CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues
Operating revenues	$ 3,048,351	$ 3,264,616	$ 2,271,503
Investment income	22,421	16,855	18,607
Net realized and unrealized (losses) gains	(1,476)	24,321	(1,678)
Revenues	3,069,296	3,305,792	2,288,432
Expenses
Amounts retained by agencies	1,208,307	1,300,431	944,480
Employee costs	802,001	776,968	613,195
Other operating expenses	648,022	626,762	375,188
Title losses and related claims	102,733	126,243	115,224
Depreciation and amortization	57,178	36,386	19,216
Interest	18,403	5,031	2,624
Total expenses	2,836,644	2,871,821	2,069,927
Income before taxes and noncontrolling interests	232,652	433,971	218,505
Income tax expense	(50,864)	(93,989)	(48,833)
Net income	181,788	339,982	169,672
Less net income attributable to noncontrolling interests	19,483	16,766	14,767
Net income attributable to Stewart	162,305	323,216	154,905
Net income attributable to Stewart
Net income	181,788	339,982	169,672
Other comprehensive (loss) income, net of taxes:
Foreign currency translation adjustments	(14,939)	(679)	4,789
Change in net unrealized gains and losses on investments	(35,416)	(13,650)	15,443
Reclassification adjustment for realized gains and losses on investments	(1,241)	(2,440)	(511)
Other comprehensive (loss) income	(51,596)	(16,769)	19,721
Comprehensive income	130,192	323,213	189,393
Less comprehensive income attributable to noncontrolling interests	19,483	16,766	14,767
Comprehensive income attributable to Stewart	$ 110,709	$ 306,447	$ 174,626
Basic average shares outstanding (in shares)	27,055	26,822	24,793
Basic earnings per share attributable to Stewart (in usd per share)	$ 6.00	$ 12.05	$ 6.25
Diluted average shares outstanding (in shares)	27,347	27,168	24,913
Diluted earnings per share attributable to Stewart (in usd per share)	$ 5.94	$ 11.90	$ 6.22
Direct operations
Revenues
Operating revenues	$ 1,246,258	$ 1,390,921	$ 1,037,852
Agency operations
Revenues
Operating revenues	1,466,243	1,582,640	1,151,030
Real estate solutions and other
Revenues
Operating revenues	$ 335,850	$ 291,055	$ 82,621