Earnings Per Share - (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The Company’s basic and diluted earnings per share amounts are as follows:

	Three Months Ended March 31,
	2016		2015
Numerator:
Net income	$	13,939	$	1,848
Denominator:
Basic earnings per share - weighted average shares outstanding	30,957		31,928
Effect of potential dilutive securities:
Employee stock options and restricted stock units - dilutive shares	697		621
Diluted earnings per share - weighted average shares outstanding	31,654		32,549
Earnings per share:
Basic	$	0.45	$	0.06
Diluted	$	0.44	$	0.06