XML 62 R45.htm IDEA: XBRL DOCUMENT v3.20.4
Investment Information (Tables)
12 Months Ended
Dec. 31, 2020
Disclosure Investment Information [Abstract]  
Summary of fair value and cost or amortized cost of available for sale securities
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 GainsGross Unrealized LossesAllowance for Expected Credit Losses (2)Cost or
Amortized
Cost
December 31, 2020
Fixed maturities (1):
Corporate bonds$7,856,571 $414,247 $(34,388)$(896)$7,477,608 
Mortgage backed securities630,001 8,939 (5,028)(278)626,368 
Municipal bonds494,522 27,291 (3,835)(11)471,077 
Commercial mortgage backed securities389,900 8,722 (2,954)(122)384,254 
U.S. government and government agencies5,557,077 22,612 (12,611)— 5,547,076 
Non-U.S. government securities2,433,733 153,891 (8,060)— 2,287,902 
Asset backed securities1,634,804 19,225 (10,715)(1,090)1,627,384 
Total18,996,608 654,927 (77,591)(2,397)18,421,669 
Short-term investments1,924,922 2,693 (2,063)— 1,924,292 
Total$20,921,530 $657,620 $(79,654)$(2,397)$20,345,961 
December 31, 2019
Fixed maturities (1):
Corporate bonds$6,406,591 $191,889 $(12,793)$6,227,495 
Mortgage backed securities562,309 9,669 (931)553,571 
Municipal bonds881,926 24,628 (2,213)859,511 
Commercial mortgage backed securities733,108 14,951 (2,330)720,487 
U.S. government and government agencies4,916,592 36,600 (10,134)4,890,126 
Non-U.S. government securities2,078,757 48,549 (20,330)2,050,538 
Asset backed securities1,683,753 24,017 (4,724)1,664,460 
Total17,263,036 350,303 (53,455)16,966,188 
Short-term investments956,546 811 (1,548)957,283 
Total$18,219,582 $351,114 $(55,003)$17,923,471 
(1)    In securities lending transactions, the Company receives collateral in excess of the fair value of the fixed maturities pledged. For purposes of this table, the Company has excluded the collateral received under securities lending, at fair value and included the securities pledged under securities lending, at fair value. See “—Securities Lending Agreements.”
(2) Effective January 1, 2020, the Company adopted ASU 2016-13 and as a result any credit impairment losses on the Company’s available-for-sale investments are recorded as an allowance, subject to reversal. See note 3.
Summary of available for sale securities in a continual unrealized loss position
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 Months12 Months or MoreTotal
Estimated Fair
Value
Gross Unrealized LossesEstimated Fair
Value
Gross Unrealized LossesEstimated Fair
Value
Gross Unrealized Losses
December 31, 2020
Fixed maturities (1):
Corporate bonds$747,442 $(33,086)$3,934 $(1,302)$751,376 $(34,388)
Mortgage backed securities284,619 (4,788)3,637 (240)288,256 (5,028)
Municipal bonds67,937 (3,835)— — 67,937 (3,835)
Commercial mortgage backed securities126,624 (2,916)2,655 (38)129,279 (2,954)
U.S. government and government agencies1,285,907 (12,611)— — 1,285,907 (12,611)
Non-U.S. government securities543,844 (7,658)2,441 (402)546,285 (8,060)
Asset backed securities634,470 (9,110)57,737 (1,605)692,207 (10,715)
Total3,690,843 (74,004)70,404 (3,587)3,761,247 (77,591)
Short-term investments97,920 (2,063)— — 97,920 (2,063)
Total$3,788,763 $(76,067)$70,404 $(3,587)$3,859,167 $(79,654)
December 31, 2019
Fixed maturities (1):
Corporate bonds$675,131 $(12,350)$37,671 $(443)$712,802 $(12,793)
Mortgage backed securities102,887 (927)203 (4)103,090 (931)
