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Investment Information | 12 Months Ended
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Dec. 31, 2022
Disclosure Investment Information [Abstract] |
Investment Information | Available For Sale Investments The following table summarizes the fair value and cost or amortized cost of the Company’s securities classified as available for sale:
| Estimated Fair Value |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Allowance for Expected Credit Losses |  | Cost or Amortized Cost
December 31, 2022 |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 8,020,128 |  |  | $ | 55,468 |  |  | $ | (781,353) |  |  | $ | (29,950) |  |  | $ | 8,775,963 |
Mortgage backed securities | 795,391 |  |  | 4,933 |  |  | (86,587) |  |  | 2 |  |  | 877,043 |
Municipal bonds | 419,166 |  |  | 3,149 |  |  | (33,360) |  |  | (100) |  |  | 449,477 |
Commercial mortgage backed securities | 1,047,275 |  |  | 608 |  |  | (57,667) |  |  | (3,415) |  |  | 1,107,749 |
U.S. government and government agencies | 5,161,193 |  |  | 14,891 |  |  | (342,963) |  |  | — |  |  | 5,489,265 |
Non-U.S. government securities | 2,312,819 |  |  | 8,870 |  |  | (237,846) |  |  | (1,882) |  |  | 2,543,677 |
Asset backed securities | 1,926,817 |  |  | 761 |  |  | (106,623) |  |  | (6,010) |  |  | 2,038,689 |
Total | 19,682,789 |  |  | 88,680 |  |  | (1,646,399) |  |  | (41,355) |  |  | 21,281,863 |
Short-term investments | 1,331,662 |  |  | 554 |  |  | (1,888) |  |  | — |  |  | 1,332,996 |
Total | $ | 21,014,451 |  |  | $ | 89,234 |  |  | $ | (1,648,287) |  |  | $ | (41,355) |  |  | $ | 22,614,859 |
December 31, 2021 |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 6,553,333 |  |  | $ | 104,170 |  |  | $ | (69,194) |  |  | $ | (2,037) |  |  | $ | 6,520,394 |
Mortgage backed securities | 408,477 |  |  | 2,825 |  |  | (5,410) |  |  | (48) |  |  | 411,110 |
Municipal bonds | 404,666 |  |  | 18,724 |  |  | (1,409) |  |  | (2) |  |  | 387,353 |
Commercial mortgage backed securities | 1,046,484 |  |  | 1,740 |  |  | (3,117) |  |  | (6) |  |  | 1,047,867 |
U.S. government and government agencies | 4,772,764 |  |  | 10,076 |  |  | (45,967) |  |  | — |  |  | 4,808,655 |
Non-U.S. government securities | 2,120,294 |  |  | 54,048 |  |  | (34,749) |  |  | (82) |  |  | 2,101,077 |
Asset backed securities | 2,692,091 |  |  | 6,540 |  |  | (11,108) |  |  | (708) |  |  | 2,697,367 |
Total | 17,998,109 |  |  | 198,123 |  |  | (170,954) |  |  | (2,883) |  |  | 17,973,823 |
Short-term investments | 1,734,716 |  |  | 568 |  |  | (590) |  |  | — |  |  | 1,734,738 |
Total | $ | 19,732,825 |  |  | $ | 198,691 |  |  | $ | (171,544) |  |  | $ | (2,883) |  |  | $ | 19,708,561 |
The following table summarizes, for all available for sale securities in an unrealized loss position, the fair value and gross unrealized loss by length of time the security has been in a continual unrealized loss position:
| Less than 12 Months |  | 12 Months or More |  | Total
| Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 4,822,624 |  |  | $ | (393,112) |  |  | $ | 2,559,399 |  |  | $ | (388,241) |  |  | $ | 7,382,023 |  |  | $ | (781,353) |
Mortgage backed securities | 545,844 |  |  | (51,673) |  |  | 154,154 |  |  | (34,914) |  |  | 699,998 |  |  | (86,587) |
Municipal bonds | 363,936 |  |  | (29,924) |  |  | 16,282 |  |  | (3,436) |  |  | 380,218 |  |  | (33,360) |
Commercial mortgage backed securities | 598,392 |  |  | (34,899) |  |  | 445,175 |  |  | (22,768) |  |  | 1,043,567 |  |  | (57,667) |
U.S. government and government agencies | 3,556,676 |  |  | (197,259) |  |  | 1,442,542 |  |  | (145,704) |  |  | 4,999,218 |  |  | (342,963) |
Non-U.S. government securities | 1,702,973 |  |  | (153,587) |  |  | 541,652 |  |  | (84,259) |  |  | 2,244,625 |  |  | (237,846) |
Asset backed securities | 1,148,220 |  |  | (65,189) |  |  | 512,376 |  |  | (41,434) |  |  | 1,660,596 |  |  | (106,623) |
Total | 12,738,665 |  |  | (925,643) |  |  | 5,671,580 |  |  | (720,756) |  |  | 18,410,245 |  |  | (1,646,399) |
Short-term investments | 236,735 |  |  | (1,888) |  |  | — |  |  | — |  |  | 236,735 |  |  | (1,888) |
Total | $ | 12,975,400 |  |  | $ | (927,531) |  |  | $ | 5,671,580 |  |  | $ | (720,756) |  |  | $ | 18,646,980 |  |  | $ | (1,648,287) |
