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Investments (Tables)
6 Months Ended
Jun. 30, 2021
Investments [Abstract]  
Schedule of Fixed Maturity Securities
At June 30, 2021 and December 31, 2020, the amortized cost and fair value of fixed maturity securities were as follows:
Amortized
Cost (1)
Gross
Unrealized
Gains
Gross
Unrealized
Losses (2)
Allowance for Credit LossesFair Value
(Dollars in thousands)
June 30, 2021
Fixed maturity securities, available for sale:
United States Government full faith and credit$37,274 $1,626 $(21)$— $38,879 
United States Government sponsored agencies1,009,042 37,144 — — 1,046,186 
United States municipalities, states and territories3,219,847 485,025 (1,300)(3,347)3,700,225 
Foreign government obligations177,087 20,243 — — 197,330 
Corporate securities27,525,768 3,957,107 (16,335)(10,723)31,455,817 
Residential mortgage backed securities1,106,921 88,133 (2,511)(120)1,192,423 
Commercial mortgage backed securities3,977,815 223,453 (25,751)— 4,175,517 
Other asset backed securities4,798,334 104,824 (50,279)— 4,852,879 
$41,852,088 $4,917,555 $(96,197)$(14,190)$46,659,256 
December 31, 2020
Fixed maturity securities, available for sale:
United States Government full faith and credit$37,471 $2,300 $— $— $39,771 
United States Government sponsored agencies995,465 44,132 (46)— 1,039,551 
United States municipalities, states and territories3,236,767 543,252 (1,044)(2,844)3,776,131 
Foreign government obligations177,062 25,644 — — 202,706 
Corporate securities26,745,196 4,507,716 (35,892)(60,193)31,156,827 
Residential mortgage backed securities1,399,956 117,135 (2,526)(1,734)1,512,831 
Commercial mortgage backed securities4,119,650 206,255 (64,678)— 4,261,227 
Other asset backed securities5,593,169 103,320 (146,640)— 5,549,849 
$42,304,736 $5,549,754 $(250,826)$(64,771)$47,538,893 
(1)Amortized cost excludes accrued interest receivable of $374.1 million and $377.5 million as of June 30, 2021 and December 31, 2020, respectively.
(2)Gross unrealized losses are net of allowance for credit losses.
Schedule of Fixed Maturity Securities by Contractual Maturity Date
The amortized cost and fair value of fixed maturity securities at June 30, 2021, by contractual maturity are shown below. Actual maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. All of our mortgage and other asset backed securities provide for periodic payments throughout their lives and are shown below as separate lines.
Available for sale
Amortized
Cost
Fair Value
(Dollars in thousands)
Due in one year or less$1,138,126 $1,152,012 
Due after one year through five years6,954,092 7,436,430 
Due after five years through ten years7,258,590 8,067,610 
Due after ten years through twenty years9,394,292 11,392,923 
Due after twenty years7,223,918 8,389,462 
31,969,018 36,438,437 
Residential mortgage backed securities1,106,921 1,192,423 
Commercial mortgage backed securities3,977,815 4,175,517 
Other asset backed securities4,798,334 4,852,879 
$41,852,088 $46,659,256 
Schedule of Net Unrealized Gains on Available for Sale Fixed Maturity Securities Reported as Separate Component of Stockholders' Equity
Net unrealized gains on available for sale fixed maturity securities reported as a separate component of stockholders' equity were comprised of the following:
June 30, 2021December 31, 2020
(Dollars in thousands)
Net unrealized gains on available for sale fixed maturity securities$4,821,854 $5,297,040 