Municipal bonds220,296 (2,213)— — 220,296 (2,213)
Commercial mortgage backed securities147,290 (2,302)2,683 (28)149,973 (2,330)
U.S. government and government agencies1,373,127 (10,089)32,058 (45)1,405,185 (10,134)
Non-U.S. government securities1,224,243 (20,163)37,610 (167)1,261,853 (20,330)
Asset backed securities441,522 (3,334)48,313 (1,390)489,835 (4,724)
Total4,184,496 (51,378)158,538 (2,077)4,343,034 (53,455)
Short-term investments95,777 (1,548)— — 95,777 (1,548)
Total$4,280,273 $(52,926)$158,538 $(2,077)$4,438,811 $(55,003)
(1)    In securities lending transactions, the Company receives collateral in excess of the fair value of the fixed maturities pledged. For purposes of this table, the Company has excluded the collateral received and reinvested and included the fixed maturities pledged. See “—Securities Lending Agreements.”
Contractual maturities of the Company's fixed maturities and fixed maturities pledged under securities lending arrangements
December 31, 2020December 31, 2019
Maturity
Estimated Fair Value
Amortized Cost
Estimated Fair Value
Amortized Cost
Due in one year or less$348,200 $339,951 $428,659 $423,617 
Due after one year through five years10,629,959 10,340,819 10,126,403 9,996,206 
Due after five years through 10 years4,881,564 4,654,754 3,317,535 3,219,567 
Due after 10 years482,180 448,139 411,269 388,280 
16,341,903 15,783,663 14,283,866 14,027,670 
Mortgage backed securities630,001 626,368 562,309 553,571 
Commercial mortgage backed securities389,900 384,254 733,108 720,487 
Asset backed securities1,634,804 1,627,384 1,683,753 1,664,460 
Total (1)$18,996,608 $18,421,669 $17,263,036 $16,966,188 
(1)    In securities lending transactions, the Company receives collateral in excess of the fair value of the fixed maturities pledged. For purposes of this table, the Company has excluded the collateral received and reinvested and included the fixed maturities pledged. See “—Securities Lending Agreements.”
Summary of securities lending transactions accounted for as secured borrowings, with significant investment categories
The Company’s securities lending transactions were accounted for as secured borrowings with significant investment categories as follows:
Remaining Contractual Maturity of the Agreements
Overnight and ContinuousLess than 30 Days30-90 Days90 Days or MoreTotal
December 31, 2020
U.S. government and government agencies$142,317 $— $139,290 $— $281,607 
Corporate bonds3,021 — — — 3,021 
Equity securities16,461 — — — 16,461 
Total$161,799 $— $139,290 $— $301,089 
Gross amount of recognized liabilities for securities lending in offsetting disclosure in Note 11
— 
Amounts related to securities lending not included in offsetting disclosure in Note 11
$301,089 
December 31, 2019
U.S. government and government agencies$240,332 $— $115,973 $— $356,305 
Corporate bonds2,570 — — — 2,570 
Equity securities29,491 — — — 29,491 
Total$272,393 $— $115,973 $— $388,366 
Gross amount of recognized liabilities for securities lending in offsetting disclosure in Note 11
— 
Amounts related to securities lending not included in offsetting disclosure in Note 11
$388,366 
Summary of other investments, including available for sale and fair value option components
The following table summarizes the Company’s other investments, as detailed in the previous table, by strategy:

