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Investment Information - Net realized gains and losses (Details) - USD ($)
$ in Thousands

3 Months Ended

9 Months Ended

Sep. 30, 2021

Sep. 30, 2020

Sep. 30, 2021

Sep. 30, 2020

Available for sale securities:

Available for sale securities, gross gains on investment sales

$ 86,819

$ 104,733

$ 267,362

$ 515,086

Available for sale securities, gross losses on investment sales

(18,446)

(16,862)

(132,071)

(98,654)

Equity securities, at fair value:

Net realized gains (losses) on sales during the period

14,736

26,549

86,155

7,760

Net unrealized gains (losses) on equity securities still held at reporting date

(40,155)

33,562

45,400

3,682

Allowance for credit losses:

Allowance for credit losses - underwriting related

(3,985)

351

2,664

(8,753)

Net impairment losses

0

(533)

Derivative instruments

^[1]

(21,435)

20,369

(36,428)

146,722

Other

^[2]

(41,495)

7,303

(54,316)

(1,309)

Net realized gains (losses)

(25,040)

280,499

320,328

470,127

Net loss on deconsolidation

33,100

33,100

Fixed maturities

Available for sale securities:

Change in fair value of assets and liabilities accounted for using the fair value option

(7,492)

34,115

19,973

(25,370)

Allowance for credit losses:

Allowance for credit losses - investment related

(456)

1,332

(1,208)

(4,763)

Other investments

Available for sale securities:

Change in fair value of assets and liabilities accounted for using the fair value option

3,811

61,622

111,550

(67,608)

Equity securities

Available for sale securities:

Change in fair value of assets and liabilities accounted for using the fair value option

3,042

4,048

10,599

5,803

Short-term investments

Available for sale securities:

Change in fair value of assets and liabilities accounted for using the fair value option

$ 16

$ 3,377

$ 648

$ (1,936)

[1]	See note 10 for information on the Company’s derivative instruments.
[2]	2021 periods reflected $33.1 million of losses related to the Company’s deconsolidation of Watford.

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