Shareholders' Equity (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Stockholders' Equity Note [Abstract]
Common stock and additional paid-in capital, beginning of period	$ 1,374
Income tax benefit of common stock options exercised	1,041
Common stock issued pursuant to stock-based compensation plans, net	3,975
Stock-based compensation arrangements	6,187
Common stock and additional paid-in capital, end of period	$ 12,577