December 31, 2021 |  |  |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 3,639,582 |  |  | $ | (63,938) |  |  | $ | 98,867 |  |  | $ | (5,256) |  |  | $ | 3,738,449 |  |  | $ | (69,194) |
Mortgage backed securities | 222,176 |  |  | (3,545) |  |  | 46,809 |  |  | (1,865) |  |  | 268,985 |  |  | (5,410) |
Municipal bonds | 26,665 |  |  | (385) |  |  | 16,361 |  |  | (1,024) |  |  | 43,026 |  |  | (1,409) |
Commercial mortgage backed securities | 675,603 |  |  | (2,805) |  |  | 5,908 |  |  | (312) |  |  | 681,511 |  |  | (3,117) |
U.S. government and government agencies | 4,211,621 |  |  | (44,180) |  |  | 33,373 |  |  | (1,787) |  |  | 4,244,994 |  |  | (45,967) |
Non-U.S. government securities | 1,511,301 |  |  | (31,983) |  |  | 62,957 |  |  | (2,766) |  |  | 1,574,258 |  |  | (34,749) |
Asset backed securities | 1,667,002 |  |  | (9,853) |  |  | 33,082 |  |  | (1,255) |  |  | 1,700,084 |  |  | (11,108) |
Total | 11,953,950 |  |  | (156,689) |  |  | 297,357 |  |  | (14,265) |  |  | 12,251,307 |  |  | (170,954) |
Short-term investments | 284,733 |  |  | (590) |  |  | — |  |  | — |  |  | 284,733 |  |  | (590) |
Total | $ | 12,238,683 |  |  | $ | (157,279) |  |  | $ | 297,357 |  |  | $ | (14,265) |  |  | $ | 12,536,040 |  |  | $ | (171,544) |
At December 31, 2022, on a lot level basis, approximately 9,810 security lots out of a total of approximately 12,590 security lots were in an unrealized loss position and the largest single unrealized loss from a single lot in the Company’s fixed maturity portfolio was $7.2 million. The Company believes that such securities were temporarily impaired at December 31, 2022. At December 31, 2021, on a lot level basis, approximately 4,700 security lots out of a total of approximately 10,240 security lots were in an unrealized loss position and the largest single unrealized loss from a single lot in the Company’s fixed maturity portfolio was $1.1 million. The contractual maturities of the Company’s fixed maturities are shown in the following table. Expected maturities, which are management’s best estimates, will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
|  | December 31, 2022 |  | December 31, 2021
Maturity |  | Estimated Fair Value |  | Amortized Cost |  | Estimated Fair Value |  | Amortized Cost
Due in one year or less |  | $ | 510,669 |  |  | $ | 536,962 |  |  | $ | 300,889 |  |  | $ | 299,772 |
Due after one year through five years |  | 11,014,753 |  |  | 11,714,427 |  |  | 8,355,255 |  |  | 8,339,387 |
Due after five years through 10 years |  | 3,984,497 |  |  | 4,527,447 |  |  | 4,689,155 |  |  | 4,684,393 |
Due after 10 years |  | 403,387 |  |  | 479,546 |  |  | 505,758 |  |  | 493,927 |
|  | 15,913,306 |  |  | 17,258,382 |  |  | 13,851,057 |  |  | 13,817,479 |
Mortgage backed securities |  | 795,391 |  |  | 877,043 |  |  | 408,477 |  |  | 411,110 |
Commercial mortgage backed securities |  | 1,047,275 |  |  | 1,107,749 |  |  | 1,046,484 |  |  | 1,047,867 |
Asset backed securities |  | 1,926,817 |  |  | 2,038,689 |  |  | 2,692,091 |  |  | 2,697,367 |
Total |  | $ | 19,682,789 |  |  | $ | 21,281,863 |  |  | $ | 17,998,109 |  |  | $ | 17,973,823 |
Equity Securities, at Fair Value At December 31, 2022, the Company held $860.0 million of equity securities, at fair value, compared to $1.8 billion at December 31, 2021. Net Investment Income The components of net investment income were derived from the following sources:
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
Fixed maturities | $ | 468,659 |  |  | $ | 330,061 |  |  | $ | 412,481 |
Term loans | 2,038 |  |  | 34,843 |  |  | 84,149 |
Equity securities | 22,497 |  |  | 42,396 |  |  | 28,958 |
Short-term investments | 29,519 |  |  | 6,928 |  |  | 10,840 |
Other (1) | 44,609 |  |  | 62,895 |  |  | 72,395 |
Gross investment income | 567,322 |  |  | 477,123 |  |  | 608,823 |
Investment expenses | (70,775) |  |  | (88,005) |  |  | (89,215) |
Net investment income | $ | 496,547 |  |  | $ | 389,118 |  |  | $ | 519,608 |
(1) Includes income distributions from investment funds and other items Net Realized Gains (Losses) Net realized gains (losses) were as follows:
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
Available for sale securities: |  |  |  |  |
Gross gains on investment sales | $ | 81,161 |  |  | $ | 313,886 |  |  | $ | 595,941 |
