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v3.20.2

Variable Interest Entities and Noncontrolling Interests - Carrying amount of assets and liabilities of variable interest entity (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | --- | --- | --- | --- | ---
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Investments accounted for using the fair value option |  | $ 3,749,575 |  | $ 3,663,477 |  |  |
Fixed maturities available for sale, at fair value |  | 18,452,888 |  | 16,894,526 |  |  |
Equity securities, at fair value |  | 1,502,015 |  | 838,925 |  |  |
Cash |  | 976,398 |  | 726,230 |  |  |
Accrued investment income |  | 106,940 |  | 117,937 |  |  |
Premiums receivable |  | 2,225,311 | $ 2,203,753 | 1,778,717 |  |  |
Reinsurance recoverable on unpaid and paid losses and LAE |  | 4,621,937 | 4,363,507 | 4,346,816 |  |  |
Ceded unearned premiums |  | 1,450,200 |  | 1,234,683 |  |  |
Deferred acquisition costs |  | 750,901 |  | 633,400 |  |  |
Receivable for securities sold |  | 158,674 |  | 24,133 |  |  |
Goodwill and intangible assets |  | 713,777 |  | 738,083 | $ 624,500 |  |
Other assets |  | 1,771,998 |  | 1,383,788 |  |  |
Total assets |  | 42,716,035 |  | 37,885,361 |  |  |
Reserve for losses and loss adjustment expenses |  | 15,900,526 | 15,044,874 | 13,891,842 | 12,389,384 | $ 12,230,316 | $ 11,853,297
Unearned premiums |  | 5,062,052 |  | 4,339,549 |  |  |
Reinsurance balances payable |  | 873,067 |  | 667,072 |  |  |
Revolving credit agreement borrowings |  | 210,687 |  | 484,287 |  |  |
Senior notes |  | 2,860,811 |  | 1,871,626 |  |  |
Payable for securities purchased |  | 382,236 |  | 87,579 |  |  |
Other liabilities |  | 1,681,181 |  | 1,513,330 |  |  |
Total liabilities |  | 29,448,283 |  | 25,569,809 |  |  |
Redeemable noncontrolling interests |  | 57,835 |  | 55,404 |  |  |
Watford Holdings Ltd |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Redeemable noncontrolling interests |  | 57,835 | $ 55,986 | 55,404 | $ 48,789 | $ 206,475 | $ 206,292
Variable Interest Entity, Primary Beneficiary | Watford Holdings Ltd |  |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |  |
Investments accounted for using the fair value option |  | 1,937,037 |  | 1,898,091 |  |  |
Fixed maturities available for sale, at fair value |  | 649,781 |  | 745,708 |  |  |
Equity securities, at fair value |  | 52,807 |  | 65,338 |  |  |
Cash |  | 195,333 |  | 102,437 |  |  |
Accrued investment income |  | 16,234 |  | 14,025 |  |  |
Premiums receivable |  | 263,748 |  | 273,657 |  |  |
Reinsurance recoverable on unpaid and paid losses and LAE |  | 263,293 |  | 170,973 |  |  |
Ceded unearned premiums |  | 131,885 |  | 132,577 |  |  |
Deferred acquisition costs |  | 58,583 |  | 64,044 |  |  |
Receivable for securities sold |  | 1,730 |  | 16,287 |  |  |
Goodwill and intangible assets |  | 7,650 |  | 7,650 |  |  |
Other assets |  | 75,139 |  | 60,070 |  |  |
Total assets |  | 3,653,220 |  | 3,550,857 |  |  |
Reserve for losses and loss adjustment expenses |  | 1,429,656 |  | 1,263,628 |  |  |
Unearned premiums |  | 459,476 |  | 438,907 |  |  |
Reinsurance balances payable |  | 68,339 |  | 77,066 |  |  |
Revolving credit agreement borrowings |  | 210,687 |  | 484,287 |  |  |
Senior notes |  | 172,621 |  | 172,418 |  |  |
Payable for securities purchased |  | 76,567 |  | 18,180 |  |  |
Other liabilities | [1] | 316,599 |  | 171,714 |  |  |
Total liabilities |  | 2,733,945 |  | 2,626,200 |  |  |
Redeemable noncontrolling interests |  | $ 52,375 |  | $ 52,305 |  |  |
[1] | Includes certain borrowings related to investing activities.

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