CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenues
Net premiums earned	$ 1,340,820	$ 1,258,041
Net investment income	207,713	167,383
Other insurance related income	3,578	8,340
Net investment gains (losses):
(Increase) decrease in allowance for expected credit losses	(2,729)	4,664
Impairment losses	(1,926)	(8)
Other realized and unrealized investment gains (losses)	(25,350)	(13,863)
Total net investment gains (losses)	(30,005)	(9,207)
Total revenues	1,522,106	1,424,557
Expenses
Net losses and loss expenses	785,925	728,671
Acquisition costs	264,581	254,254
General and administrative expenses	159,163	163,373
Foreign exchange losses (gains)	57,034	(23,552)
Interest expense and financing costs	16,572	17,147
Reorganization expenses	0	12,299
Amortization of intangible assets	2,729	2,729
Total expenses	1,286,004	1,154,921
Income before income taxes and interest in income of equity method investments	236,102	269,636
Income tax (expense) benefit	(44,322)	124,654
Interest in income of equity method investments	2,291	1,169
Net income	194,071	395,459
Preferred share dividends	7,563	7,563
Net income available to common shareholders	$ 186,508	$ 387,896
Earnings per common share:
Earnings per common share (in usd per share)	$ 2.30	$ 4.57
Earnings per diluted common share (in usd per share)	$ 2.26	$ 4.53
Weighted average common shares outstanding (in shares)	81,152	84,879
Weighted average diluted common shares outstanding (in shares)	82,378	85,693