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Fair Values of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2023
Fair Value Disclosures [Abstract]  
Carrying Amounts and Fair Values of Financial Instruments
The following sets forth a comparison of the carrying amounts and fair values of our financial instruments:
December 31,
20232022
Carrying
Amount
Fair ValueCarrying
Amount
Fair Value
(Dollars in thousands)
Assets
Fixed maturity securities, available for sale$34,780,482 $34,780,482 $39,804,617 $39,804,617 
Mortgage loans on real estate7,537,594 7,047,993 6,949,027 6,502,463 
Real estate investments1,334,247 1,336,247 1,056,063 1,056,063 
Limited partnerships and limited liability companies506,685 506,685 684,835 684,835 
Derivative instruments1,207,288 1,207,288 431,727 431,727 
Other investments2,277,822 2,277,822 1,817,085 1,817,085 
Cash and cash equivalents9,772,586 9,772,586 1,919,669 1,919,669 
Coinsurance deposits14,582,728 13,570,942 13,254,956 12,640,797 
Market risk benefits
479,694 479,694 229,871 229,871 
Liabilities
Policy benefit reserves60,549,922 56,366,631 58,419,911 55,572,896 
Market risk benefits
3,146,554 3,146,554 2,455,492 2,455,492 
Single premium immediate annuity (SPIA) benefit reserves188,301 196,720 212,119 221,130 
Other policy funds - FHLB— — 300,000 300,000 
Notes and loan payable785,443 770,570 792,073 774,220 
Subordinated debentures79,107 86,254 78,753 87,293 
Assets and Liabilities Measured on a Recurring Basis, By Fair Value Hierarchy Level
Our assets and liabilities which are measured at fair value on a recurring basis as of December 31, 2023 and 2022 are presented below based on the fair value hierarchy levels:
Total
Fair Value
NAVQuoted
Prices
in Active
Markets
(Level 1)
Significant
Other
Observable
Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
(Dollars in thousands)
December 31, 2023
Assets
Fixed maturity securities, available for sale:
U.S. Government and agencies$171,141 $— $27,593 $143,548 $— 
States, municipalities and territories3,098,940 — — 2,876,723 222,217 
Foreign corporate securities and foreign governments
493,739 — — 493,739 — 
Corporate securities20,603,416 — — 20,347,979 255,437 
Residential mortgage backed securities1,402,501 — — 1,402,501 — 
Commercial mortgage backed securities2,952,547 — — 2,952,547 — 
Other asset backed securities6,058,198 — — 4,467,224 1,590,974 
Other investments1,795,511 — 875,596 919,915 — 
Real estate investments1,217,271 — — — 1,217,271 
Limited partnerships and limited liability companies506,685 353,554 — — 153,131 
Derivative instruments1,207,288 — — 1,207,288 — 
Cash and cash equivalents9,772,586 — 9,772,586 — — 
Market risk benefits (a)
479,694 — — — 479,694 
$49,759,517 $353,554 $10,675,775 $34,811,464 $3,918,724 
Liabilities
Funds withheld liability - embedded derivative$(256,776)$— $— $— $(256,776)
Fixed index annuities - embedded derivatives5,181,894 — — — 5,181,894 
Market risk benefits (a)
3,146,554 — — — 3,146,554 
$8,071,672 $— $— $— $8,071,672 
December 31, 2022
Assets
Fixed maturity securities, available for sale:
U.S. Government and agencies$169,071 $— $26,184 $142,887 $— 
States, municipalities and territories3,822,982 — — 3,822,982 — 
Foreign corporate securities and foreign governments
676,852 — — 676,852 — 
Corporate securities24,161,921 — — 23,759,573 402,348 
Residential mortgage backed securities1,377,611 — — 1,377,611 — 
Commercial mortgage backed securities3,687,478 — — 3,687,478 — 
Other asset backed securities5,908,702 — — 5,465,784 442,918 
Other investments1,013,297 — 398,280 615,017 — 
Real estate investments940,559 — — — 940,559 
Limited partnerships and limited liability companies684,835 620,626 — — 64,209 
Derivative instruments431,727 — — 431,727 — 
Cash and cash equivalents1,919,669 — 1,919,669 — — 
Market risk benefits (a)
229,871 — — — 229,871 
$45,024,575 $620,626 $2,344,133 $39,979,911 $2,079,905 
Liabilities
Funds withheld liability - embedded derivative$(441,864)$— $— $— $(441,864)
Fixed index annuities - embedded derivatives4,820,845 — — — 4,820,845 
Market risk benefits (a)
2,455,492 — — — 2,455,492 
$6,834,473 $— $— $— $6,834,473 
(a)See Note 8 - Policyholder Liabilities for additional information related to market risk benefits, including the balances of and changes in market risk benefits as well as significant inputs and assumptions used in the fair value measurements of market risk benefits.