Adjustments for assumed changes in amortization of deferred policy acquisition costs and deferred sales inducements and policy benefit reserves(2,288,466)(2,536,251)
Deferred income tax valuation allowance reversal22,534 22,534 
Deferred income tax expense(532,011)(579,766)
Net unrealized gains reported as accumulated other comprehensive income$2,023,911 $2,203,557 
Schedule of Credit Quality of Fixed Maturity Security Portfolio by NAIC Designation
The following table summarizes the credit quality, as determined by NAIC designation, of our fixed maturity portfolio as of the dates indicated:
June 30, 2021December 31, 2020
NAIC
Designation
Amortized
Cost
Fair
Value
Amortized
Cost
Fair
Value
(Dollars in thousands)
1$23,059,347 $25,937,900 $23,330,149 $26,564,542 
217,496,467 19,387,062 17,312,485 19,377,013 
31,094,635 1,135,994 1,292,124 1,299,455 
4145,730 147,401 282,049 256,651 
531,813 29,418 29,396 16,288 
624,096 21,481 58,533 24,944 
$41,852,088 $46,659,256 $42,304,736 $47,538,893 
Schedule of Gross Unrealized Losses on Investments, By Category and Length of Time
The following table shows our investments' gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities (consisting of 543 and 843 securities, respectively) have been in a continuous unrealized loss position, at June 30, 2021 and December 31, 2020:
Less than 12 months12 months or moreTotal
Fair ValueUnrealized
Losses (1)
Fair ValueUnrealized
Losses (1)
Fair ValueUnrealized
Losses (1)
(Dollars in thousands)
June 30, 2021
Fixed maturity securities, available for sale:
United States Government full faith and credit$1,024 $(21)$— $— $1,024 $(21)
United States municipalities, states and territories77,867 (1,294)23,471 (3,353)101,338 (4,647)
Corporate securities:
Finance, insurance and real estate57,198 (3,141)— — 57,198 (3,141)
Manufacturing, construction and mining36,493 (822)19,526 (622)56,019 (1,444)
Utilities and related sectors95,926 (2,384)129,273 (2,719)225,199 (5,103)
Wholesale/retail trade69,030 (1,243)14,363 (598)83,393 (1,841)
Services, media and other51,277 (11,107)54,762 (4,422)106,039 (15,529)
Residential mortgage backed securities74,538 (1,083)46,016 (1,548)120,554 (2,631)
Commercial mortgage backed securities83,348 (1,537)364,942 (24,214)448,290 (25,751)
Other asset backed securities243,612 (1,658)2,067,049 (48,621)2,310,661 (50,279)
$790,313 $(24,290)$2,719,402 $(86,097)$3,509,715 $(110,387)
December 31, 2020
Fixed maturity securities, available for sale:
United States Government sponsored agencies$250,475 $(46)$— $— $250,475 $(46)
United States municipalities, states and territories31,802 (3,887)868 (1)32,670 (3,888)
Corporate securities:
Finance, insurance and real estate109,789 (1,733)— — 109,789 (1,733)
Manufacturing, construction and mining— — 19,335 (1,384)19,335 (1,384)
Utilities and related sectors310,823 (27,509)35,408 (3,628)346,231 (31,137)
Wholesale/retail trade65,567 (4,344)16,000 (26)81,567 (4,370)
Services, media and other120,098 (11,564)83,890 (45,897)203,988 (57,461)
Residential mortgage backed securities156,016 (2,384)13,599 (1,876)169,615 (4,260)
Commercial mortgage backed securities934,593 (54,834)35,153 (9,844)969,746 (64,678)
Other asset backed securities1,013,781 (16,607)2,567,723 (130,033)3,581,504 (146,640)
$2,992,944 $(122,908)$2,771,976 $(192,689)$5,764,920 $(315,597)
(1)Unrealized losses have not been reduced to reflect the allowance for credit losses of $14.2 million and $64.8 million as of June 30, 2021 and December 31, 2020, respectively.
