | Future Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 2 Member | Interest Rate Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 83,662,000 | 104,972,000
Fair Value Inputs Level 2 Member | Forward Contracts Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 1,017,000
Fair Value Inputs Level 2 Member | Credit Index Product Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 945,000 | 1,446,000
Fair Value Inputs Level 2 Member | Credit Default Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | (3,391,000) | (1,741,000)
Fair Value Inputs Level 2 Member | Equity Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 54,351,000 | 62,514,000
Fair Value Inputs Level 2 Member | Currency Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 140,000 | 0
Fair Value Inputs Level 2 Member | Securities Pledged As Collateral Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 11,672,000 | 15,679,000
Fair Value Inputs Level 2 Member | Other [Member] |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 2 Member | Interest Rate Options [Member] |  |
Assets Fair Value Disclosure |  |
Other invested assets | 16,054,000 |
Fair Value Inputs Level 2 Member | Corporate Debt Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 10,728,708,000 | 10,667,964,000
Fair Value Inputs Level 2 Member | Canadian Provincial Governments [Member] |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 3,942,198,000 | 4,049,334,000
Fair Value Inputs Level 2 Member | Residential Mortgage Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 936,053,000 | 948,133,000
Fair Value Inputs Level 2 Member | Asset Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 468,313,000 | 459,164,000
Fair Value Inputs Level 2 Member | Commercial Mortgage Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 1,522,850,000 | 1,531,897,000
Fair Value Inputs Level 2 Member | US Treasury And Government Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 71,309,000 | 67,872,000
Fair Value Inputs Level 2 Member | US States And Political Subdivisions Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 270,458,000 | 259,286,000
Fair Value Inputs Level 2 Member | Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 1,541,516,000 | 1,536,694,000
Fair Value Inputs Level 3 Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 2,321,649,000 | 2,237,921,000
Funds withheld at interest embedded derivatives | (156,189,000) | (243,177,000)
Short-term investments | 22,001,000 | 22,031,000
Other invested assets | 0 | 0
Cash and cash equivalents | 0 | 0
Total Assets | 2,187,461,000 | 2,016,775,000
Liabilities Fair Value Disclosure |  |
Interest-sensitive contract liabilities - embedded derivatives | 890,476,000 | 912,361,000
Other liabilities | 0 | 0
Total Liabilities | 890,476,000 | 912,361,000
Fair Value Inputs Level 3 Member | Interest Rate Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 0 | 0
Fair Value Inputs Level 3 Member | Credit Default Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 0 | 0
Fair Value Inputs Level 3 Member | Currency Swap Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 0 | 0
Fair Value Inputs Level 3 Member | Equity Securities Other Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 0 |
Fair Value Inputs Level 3 Member | Forward Contracts Member |  |
Liabilities Fair Value Disclosure |  |
Other liabilities | 0 | 0
Fair Value Inputs Level 3 Member | Nonredeemable Preferred Stock Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 3 Member | Equity Securities Other Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 3 Member | Future Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 3 Member | Interest Rate Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 3 Member | Forward Contracts Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 3 Member | Credit Index Product Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 3 Member | Credit Default Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 3 Member | Equity Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 3 Member | Currency Swap Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 3 Member | Securities Pledged As Collateral Member |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 3 Member | Other [Member] |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 | 0
Fair Value Inputs Level 3 Member | Interest Rate Options [Member] |  |
Assets Fair Value Disclosure |  |
Other invested assets | 0 |
Fair Value Inputs Level 3 Member | Corporate Debt Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 1,646,903,000 | 1,668,563,000
Fair Value Inputs Level 3 Member | Canadian Provincial Governments [Member] |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 0 | 0
Fair Value Inputs Level 3 Member | Residential Mortgage Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 140,717,000 | 93,931,000
Fair Value Inputs Level 3 Member | Asset Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 288,231,000 | 232,391,000
Fair Value Inputs Level 3 Member | Commercial Mortgage Backed Securities Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 175,294,000 | 167,006,000
Fair Value Inputs Level 3 Member | US Treasury And Government Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 0 | 4,538,000
Fair Value Inputs Level 3 Member | US States And Political Subdivisions Member |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | 42,639,000 | 43,212,000
Fair Value Inputs Level 3 Member | Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises |  |
Assets Fair Value Disclosure |  |
Fixed maturity securities, available-for-sale | $ 27,865,000 | $ 28,280,000

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- Definition Embedded derivatives related to funds held by the ceding insurer on behalf the reinsurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations thereunder, which represent an asset for the reinsurer. There is another concept for the corresponding liability of the ceding insurer. + References No definition available. + Details
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- Definition Fair Value, Liabilities Measured on Recurring Basis, Interest-sensitive contract liabilities - embedded derivatives. + References No definition available. + Details
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- Definition This element represents the aggregate of the liabilities reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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- Definition For an unclassified balance sheet, total of debt securities categorized neither as held-to-maturity nor trading. + References Reference 1: 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 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 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 Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 22 -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 5: 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. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 13 -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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -Subparagraph (b)-(g) -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 137 -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 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 16 -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 10: 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=6379932&loc=d3e22054-111558 + 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 includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Company may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7, 8, 9, 10 -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 Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7 -Footnote 1 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 8 -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. + Details
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