Gross losses on investment sales | (317,150) |  |  | (156,791) |  |  | (117,282) |
Change in fair value of assets and liabilities accounted for using the fair value option: |  |  |  |  |
Fixed maturities | (70,951) |  |  | 7,953 |  |  | 15,881 |
Other investments | (19,498) |  |  | 116,781 |  |  | 13,656 |
Equity securities | (4,520) |  |  | 13,028 |  |  | 14,629 |
Short-term investments | (3,012) |  |  | 601 |  |  | 2,279 |
Equity securities, at fair value : |  |  |  |  |
Net realized gains (losses) on securities sold | 74,922 |  |  | 122,606 |  |  | 26,849 |
Net unrealized gains (losses) on equity securities still held at reporting date | (267,927) |  |  | 48,746 |  |  | 102,394 |
Allowance for credit losses: |  |  |  |  |
Investments related | (43,909) |  |  | (2,100) |  |  | (3,597) |
Underwriting related | (13,274) |  |  | 1,062 |  |  | (10,007) |
Net impairment losses | — |  |  | — |  |  | (533) |
Derivative instruments (1) | (75,023) |  |  | (32,390) |  |  | 179,675 |
Other (2) | (3,553) |  |  | (53,537) |  |  | 3,575 |
Net realized gains (losses) | $ | (662,734) |  |  | $ | 379,845 |  |  | $ | 823,460 |
(1) See n ote 11, “Derivative Instruments” for information on the Company’s derivative instruments. (2) 2021 period reflected $33.1 million of losses related to the Company’s deconsolidation of Somers. Other Investments The following table summarizes the Company’s other investments and other investable assets:
| December 31,
| 2022 |  | 2021
Fixed maturities | $ | 554,120 |  |  | $ | 416,698 |
Other investments | 1,043,184 |  |  | 1,432,553 |
Short-term investments | 33,101 |  |  | 97,806 |
Equity securities | 13,792 |  |  | 26,493 |
Total other investments | $ | 1,644,197 |  |  | $ | 1,973,550 |
The following table summarizes the Company’s other investments, as detailed in the previous table, by strategy:
| December 31,
| 2022 |  | 2021
Lending | 405,871 |  |  | 536,345 |
Investment grade fixed income | 271,143 |  |  | 147,810 |
Term loan investments | 163,941 |  |  | 484,950 |
Private equity | 123,266 |  |  | 91,126 |
Energy | 22,627 |  |  | 81,692 |
Credit related funds | 56,336 |  |  | 70,278 |
Infrastructure | — |  |  | 20,352 |
Total | $ | 1,043,184 |  |  | $ | 1,432,553 |
Investments Accounted For Using the Equity Method The following table summarizes the Company’s investments accounted for using the equity method, by strategy:
| December 31,
| 2022 |  | 2021
Credit related funds | $ | 1,135,818 |  |  | $ | 1,022,334 |
Private equity | 916,534 |  |  | 436,042 |
Real estate | 535,238 |  |  | 396,395 |
Lending | 531,339 |  |  | 376,649 |
Infrastructure | 245,246 |  |  | 230,070 |
Equities | 169,156 |  |  | 395,090 |
Fixed income | 130,062 |  |  | 101,890 |
Energy | 110,917 |  |  | 119,141 |
Total | $ | 3,774,310 |  |  | $ | 3,077,611 |
In applying the equity method, investments are initially recorded at cost and are subsequently adjusted based on the Company’s proportionate share of the net income or loss of the funds (which include changes in the fair value of the underlying securities in the funds). Such investments are generally recorded on a one to three month lag based on the availability of reports from the investment funds. Equity in Net Income (Loss) of Investments Accounted For Using the Equity Method The Company recorded equity in net income related to investments accounted for using the equity method of $115.9 million for 2022, compared to $366.4 million for 2021 and $146.7 million for 2020. In applying the equity method, investments are initially recorded at cost and are subsequently adjusted based on the Company’s proportionate share of the net income or loss of the funds (which include changes in the market value of the underlying securities in the funds). A summary of financial information for the Company’s investment funds and operating affiliates accounted for using the equity method is as follows:
| December 31,
| 2022 |  | 2021
Invested assets | $ | 74,960,738 |  |  | $ | 58,508,009 |
Total assets | 88,062,991 |  |  | 69,648,905 |
Total liabilities | 27,553,307 |  |  | 17,944,325 |
Net assets | $ | 60,509,684 |  |  | $ | 51,704,580 |
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
Total revenues | $ | 12,305,082 |  |  | $ | 11,785,949 |  |  | $ | 5,762,098 |
Total expenses | 5,374,047 |  |  | 3,238,606 |  |  | 1,656,029 |
