XML 61 R44.htm IDEA: XBRL DOCUMENT v3.20.2
Fair Value of Financial Instruments - Financial Instruments Measured and Carried at Fair Value (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Jun. 30, 2020
Dec. 31, 2019
Financial Assets      
Debt securities, available-for-sale $ 6,168,558   $ 5,791,676
Equity securities 102,303   101,864
Mortgage-backed securities      
Financial Assets      
Debt securities, available-for-sale 702,862   724,319
Other, including U.S. Treasury securities      
Financial Assets      
Debt securities, available-for-sale 384,137   458,868
Municipal bonds      
Financial Assets      
Debt securities, available-for-sale 1,816,501   1,686,203
Foreign government bonds      
Financial Assets      
Debt securities, available-for-sale 44,787   45,370
Corporate bonds      
Financial Assets      
Debt securities, available-for-sale 1,983,483   1,581,424
Other asset-backed securities      
Financial Assets      
Debt securities, available-for-sale 1,236,788   1,295,492
Level 3      
Financial Assets      
Equity securities   $ 88  
Level 3 | Mortgage-backed securities      
Financial Assets      
Debt securities, available-for-sale   12,199  
Level 3 | Municipal bonds      
Financial Assets      
Debt securities, available-for-sale   65,671  
Level 3 | Corporate bonds      
Financial Assets      
Debt securities, available-for-sale   121,185  
Level 3 | Other asset-backed securities      
Financial Assets      
Debt securities, available-for-sale   $ 128,599  
Carrying Amount      
Financial Assets      
Equity securities 102,303   101,864
Short-term investments 254,309   172,667
Other investments 30,245   25,997
Totals 6,555,415   6,092,204
Separate Account (variable annuity) assets 2,488,528   2,490,469
Financial Liabilities      
Investment contract and policy reserves, embedded derivatives 1,703   1,314
Other policyholder funds, embedded derivatives 98,070   93,733
Carrying Amount | Recurring      
Financial Assets      
Debt securities, available-for-sale 6,168,558   5,791,676
Carrying Amount | Mortgage-backed securities      
Financial Assets      
Debt securities, available-for-sale 702,862   724,319
Carrying Amount | Other, including U.S. Treasury securities      
Financial Assets      
Debt securities, available-for-sale 384,137   458,868
Carrying Amount | Municipal bonds      
Financial Assets      
Debt securities, available-for-sale 1,816,501   1,686,203
Carrying Amount | Foreign government bonds      
Financial Assets      
Debt securities, available-for-sale 44,787   45,370
Carrying Amount | Corporate bonds      
Financial Assets      
Debt securities, available-for-sale 1,983,483   1,581,424
Carrying Amount | Other asset-backed securities      
Financial Assets      
Debt securities, available-for-sale 1,236,788   1,295,492
Fair Value      
Financial Assets      
Equity securities 102,303   101,864
Short-term investments 254,309   172,667
Other investments 30,245   25,997
Totals 6,555,415   6,092,204
Separate Account (variable annuity) assets 2,488,528   2,490,469
Financial Liabilities      
Investment contract and policy reserves, embedded derivatives 1,703   1,314
Other policyholder funds, embedded derivatives 98,070   93,733
Fair Value | Recurring      
Financial Assets      
Debt securities, available-for-sale 6,168,558   5,791,676
Fair Value | Mortgage-backed securities      
Financial Assets      
Debt securities, available-for-sale 702,862   724,319
Fair Value | Other, including U.S. Treasury securities      
Financial Assets      
Debt securities, available-for-sale 384,137   458,868
Fair Value | Municipal bonds      
Financial Assets      
Debt securities, available-for-sale 1,816,501   1,686,203
Fair Value | Foreign government bonds      
Financial Assets      
Debt securities, available-for-sale 44,787   45,370
Fair Value | Corporate bonds      
Financial Assets      
Debt securities, available-for-sale 1,983,483   1,581,424