Assets Measured at Fair Value on Recurring Basis, Level 3 Reconciliation
The following table provides a reconciliation of the beginning and ending balances for our Level 3 assets and liabilities, which are measured at fair value on a recurring basis using significant unobservable inputs for the years ended December 31, 2023 and 2022:
Year Ended 
 December 31,
20232022
(Dollars in thousands)
Fixed maturity securities, available for sale - States, municipalities and territories
Beginning balance$— $— 
Purchases and sales, net— — 
Transfers in203,757 — 
Transfers out(2,001)— 
Total realized/unrealized gains (losses)
Included in net income— — 
Included in other comprehensive income (loss)20,461 — 
Ending balance$222,217 $— 
Fixed maturity securities, available for sale - Corporate securities
Beginning balance$402,348 $— 
Purchases and sales, net
(45,187)2,233 
Transfers in82,866 391,702 
Transfers out(172,174)— 
Total realized/unrealized gains (losses):
Included in net income— — 
Included in other comprehensive income (loss)(12,416)8,413 
Ending balance$255,437 $402,348 
Fixed maturity securities, available for sale - Other asset backed securities
Beginning balance$442,918 $— 
Purchases and sales, net
1,071,824 296,800 
Transfers in160,160 153,669 
Transfers out(20,817)— 
Total realized/unrealized gains (losses):
Included in net income— — 
Included in other comprehensive income (loss)(63,111)(7,551)
Ending balance$1,590,974 $442,918 
Other investments
Beginning balance$— $6,349 
Transfers in9,821 — 
Transfers out(23,244)(3,867)
Total realized/unrealized gains (losses):
Included in net income— (2,482)
Included in other comprehensive income (loss)13,423 — 
Ending balance$— $— 
Real estate investments
Beginning balance$940,559 $337,939 
Purchases and sales, net313,235 602,298 
Change in fair value(36,523)322 
Ending balance$1,217,271 $940,559 
Year Ended 
 December 31,
20232022
(Dollars in thousands)
Limited partnerships and limited liability companies
Beginning balance$64,209 $— 
Purchases and sales, net99,963 57,574 
Change in fair value(11,041)6,635 
Ending balance$153,131 $64,209 
Funds withheld liability - embedded derivative
Beginning balance$(441,864)$— 
Transfers in— (441,864)
Change in fair value185,088 — 
Ending balance$(256,776)$(441,864)
Fixed index annuities - embedded derivatives
Beginning balance$4,820,845 $7,964,961 
Premiums less benefits(177,559)(125,940)
Change in fair value, net538,608 (2,561,676)
Reserve release related to in-force ceded reinsurance— (456,500)
Ending balance$5,181,894 $4,820,845 
Liabilities Measured at Fair Value on Recurring Basis, Level 3 Reconciliation
The following table provides a reconciliation of the beginning and ending balances for our Level 3 assets and liabilities, which are measured at fair value on a recurring basis using significant unobservable inputs for the years ended December 31, 2023 and 2022:
Year Ended 
 December 31,
20232022
(Dollars in thousands)
Fixed maturity securities, available for sale - States, municipalities and territories
Beginning balance$— $— 
Purchases and sales, net— — 
Transfers in203,757 — 
Transfers out(2,001)— 
Total realized/unrealized gains (losses)
Included in net income— — 
Included in other comprehensive income (loss)20,461 — 
Ending balance$222,217 $— 
Fixed maturity securities, available for sale - Corporate securities
Beginning balance$402,348 $— 
Purchases and sales, net
(45,187)2,233 
Transfers in82,866 391,702 
Transfers out(172,174)— 
Total realized/unrealized gains (losses):
Included in net income— — 
Included in other comprehensive income (loss)(12,416)8,413 
Ending balance$255,437 $402,348 
Fixed maturity securities, available for sale - Other asset backed securities
Beginning balance$442,918 $— 
Purchases and sales, net
1,071,824 296,800 
Transfers in160,160 153,669 
Transfers out(20,817)— 
Total realized/unrealized gains (losses):
Included in net income— — 
Included in other comprehensive income (loss)(63,111)(7,551)
Ending balance$1,590,974 $442,918 
Other investments
Beginning balance$— $6,349 
Transfers in9,821 — 
Transfers out(23,244)(3,867)
Total realized/unrealized gains (losses):
Included in net income— (2,482)
Included in other comprehensive income (loss)13,423 — 
Ending balance$— $— 
Real estate investments
Beginning balance$940,559 $337,939 
Purchases and sales, net313,235 602,298 
Change in fair value(36,523)322 
Ending balance$1,217,271 $940,559 
Year Ended 
