v2.4.0.6

FAIR VALUE MEASUREMENTS (DETAILS 3) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010
Fixed Maturities [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at beginning of period | $ 64,406 | $ 70,763
Total net realized and unrealized gains included in net income | 0 | 0
Total net realized and unrealized losses included in net income | 0 | (3,384)
Change in net unrealized gains included in other comprehensive income | 5,412 | 8,660
Change in net unrealized losses included in other comprehensive income | (997) | (370)
Purchases | 0 | 27,704
Sales | 0 | (2,433)
Settlements / distributions | (2,139) | (2,895)
Transfers into Level 3 | 1,891 | 781
Transfers out of Level 3 | (17,695) | (34,420)
Balance at end of period | 50,878 | 64,406
Level 3 gains / (losses) included in earnings attributable to the change in unrealized gains / losses relating to those assets and liabilities held at the reporting date | 0 | (1,550)
Alternative Investments [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at beginning of period | 519,296 | 520,188
Total net realized and unrealized gains included in net income | 74,497 | 60,969
Total net realized and unrealized losses included in net income | (43,498) | 0
Change in net unrealized gains included in other comprehensive income | 0 | 0
Change in net unrealized losses included in other comprehensive income | 0 | 0
Purchases | 195,000 | 65,000
Sales | (25,268) | (99,822)
Settlements / distributions | (45,720) | (27,039)
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | (261,503) | 0
Balance at end of period | 412,804 | 519,296
Level 3 gains / (losses) included in earnings attributable to the change in unrealized gains / losses relating to those assets and liabilities held at the reporting date | 31,855 | 60,969
Total Assets [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at beginning of period | 583,702 | 590,951
Total net realized and unrealized gains included in net income | 74,497 | 60,969
Total net realized and unrealized losses included in net income | (43,498) | (3,384)
Change in net unrealized gains included in other comprehensive income | 5,412 | 8,660
Change in net unrealized losses included in other comprehensive income | (997) | (370)
Purchases | 195,000 | 92,704
Sales | (25,268) | (102,255)
Settlements / distributions | (47,859) | (29,934)
Transfers into Level 3 | 1,891 | 781
Transfers out of Level 3 | (279,198) | (34,420)
Balance at end of period | 463,682 | 583,702
Level 3 gains / (losses) included in earnings attributable to the change in unrealized gains / losses relating to those assets and liabilities held at the reporting date | 31,855 | 59,419
Corporate Debt [Member] | Fixed Maturities [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at beginning of period | 1,550 | 18,130
Total net realized and unrealized gains included in net income | 0 | 0
Total net realized and unrealized losses included in net income | 0 | (1,550)
Change in net unrealized gains included in other comprehensive income | 0 | 2,201
Change in net unrealized losses included in other comprehensive income | 0 | (34)
Purchases | 0 | 0
Sales | 0 | (12)
Settlements / distributions | 0 | 0
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | (17,185)
Balance at end of period | 1,550 | 1,550
Level 3 gains / (losses) included in earnings attributable to the change in unrealized gains / losses relating to those assets and liabilities held at the reporting date | 0 | (1,550)
CMBS [Member] | Fixed Maturities [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at beginning of period | 0 | 2,409
Total net realized and unrealized gains included in net income | 0 | 0
Total net realized and unrealized losses included in net income | 0 | (119)
Change in net unrealized gains included in other comprehensive income | 0 | 1,273
Change in net unrealized losses included in other comprehensive income | 0 | (238)
Purchases | 0 | 3,474
Sales | 0 | (206)
Settlements / distributions | 0 | (694)
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | (5,899)
Balance at end of period | 0 | 0
Level 3 gains / (losses) included in earnings attributable to the change in unrealized gains / losses relating to those assets and liabilities held at the reporting date | 0 | 0
Non-Agency RMBS [Member] | Fixed Maturities [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at beginning of period | 19,678 | 6,639
Total net realized and unrealized gains included in net income | 0 | 0
Total net realized and unrealized losses included in net income | 0 | (581)
Change in net unrealized gains included in other comprehensive income | 123 | 1,825
Change in net unrealized losses included in other comprehensive income | (60) | (27)
Purchases | 0 | 20,230
Sales | 0 | (211)
Settlements / distributions | (2,046) | (1,832)
Transfers into Level 3 | 0 | 781
Transfers out of Level 3 | (17,695) | (7,146)
Balance at end of period | 0 | 19,678
Level 3 gains / (losses) included in earnings attributable to the change in unrealized gains / losses relating to those assets and liabilities held at the reporting date | 0 | 0
ABS [Member] | Fixed Maturities [Member] |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Balance at beginning of period | 43,178 | 43,585
Total net realized and unrealized gains included in net income | 0 | 0
Total net realized and unrealized losses included in net income | 0 | (1,134)
Change in net unrealized gains included in other comprehensive income | 5,289 | 3,361
Change in net unrealized losses included in other comprehensive income | (937) | (71)
Purchases | 0 | 4,000
Sales | 0 | (2,004)
Settlements / distributions | (93) | (369)
Transfers into Level 3 | 1,891 | 0
Transfers out of Level 3 | 0 | (4,190)
Balance at end of period | 49,328 | 43,178
Level 3 gains / (losses) included in earnings attributable to the change in unrealized gains / losses relating to those assets and liabilities held at the reporting date | $ 0 | $ 0

X
- Definition This element represents total gains for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents total gains for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity). + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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X
- Definition This element represents total gains (losses) for the period, pertaining to assets held at the balance sheet date and arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value. + References No definition available. + Details
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X
- Definition This element represents total losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value. + References No definition available. + Details
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- Definition This element represents total losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity). + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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X
- Definition Purchases that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Sales that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 + Details
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Balance Type: | credit
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- Definition Settlements that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 + Details
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Balance Type: | credit
Period Type: | duration

X
- Definition Transfers into assets measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Transfers out of assets measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 + Details
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Balance Type: | credit
Period Type: | duration

X
- Definition This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -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 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19207-110258 + Details
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