CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues
Revenues	$ 802,025	$ 506,756	$ 1,483,392	$ 952,529
Investment income	5,130	4,285	9,074	9,503
Net realized and unrealized gains (losses)	11,654	5,064	14,929	(6,027)
Revenues	818,809	516,105	1,507,395	956,005
Expenses
Amounts retained by agencies	322,020	228,720	605,955	428,086
Employee costs	188,467	137,528	357,864	273,180
Other operating expenses	137,796	74,613	263,279	146,473
Title losses and related claims	33,569	21,541	62,342	40,172
Depreciation and amortization	6,819	4,061	13,249	8,292
Interest	682	622	1,248	1,513
Total expenses	689,353	467,085	1,303,937	897,716
Income before taxes and noncontrolling interests	129,456	49,020	203,458	58,289
Income tax expense	(30,616)	(11,340)	(47,496)	(13,235)
Net income	98,840	37,680	155,962	45,054
Less net income attributable to noncontrolling interests	4,021	3,534	6,907	5,731
Net income attributable to Stewart	94,819	34,146	149,055	39,323
Net income	98,840	37,680	155,962	45,054
Other comprehensive income (loss), net of taxes:
Foreign currency translation adjustments	1,379	4,194	3,246	(7,248)
Change in net unrealized gains and losses on investments	1,009	16,715	(8,147)	14,135
Reclassification adjustment for realized gains and losses on investments	(418)	(21)	(563)	(101)
Other comprehensive income (loss), net of taxes:	1,970	20,888	(5,464)	6,786
Comprehensive income	100,810	58,568	150,498	51,840
Less net income attributable to noncontrolling interests	4,021	3,534	6,907	5,731
Comprehensive income attributable to Stewart	$ 96,789	$ 55,034	$ 143,591	$ 46,109
Basic average shares outstanding (in shares)	26,798	23,656	26,767	23,647
Basic earnings per share attributable to Stewart (in usd per share)	$ 3.54	$ 1.44	$ 5.57	$ 1.66
Diluted average shares outstanding (in shares)	27,123	23,756	27,038	23,757
Diluted earnings per share attributable to Stewart (in usd per share)	$ 3.50	$ 1.44	$ 5.51	$ 1.66
Direct operations
Revenues
Revenues	$ 353,502	$ 218,214	$ 633,007	$ 416,496
Agency operations
Revenues
Revenues	390,330	277,387	736,261	519,417
Ancillary services
Revenues
Revenues	58,193	11,155	114,124	16,616
Operating revenues
Revenues
Revenues	$ 802,025	$ 506,756	$ 1,483,392	$ 952,529