Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues
Net earned premiums	$ 181,902	$ 196,426	$ 379,797	$ 390,917
Net investment income	9,916	10,574	20,626	22,325
(Losses) Earnings from partnership investments	(3,449)	735	(2,110)	1,570
Net realized (losses) gains on investments	(721)	483	(1,352)	319
Change in net unrealized gains on equity investments	16,828	3,754	(13,160)	15,555
Net impairment losses on investments (a)		(54)		(274)
Credit loss expense	39		(2,471)
Finance and other service income	3,255	4,084	7,484	8,169
Total revenue	207,770	216,002	388,814	438,581
Expenses
Losses and loss adjustment expenses	90,974	122,393	211,720	248,420
Underwriting, operating and related expenses	63,514	60,908	126,596	121,342
Interest expense	130	23	177	45
Total expenses	154,618	183,324	338,493	369,807
Income before income taxes	53,152	32,678	50,321	68,774
Income tax expense	10,658	6,744	9,817	12,894
Net income	$ 42,494	$ 25,934	$ 40,504	$ 55,880
Earnings per Weighted Average Common Share
Basic (in dollars per share)	$ 2.80	$ 1.70	$ 2.66	$ 3.66
Diluted (in dollars per share)	2.78	1.68	2.64	3.63
Cash dividends paid per common share (in dollars per share)	$ 0.90	$ 0.80	$ 1.80	$ 1.60
Number of shares used in computing earnings per share:
Basic (in shares)	15,120,039	15,220,822	15,175,409	15,181,034
Diluted (in shares)	15,237,295	15,346,234	15,292,186	15,326,121