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SCHEDULE I - SUMMARY OF INVESTMENTS - OTHER THAN INVESTMENTS IN RELATED PARTIES (Details) $ in Thousands | Dec. 31, 2016 USD ($)
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Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | $ 4,724,356
Fair Value | 4,692,350
Amount at which shown in the balance sheet | 4,692,350
Fixed income |
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | 4,717,212
Fair Value | 4,685,222
Amount at which shown in the balance sheet | 4,685,222
Fixed income | U.S. Treasury securities and obligations of U.S. government corporations and agencies |
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | 73,847
Fair Value | 73,530
Amount at which shown in the balance sheet | 73,530
Fixed income | Obligations of U.S. states and political subdivisions |
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | 2,147,458
Fair Value | 2,143,016
Amount at which shown in the balance sheet | 2,143,016
Fixed income | Foreign governments |
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | 0
Fair Value | 0
Amount at which shown in the balance sheet | 0
Fixed income | Public utilities |
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | 176,184
Fair Value | 175,084
Amount at which shown in the balance sheet | 175,084
Fixed income | ABS |
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | 59,519
Fair Value | 59,565
Amount at which shown in the balance sheet | 59,565
Fixed income | Collateralized loan obligations |
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | 121,151
Fair Value | 121,174
Amount at which shown in the balance sheet | 121,174
Fixed income | Mortgage-backed |
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | 558,775
Fair Value | 544,026
Amount at which shown in the balance sheet | 544,026
Fixed income | All other corporate bonds |
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | 1,580,278
Fair Value | 1,568,827
Amount at which shown in the balance sheet | 1,568,827
Equity Securities |
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | 7,144
Fair Value | 7,128
Amount at which shown in the balance sheet | 7,128
Equity Securities | Industrial, miscellaneous and all other |
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] |
Amortized Cost | 7,144
Fair Value | 7,128
Amount at which shown in the balance sheet | $ 7,128

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- Definition This element represents the carrying (reported) amount of the entity's investments as of the balance sheet date. This amount may represent the individual investment's or group of similar investments' original cost, fair value, or such other amount at which the investment is shown in the entity's balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 7 -Subparagraph (SX 210.12-15) -URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611379-123010 + Details
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