Equity (Tables)

12 Months Ended

Dec. 31, 2016

Equity Awards, Options

1. Options

	Year ended December 31, 2016
	Number			Weighted average exercise price ($)		Weighted average remaining contractual term (years)		Aggregate intrinsic value ($ in thousands)
Outstanding at beginning of year		1,500,864			11.63
Changes during the year:
Granted		10,393			27.45
Exercised		(683,374	)		10.44
Forfeited or expired		(51,304	)		12.43
Outstanding at end of year		776,579			12.83		3.65		15,982
Exercisable at end of year		474,563			11.77		3.15		10,272

Equity Awards, RSUs

3. RSUs

	Year ended December 31, 2016
	Number			Weighted average grant date fair value ($)
Outstanding at beginning of year		666,493			16.72
Changes during the year:
Awarded		445,863			27.45
Vested		(179,070	)		14.52
Forfeited		(49,527	)		17.86
Outstanding at end of year		883,759			22.58

Non Employee [Member]

Equity Awards, Options

1. Options

	Year ended December 31, 2016
	Number			Weighted average exercise price ($)		Weighted average remaining contractual term (years)		Aggregate intrinsic value ($ in thousands)
Outstanding at beginning of year		47,948			12.00
Changes during the year:
Granted		0
Exercised		(13,647	)		10.69
Forfeited or expired		(2,750	)		10.26
Outstanding at end of year		31,551			12.72		2.81		653
Exercisable at end of year		18,060			11.73		11.62		392

Equity Awards, RSUs

2. RSUs

	Year ended December 31, 2016
	Number			Weighted average grant date fair value ($)
Outstanding at beginning of year		13,334			16.36
Changes during the year:
Awarded		6,390			29.43
Vested		(3,042	)		13.04
Forfeited		0
Outstanding at end of year		16,682			22.03