Net income (loss) | $ | 6,931,035 |  |  | $ | 8,547,343 |  |  | $ | 4,106,069 |
Certain of the Company’s other investments and investments accounted for using the equity method are in investment funds for which the Company has the option to redeem at agreed upon values as described in each investment fund’s subscription agreement. Depending on the terms of the various subscription agreements, investments in investment funds may be redeemed daily, monthly, quarterly or on other terms. Two common redemption restrictions which may impact the Company’s ability to redeem these investment funds are gates and lockups. A gate is a suspension of redemptions which may be implemented by the general partner or investment manager of the fund in order to defer, in whole or in part, the redemption request in the event the aggregate amount of redemption requests exceeds a predetermined percentage of the investment fund's net assets which may otherwise hinder the general partner or investment manager's ability to liquidate holdings in an orderly fashion in order to generate the cash necessary to fund extraordinarily large redemption payouts. A lockup period is the initial amount of time an investor is contractually required to hold the security before having the ability to redeem. If the investment funds are eligible to be redeemed, the time to redeem such fund can take weeks or months following the notification. Limited Partnership Interests In the normal course of its activities, the Company invests in limited partnerships as part of its overall investment strategy. Such amounts are included in ‘investments accounted for using the equity method’ and ‘investments accounted for using the fair value option.’ The Company determined that these limited partnership interests represented variable interests in the funds. The Company’s maximum exposure to loss with respect to these investments is limited to the investment carrying amounts reported in the Company’s consolidated balance sheet and any unfunded commitment. The following table summarizes investments in limited partnership interests where the Company has a variable interest by balance sheet item:
| December 31,
| 2022 |  | 2021
Investments accounted for using the equity method (1) | $ | 3,774,310 |  |  | $ | 3,077,611 |
Investments accounted for using the fair value option (2) | 130,466 |  |  | 170,595 |
Total | $ | 3,904,776 |  |  | $ | 3,248,206 |
(1) Aggregate unfunded commitments were $2.6 billion at December 31, 2022, consistent with $2.6 billion at December 31, 2021. (2) Aggregate unfunded commitments were $16.7 million at December 31, 2022, compared to $18.8 million at December 31, 2021. Investments in Operating Affiliates Investments in which the Company has significant influence over the operating and financial policies are classified as ‘investments in operating affiliates’ on the Company’s balance sheets and are accounted for under the equity method. Such investments primarily include the Company’s investment in Coface SA (“Coface”), Greysbridge and Premia. Investments in Coface and Premia are generally recorded on a three month lag, while the Company’s investment in Greysbridge is not recorded on a lag. In 2021, the Company completed the share purchase agreement with Natixis to purchase 29.5% of the common equity of Coface, a France-based leader in the global trade credit insurance market. The consideration paid was €9.95 per share, or an aggregate €453 million (approximately $546 million) including related fees. Income (loss) from operating affiliates reflected a one-time gain of $74.5 million realized from the acquisition. As a result of equity method accounting rules, approximately $36 million of additional gain was deferred and will generally be recognized over the next five years. As of December 31, 2022, the Company owned approximately 29.9% of the issued shares of Coface, or 30.1% excluding treasury shares, with a carrying value of $562.9 million, compared to $630.5 million at December 31, 2021. In July 2021, the Company announced the completion of the previously disclosed acquisition of Somers by Greysbridge for a cash purchase price of $35.00 per common share. Effective July 1, 2021, Somers is wholly owned by Greysbridge, and Greysbridge is