 December 31,
20232022
(Dollars in thousands)
Limited partnerships and limited liability companies
Beginning balance$64,209 $— 
Purchases and sales, net99,963 57,574 
Change in fair value(11,041)6,635 
Ending balance$153,131 $64,209 
Funds withheld liability - embedded derivative
Beginning balance$(441,864)$— 
Transfers in— (441,864)
Change in fair value185,088 — 
Ending balance$(256,776)$(441,864)
Fixed index annuities - embedded derivatives
Beginning balance$4,820,845 $7,964,961 
Premiums less benefits(177,559)(125,940)
Change in fair value, net538,608 (2,561,676)
Reserve release related to in-force ceded reinsurance— (456,500)
Ending balance$5,181,894 $4,820,845 
Quantitative Information About Level 3 Fair Value Measurements
The following table provides quantitative information about the significant unobservable inputs used for recurring fair value measurements categorized within Level 3, excluding investments where third party valuation inputs were not reasonably available. The market risk benefits are also excluded from the table. See Note 8 - Policyholder Liabilities for information on the unobservable inputs used in the fair value measurements of market risk benefits. See discussion of the valuation technique and significant unobservable inputs used for the embedded derivative component of our fixed index annuities in the Fixed index annuities-embedded derivatives paragraph below.
December 31, 2023
Assets /
(Liabilities)
Measured at
Fair Value
Valuation
Techniques(s)
Unobservable
Input
Description
Input /
Range of Inputs
Weighted
Average
Assets:
(in thousands)
Fixed maturity securities:
Corporate securities$83,666 
Discounted cash flow
Liquidity premium
20 basis points
Other asset backed securities
591,992 
Discounted cash flow
Discount rate
5.26%25.00%6.92%
Weighted average lives
1.14 years
12.09 years
5.69 years
Real estate investments1,217,271 
Broker price opinion (a)
Limited partnerships and limited46,705 
Discounted cash flow
Residual capitalization rate
5.25%5.25%5.25%
liability companies - real estate
Discount rate
6.50%6.75%6.61%
Limited partnerships and limited106,426 
Discounted cash flow
Discount rate
11.00%11.00%11.00%
liability companies - infrastructure
December 31, 2022
Assets /
(Liabilities)
Measured at
Fair Value
Valuation
Techniques(s)
Unobservable
Input
Description
Input /
Range of Inputs
Weighted
Average
Assets:
(in thousands)
Fixed maturity securities:
Corporate securities$84,674 
Discounted cash flow
Liquidity premium
20 basis points
Other asset backed securities
296,800 
Discounted cash flow
Discount rate
4.04%28.58%4.36%
Weighted average lives
8.79 years12.48 years9.29 years
Real estate investments940,559 
Discounted cash flow
Residual capitalization rate
4.75%6.50%5.44%
Discount rate
6.00%8.00%6.91%
Limited partnerships and limited64,209 
Discounted cash flow
Residual capitalization rate
4.25%4.75%4.46%
liability companies - real estate
Discount rate
5.75%6.00%5.86%
(a)At December 31, 2023, we updated our valuation technique for real estate investments. See description of valuation technique, inputs and reason for update in the Real estate investments paragraph below.
Fair Value Measurements, Nonrecurring
The following table presents financial instruments included in Other investments which are not measured at fair value on a recurring basis and fall within Level 2 of the fair value hierarchy.
December 31,
20232022
(Dollars in thousands)
FHLB common stock (1)
$10,000 $22,000 
Short-term loans (2)
— 316,417 
Collateral loans (3)
64,594 64,594 
Company owned life insurance ("COLI") (4)
404,598 397,683 
(1)FHLB common stock is carried at cost which approximates fair value.
(2)Due to the short-term nature of the investments, the fair value of a portion of our short-term loans approximates the carrying value.
(3)For certain of our collateral loans, we have concluded the carrying value approximates fair value.
(4)The fair value of our COLI approximates the cash surrender value of the policies.
Schedule of Assumptions Used in Estimating Fair Value The following table presents average lapse rate assumptions, by contract duration, used in estimating the fair value of the embedded derivative component of our fixed index annuity policy benefit reserves at each reporting date:
Average Lapse Rates
Contract Duration (Years)December 31, 2023December 31, 2022
1 - 5
1.96%2.17%
6 - 10
3.71%3.28%
11 - 15
3.71%3.63%
16 - 20
8.97%8.55%
20+
4.91%4.90%