Fair Value | Other asset-backed securities      
Financial Assets      
Debt securities, available-for-sale 1,236,788   1,295,492
Fair Value | Level 1      
Financial Assets      
Equity securities 36,274   49,834
Short-term investments 250,206   172,667
Other investments 0   0
Totals 319,002   254,670
Separate Account (variable annuity) assets 2,488,528   2,490,469
Financial Liabilities      
Investment contract and policy reserves, embedded derivatives 0   0
Other policyholder funds, embedded derivatives 0   0
Fair Value | Level 1 | Recurring      
Financial Assets      
Debt securities, available-for-sale 32,522   32,169
Fair Value | Level 1 | Mortgage-backed securities      
Financial Assets      
Debt securities, available-for-sale 0   0
Fair Value | Level 1 | Other, including U.S. Treasury securities      
Financial Assets      
Debt securities, available-for-sale 18,446   17,699
Fair Value | Level 1 | Municipal bonds      
Financial Assets      
Debt securities, available-for-sale 0   0
Fair Value | Level 1 | Foreign government bonds      
Financial Assets      
Debt securities, available-for-sale 0   0
Fair Value | Level 1 | Corporate bonds      
Financial Assets      
Debt securities, available-for-sale 14,076   14,470
Fair Value | Level 1 | Other asset-backed securities      
Financial Assets      
Debt securities, available-for-sale 0   0
Fair Value | Level 2      
Financial Assets      
Equity securities 65,941   51,923
Short-term investments 4,103   0
Other investments 30,245   25,997
Totals 5,908,671   5,542,356
Separate Account (variable annuity) assets 0   0
Financial Liabilities      
Investment contract and policy reserves, embedded derivatives 1,703   1,314
Other policyholder funds, embedded derivatives 0   0
Fair Value | Level 2 | Recurring      
Financial Assets      
Debt securities, available-for-sale 5,808,382   5,464,436
Fair Value | Level 2 | Mortgage-backed securities      
Financial Assets      
Debt securities, available-for-sale 690,663   711,004
Fair Value | Level 2 | Other, including U.S. Treasury securities      
Financial Assets      
Debt securities, available-for-sale 365,691   441,169
Fair Value | Level 2 | Municipal bonds      
Financial Assets      
Debt securities, available-for-sale 1,750,830   1,641,912
Fair Value | Level 2 | Foreign government bonds      
Financial Assets      
Debt securities, available-for-sale 44,787   45,370
Fair Value | Level 2 | Corporate bonds      
Financial Assets      
Debt securities, available-for-sale 1,848,222   1,463,002
Fair Value | Level 2 | Other asset-backed securities      
Financial Assets      
Debt securities, available-for-sale 1,108,189   1,161,979
Fair Value | Level 3      
Financial Assets      
Equity securities 88   107
Short-term investments 0   0
Other investments 0   0
Totals 327,742   295,178
Separate Account (variable annuity) assets 0   0
Financial Liabilities      
Investment contract and policy reserves, embedded derivatives 0   0
Other policyholder funds, embedded derivatives 98,070   93,733
Fair Value | Level 3 | Recurring      
Financial Assets      
Debt securities, available-for-sale 327,654   295,071
Fair Value | Level 3 | Mortgage-backed securities      
Financial Assets      
Debt securities, available-for-sale 12,199   13,315
Fair Value | Level 3 | Other, including U.S. Treasury securities      
Financial Assets      
Debt securities, available-for-sale 0   0
Fair Value | Level 3 | Municipal bonds      
Financial Assets      
Debt securities, available-for-sale 65,671   44,291
Fair Value | Level 3 | Foreign government bonds      
Financial Assets      
Debt securities, available-for-sale 0   0
Fair Value | Level 3 | Corporate bonds      
Financial Assets      
Debt securities, available-for-sale 121,185   103,952
Fair Value | Level 3 | Other asset-backed securities      
Financial Assets      
Debt securities, available-for-sale $ 128,599   $ 133,513