Schedule of Changes in Net Unrealized Gains/Losses on Investments
Changes in net unrealized gains/losses on investments for the three and six months ended June 30, 2021 and 2020 are as follows:
Three Months Ended 
 June 30,
Six Months Ended 
 June 30,
2021202020212020
(Dollars in thousands)
Fixed maturity securities available for sale carried at fair value$1,186,175 $3,347,516 $(475,186)$485,108 
Adjustment for effect on other balance sheet accounts:
Deferred policy acquisition costs, deferred sales inducements and policy benefit reserves(529,656)(1,599,842)247,785 (202,644)
Deferred income tax asset/liability(137,868)(367,014)47,755 (59,319)
(667,524)(1,966,856)295,540 (261,963)
Change in net unrealized gains/losses on investments carried at fair value$518,651 $1,380,660 $(179,646)$223,145 
Net Realized Gains (Losses) on Investments
Net realized losses on investments for the three and six months ended June 30, 2021 and 2020, are as follows:
Three Months Ended 
 June 30,
Six Months Ended 
 June 30,
2021202020212020
(Dollars in thousands)
Available for sale fixed maturity securities:
Gross realized gains$4,062 $1,215 $6,429 $15,453 
Gross realized losses(7,951)(264)(16,147)(1,470)
Net credit loss (provision) release1,260 (25,041)(177)(56,412)
(2,629)(24,090)(9,895)(42,429)
Mortgage loans on real estate:
Decrease (increase) in allowance for credit losses1,933 (2,510)4,448 (4,507)
Recovery of specific allowance— 712 — 712 
Loss on sale of mortgage loans(2,418)— (2,250)— 
(485)(1,798)2,198 (3,795)
$(3,114)$(25,888)$(7,697)$(46,224)
Rollforward of Allowance for Credit Loss
The following table provides a rollforward of the allowance for credit loss:
Three Months Ended June 30, 2021
United States
Municipalities,
States and
Territories
Corporate SecuritiesCommercial Mortgage Backed SecuritiesResidential Mortgage Backed SecuritiesOther Asset Backed SecuritiesTotal
(Dollars in thousands)
Beginning balance $2,791 $55,715 $— $1,192 $— $59,698 
Additions for credit losses not previously recorded— — — — — — 
Change in allowance on securities with previous allowance556 (402)— 22 — 176 
Reduction for securities sold during the period— (44,248)— — — (44,248)
Recoveries of amounts previously written off— (342)— (1,094)— (1,436)
Ending balance$3,347 $10,723 $— $120 $— $14,190 
Three Months Ended June 30, 2020
United States
Municipalities,
States and
Territories
Corporate SecuritiesCommercial Mortgage Backed SecuritiesResidential Mortgage Backed SecuritiesOther Asset Backed SecuritiesTotal
(Dollars in thousands)
Beginning balance$— $28,332 $— $— $— $28,332 
Additions for credit losses not previously recorded— 18,417 5,847 777 — 25,041 
Reduction for securities with credit losses due to intent to sell— — (3,187)— — (3,187)
Ending balance$— $46,749 $2,660 $777 $— $50,186 
Six Months Ended June 30, 2021
United States
Municipalities,
States and
Territories
Corporate SecuritiesCommercial Mortgage Backed SecuritiesResidential Mortgage Backed SecuritiesOther Asset Backed SecuritiesTotal
(Dollars in thousands)
Beginning balance$2,844 $60,193 $— $1,734 $— $64,771 
Additions for credit losses not previously recorded— 705 — 111 — 816 
Change in allowance on securities with previous allowance503 925 — (631)— 797 
Reduction for securities sold during the period— (50,758)— — — (50,758)
Recoveries of amounts previously written off— (342)— (1,094)— (1,436)
Ending balance$3,347 $10,723 $— $120 $— $14,190 
Six Months Ended June 30, 2020
United States
Municipalities,
States and
Territories
Corporate SecuritiesCommercial Mortgage Backed SecuritiesResidential Mortgage Backed SecuritiesOther Asset Backed SecuritiesTotal
(Dollars in thousands)
Beginning balance$— $— $— $— $— $— 
Additions for credit losses not previously recorded— 46,749 8,338 777 548 56,412 
Reduction for securities with credit losses due to intent to sell— — (5,678)— (548)(6,226)
Ending balance$— $46,749 $2,660 $777 $— $50,186