Earnings per share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of earnings per share, basic and diluted

The calculation of the basic and diluted EPS is as follows:

	Three Months Ended   March 31,
	2018		2017
	($000 omitted, except per share)
Numerator:
Net (loss) income attributable to Stewart	(3,780	)	4,087
Denominator (000):
Basic average shares outstanding	23,508		23,433
Average number of dilutive shares relating to grants of restricted shares and units	—		136
Diluted average shares outstanding	23,508		23,569
Basic (loss) earnings per share attributable to Stewart	(0.16	)	0.17
Diluted (loss) earnings per share attributable to Stewart	(0.16	)	0.17