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Net Investment and Interest Income (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Mar. 31, 2013 | Mar. 31, 2012 | Mar. 31, 2011
Investment Income, Interest and Dividend [Abstract] |  |  |
Fixed maturities | $ 50,696 | $ 41,439 | $ 32,782
Real estate | 380 | 81 | 361
Insurance policy loans | 1,126 | 489 | 259
Mortgage loans | 17,952 | 7,002 | 5,249
Short-term, amounts held by ceding reisurers, net and other | 367 | 1,084 | 749
Investment income | 70,521 | 50,095 | 39,400
Less: investment expenses | (1,375) | (1,338) | (1,269)
Investment income, related party | 13,757 | 24,795 | 24,614
Net investment and interest income | $ 82,903 | $ 73,552 | $ 62,745

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- Definition We provide a subtotal of our investment income on both interest and dividend prior to adding investment income from related party and deducting investment expenses. + References No definition available. + Details
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- Definition Income derived from investments in debt and equity securities and on cash and cash equivalents. Interest income represents earnings which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. Dividend income represents a distribution of earnings to shareholders by investee companies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 14 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a, b -Article 5 + Details
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- Definition Total expenses related to the generation of investment income in debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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