December 31,

2020

2019
Term loan investments
1,231,731 1,326,018 
Lending572,636 602,841 
Credit related funds90,780 123,020 
Energy65,813 97,402 
Investment grade fixed income138,646 151,594 
Infrastructure165,516 61,786 
Private equity48,750 49,376 
Real estate18,013 17,279 
Total
$2,331,885 $2,429,316 
Summary information for 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,

20202019
Credit related funds$740,060 $428,437 
Equities343,058 293,686 
Real estate258,518 246,851 
Lending179,629 202,690 
Private equity235,289 144,983 
Infrastructure175,882 235,033 
Energy115,453 108,716 
Total
$2,047,889 $1,660,396 
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.
A summary of financial information for the Company’s investment funds accounted for using the equity method is as follows:
December 31,
20202019
Invested assets$44,131,377 $26,383,370 
Total assets49,078,464 28,039,181 
Total liabilities6,054,189 3,595,695 
Net assets$43,024,275 $24,443,486 
Year Ended December 31,
202020192018
Total revenues$5,762,098 $164,669 $4,565,354 
Total expenses1,656,029 528,762 1,135,602 
Net income (loss)$4,106,069 $(364,093)$3,429,752 
Summary of assets and liabilities accounted for using the fair value option
The following table summarizes the Company’s other investments and other investable assets:
December 31,
20202019
Fixed maturities$843,354 $754,452 
Other investments2,331,885 2,429,316 
Short-term investments557,008 377,014 
Equity securities92,549 102,695 
Investments accounted for using the fair value option3,824,796 3,663,477 
Other investable assets (1)500,000 — 
Total other investments$4,324,796 $3,663,477 
(1) Participation interests in a receivable of a reverse repurchase agreement
Summary of investments in limited partnership interests where the Company has a variable interest
The following table summarizes investments in limited partnership interests where the Company has a variable interest by balance sheet item:
December 31,
20202019
Investments accounted for using the equity method (1)$2,047,889 $1,660,396 
Investments accounted for using the fair value option (2)184,720 188,283 
Total$2,232,609 $1,848,679 
(1)     Aggregate unfunded commitments were $1.8 billion at December 31, 2020, compared to $1.4 billion at December 31, 2019.
(2)    Aggregate unfunded commitments were $35.6 million at December 31, 2020, compared to $41.7 million at December 31, 2019.
Components of net investment income
The components of net investment income were derived from the following sources:
Year Ended December 31,
202020192018
Fixed maturities$412,481 $505,399 $470,912 
Term loans84,149 98,949 87,926 
Equity securities28,958 15,857 13,154 
Short-term investments10,840 15,820 18,793 
Other (1)72,395 80,618 64,942 
Gross investment income608,823 716,643 655,727 
Investment expenses(89,215)(88,905)(92,094)
Net investment income$519,608 $627,738 $563,633 
(1)    Includes income distributions from investment funds and other items.
Summary of net realized gains (losses)
Net realized gains (losses) were as follows:

Year Ended December 31,
202020192018
Available for sale securities:
Gross gains on investment sales$595,941 $235,655 $69,299 
Gross losses on investment sales(117,282)(104,612)(223,123)
Change in fair value of assets and liabilities accounted for using the fair value option:
Fixed maturities15,881 41,910 (90,898)
Other investments13,656 (35,734)(90,778)
Equity securities14,629 15,869 (5,984)
Short-term investments2,279 3,801 (461)
Equity securities, at fair value (1):
Net realized gains (losses) on securities sold26,849 11,313 (40,117)
Net unrealized gains (losses) on equity securities still held at reporting date102,394 97,768 (22,828)
Allowance for credit losses:(3)
Investments related(3,597)— — 
Underwriting related(10,007)— — 
Net impairment losses(533)(3,165)(2,829)
Derivative instruments (2)179,675 119,741 15,636 
Other3,575 (19,348)(16,090)
Net realized gains (losses)$823,460 $363,198 $(408,173)
(1)    Effective January 1, 2018, changes in fair value on equity securities are recorded through net income.
(2)    See Note 11 for information on the Company’s derivative instruments.
(3)    Adoption of ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326)” See note 3.
Rollforward of the allowance for expected credit losses of securities classified as available for sale
The following table provides a roll forward of the allowance for expected credit losses of the Company’s securities classified as available for sale:
Year Ended December 31, 2020
Structured Securities (1)Municipal
Bonds
Corporate
Bonds
Total
Balance at beginning of period$— $— $— $— 
Cumulative effect of accounting change (2)517 — 117 634 
Additions for current-period provision for expected credit losses2,942 67 7,644 10,653 
Additions (reductions) for previously recognized expected credit losses (1,398)(5,638)(7,030)
Reductions due to disposals(571)(62)(1,227)(1,860)
Write-offs charged against the allowance— — — — 
Balance at end of period$1,490 $11 $896 $2,397 
(1)    Includes asset backed securities, mortgage backed securities and commercial mortgage backed securities.
(2)    Adoption of ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326)” See note 3
Summary of restricted assets
The following table details the value of the Company’s restricted assets:
December 31,
20202019
Assets used for collateral or guarantees:
Affiliated transactions$4,643,334 $4,526,761 
Third party agreements3,083,324 2,278,248 
Deposits with U.S. regulatory authorities827,552 797,371 
Deposits with non-U.S. regulatory authorities179,099 119,238 
Total restricted assets$8,733,309 $7,721,618 
Reconciliation of cash and restricted cash
The following table details reconciliation of cash and restricted cash within the Consolidated Balance Sheets:
December 31,
202020192018
Cash$906,448 $726,230 $646,556 
Restricted cash (included in ‘other assets’)384,096 177,468 78,087 
Cash and restricted cash$1,290,544 $903,698 $724,643