owned 40% by the Company, 30% by certain investment funds managed by Kelso and 30% by certain investment funds managed by Warburg. At December 31, 2022 the Company’s carrying value in Greysbridge was $305.6 million, compared to $375.7 million at December 31, 2021. The Company’s carrying value in Greysbridge at December 31, 2021 reflected aggregate purchase price of $278.9 million along with income (loss) from operating affiliates, which included a one-time gain of $95.7 million recognized from the acquisition. In addition, the ‘net realized gains (losses)’ line on the Company’s consolidated statements of income included a $33.1 million loss as a result of deconsolidation of Somers in the Company’s financial statements following the close of the transaction. See note 12, “Variable Interest Entity and Noncontrolling Interests.” The Company recorded income from operating affiliates of $73.9 million for 2022, compared to income of $264.7 million for 2021 and $16.8 million for 2020. Allowance for Expected Credit Losses The following table provides a roll forward of the allowance for expected credit losses of the Company’s securities classified as available for sale:
Year Ended December 31, 2022 |  | Structured Securities (1) |  | Municipal Bonds |  | Non-U.S. Government Securities |  | Corporate Bonds |  |  |  | Total
Balance at beginning of period |  | $ | 802 |  |  | $ | 2 |  |  | $ | 82 |  |  | $ | 1,997 |  |  |  |  | $ | 2,883 |
Additions for current-period provision for expected credit losses |  | 14,184 |  |  | 359 |  |  | 1,616 |  |  | 39,477 |  |  |  |  | 55,636 |
Additions (reductions) for previously recognized expected credit losses |  | (3,184) |  |  | (261) |  |  | 275 |  |  | (8,619) |  |  |  |  | (11,789) |
Reductions due to disposals |  | (2,379) |  |  | — |  |  | (91) |  |  | (2,905) |  |  |  |  | (5,375) |
Balance at end of period |  | $ | 9,423 |  |  | $ | 100 |  |  | $ | 1,882 |  |  | $ | 29,950 |  |  |  |  | $ | 41,355 |
Year Ended December 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  | $ | 1,490 |  |  | $ | 11 |  |  | $ | — |  |  | $ | 896 |  |  |  |  | $ | 2,397 |
Additions for current-period provision for expected credit losses |  | 602 |  |  | — |  |  | 82 |  |  | 2,858 |  |  |  |  | 3,542 |
Additions (reductions) for previously recognized expected credit losses |  | (847) |  |  | (9) |  |  | — |  |  | (402) |  |  |  |  | (1,258) |
Reductions due to disposals (2) |  | (443) |  |  | — |  |  | — |  |  | (1,355) |  |  |  |  | (1,798) |
Balance at end of period |  | $ | 802 |  |  | $ | 2 |  |  | $ | 82 |  |  | $ | 1,997 |  |  |  |  | $ | 2,883 |
(1) Includes asset backed securities, mortgage backed securities and commercial mortgage backed (2) Reduction for the 2021 periods primarily related to the Company’s deconsolidation of Somers. Restricted Assets The Company is required to maintain assets on deposit, which primarily consist of fixed maturities, with various regulatory authorities to support its underwriting operations. The Company’s subsidiaries maintain assets in trust accounts as collateral for transactions with affiliated companies and also have investments in segregated portfolios primarily to provide collateral or guarantees for letters of credit to third parties The following table details the value of the Company’s restricted assets:
| December 31,
| 2022 |  | 2021
Assets used for collateral or guarantees: |  |  |
Affiliated transactions | $ | 4,254,398 |  |  | $ | 4,223,955 |
Third party agreements | 2,632,892 |  |  | 2,289,631 |
Deposits with U.S. regulatory authorities | 776,342 |  |  | 798,100 |
Other (1) | 1,037,848 |  |  | 938,046 |
Total restricted assets | $ | 8,701,480 |  |  | $ | 8,249,732 |
(1) Primarily includes Funds at Lloyds, deposits with non-U.S. regulatory authorities and other restricted assets. Reconciliation of Cash and Restricted Cash The following table details reconciliation of cash and restricted cash within the Consolidated Balance Sheets:
| December 31,
| 2022 |  | 2021 |  | 2020
Cash | $ | 855,118 |  |  | $ | 858,668 |  |  | $ | 906,448 |
Restricted cash (included in ‘other assets’) | 418,210 |  |  | 456,103 |  |  | 384,096 |
Cash and restricted cash | $ | 1,273,328 |  |  | $ | 1,314,771 |  |  | $ | 1,290,544 |

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