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Investments (Tables)
9 Months Ended
Sep. 30, 2021
Investments [Abstract]  
Schedule of Fixed Maturity Securities
At September 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)
September 30, 2021
Fixed maturity securities, available for sale:
United States Government full faith and credit$37,112 $1,398 $(24)$— $38,486 
United States Government sponsored agencies1,008,980 34,371 — — 1,043,351 
United States municipalities, states and territories3,142,857 457,359 (1,188)(2,772)3,596,256 
Foreign government obligations177,101 18,240 — — 195,341 
Corporate securities27,342,408 3,695,003 (14,518)(1,006)31,021,887 
Residential mortgage backed securities980,838 75,599 (2,158)(296)1,053,983 
Commercial mortgage backed securities3,963,733 197,750 (23,405)— 4,138,078 
Other asset backed securities4,594,511 102,882 (46,678)— 4,650,715 
$41,247,540 $4,582,602 $(87,971)$(4,074)$45,738,097 
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 $388.4 million and $377.5 million as of September 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 September 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$1,688,694 $1,705,847 
Due after one year through five years6,932,293 7,402,594 
Due after five years through ten years6,728,152 7,453,463 
Due after ten years through twenty years9,272,871 11,196,318 
Due after twenty years7,086,448 8,137,099 
31,708,458 35,895,321 
Residential mortgage backed securities980,838 1,053,983 
Commercial mortgage backed securities3,963,733 4,138,078 
Other asset backed securities4,594,511 4,650,715 
$41,247,540 $45,738,097 
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:
September 30, 2021December 31, 2020
(Dollars in thousands)
Net unrealized gains on available for sale fixed maturity securities$4,494,631 $5,297,040 
Adjustments for assumed changes in amortization of deferred policy acquisition costs and deferred sales inducements and policy benefit reserves(2,045,973)(2,536,251)
Deferred income tax valuation allowance reversal22,534 22,534 
Deferred income tax expense(514,218)(579,766)
Net unrealized gains reported as accumulated other comprehensive income$1,956,974 $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:
September 30, 2021December 31, 2020
NAIC
Designation
Amortized
Cost
Fair
Value
Amortized
Cost
Fair
Value
(Dollars in thousands)
1$22,823,664 $25,508,437 $23,330,149 $26,564,542 
217,170,505 18,928,256 17,312,485 19,377,013 
31,066,599 1,107,418 1,292,124 1,299,455 
4145,455 157,196 282,049 256,651 
517,226 15,860 29,396 16,288 
624,091 20,930 58,533 24,944 
$41,247,540 $45,738,097 $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 567 and 843 securities, respectively) have been in a continuous unrealized loss position, at September 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)
September 30, 2021
Fixed maturity securities, available for sale:
United States Government full faith and credit$1,019 $(24)$— $— $1,019 $(24)
United States municipalities, states and territories40,043 (582)23,961 (3,378)64,004 (3,960)
Corporate securities419,976 (6,997)164,005 (8,527)583,981 (15,524)
Residential mortgage backed securities83,291 (455)40,947 (1,999)124,238 (2,454)
Commercial mortgage backed securities56,781 (354)349,533 (23,051)406,314 (23,405)
Other asset backed securities364,936 (1,842)2,056,088 (44,836)2,421,024 (46,678)
$966,046 $(10,254)$2,634,534 $(81,791)$3,600,580 $(92,045)
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 securities606,277 (45,150)154,633 (50,935)760,910 (96,085)
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 $4.1 million and $64.8 million as of September 30, 2021 and December 31, 2020, respectively.
Schedule of Changes in Net Unrealized Gains/Losses on Investments
Changes in net unrealized gains/losses on investments for the three and nine months ended September 30, 2021 and 2020 are as follows:
Three Months Ended 
 September 30,
Nine Months Ended 
 September 30,
2021202020212020
(Dollars in thousands)
Fixed maturity securities available for sale carried at fair value$(327,223)$800,492 $(802,409)$1,285,600 
Adjustment for effect on other balance sheet accounts:
Deferred policy acquisition costs, deferred sales inducements and policy benefit reserves242,493 (377,553)490,278 (580,197)
Deferred income tax asset/liability17,793 (88,816)65,548 (148,135)
260,286 (466,369)555,826 (728,332)
Change in net unrealized gains/losses on investments carried at fair value$(66,937)$334,123 $(246,583)$557,268 
Net Realized Gains (Losses) on Investments
Net realized gains (losses) on investments for the three and nine months ended September 30, 2021 and 2020, are as follows:
Three Months Ended 
 September 30,
Nine Months Ended 
 September 30,
2021202020212020
(Dollars in thousands)
Available for sale fixed maturity securities:
Gross realized gains$1,001 $2,843 $7,430 $18,296 
Gross realized losses— (51)(16,147)(1,521)
Net credit loss (provision) release84 (25,923)(93)(82,335)
1,085 (23,131)(8,810)(65,560)
Mortgage loans on real estate:
Decrease (increase) in allowance for credit losses5,023 810 9,471 (3,697)
Recovery of specific allowance— — — 712 
Loss on sale of mortgage loans(1,175)— (3,425)— 
3,848 810 6,046 (2,985)
$4,933 $(22,321)$(2,764)$(68,545)
Rollforward of Allowance for Credit Loss
The following table provides a rollforward of the allowance for credit loss:
Three Months Ended September 30, 2021
United States
Municipalities,
States and
Territories
Corporate SecuritiesCommercial Mortgage Backed SecuritiesResidential Mortgage Backed SecuritiesOther Asset Backed SecuritiesTotal
(Dollars in thousands)
Beginning balance $3,347 $10,723 $— $120 $— $14,190 
Additions for credit losses not previously recorded— — — 296 — 296 
Change in allowance on securities with previous allowance(575)315 — — — (260)
Reduction for securities sold during the period— — — — — — 
Write-offs charged against the allowance— (10,032)— — — (10,032)
Recoveries of amounts previously written off— — — (120)— (120)
Ending balance$2,772 $1,006 $— $296 $— $4,074 
Three Months Ended September 30, 2020
United States
Municipalities,
States and
Territories
Corporate SecuritiesCommercial Mortgage Backed SecuritiesResidential Mortgage Backed SecuritiesOther Asset Backed SecuritiesTotal
(Dollars in thousands)
Beginning balance$— $46,749 $2,660 $777 $— $50,186 
Additions for credit losses not previously recorded— 6,296 19,183 444 — 25,923 
Reduction for securities with credit losses due to intent to sell— — (14,490)— — (14,490)
Ending balance$— $53,045 $7,353 $1,221 $— $61,619 
Nine Months Ended September 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 — 407 — 1,112 
Change in allowance on securities with previous allowance(72)1,240 — (631)— 537 
Reduction for securities sold during the period— (50,758)— — — (50,758)
Write-offs charged against the allowance— (10,032)— — — (10,032)
Recoveries of amounts previously written off— (342)— (1,214)— (1,556)
Ending balance$2,772 $1,006 $— $296 $— $4,074 
Nine Months Ended September 30, 2020
United States
Municipalities,
States and
Territories
Corporate SecuritiesCommercial Mortgage Backed SecuritiesResidential Mortgage Backed SecuritiesOther Asset Backed SecuritiesTotal
(Dollars in thousands)
Beginning balance$— $— $— $— $— $— 
Additions for credit losses not previously recorded— 53,045 27,521 1,221 548 82,335 
Reduction for securities with credit losses due to intent to sell— — (20,168)— (548)(20,716)
Ending balance$— $53,045 $7,353 $1,221 $— $61,619