Condensed Consolidated Statement of Shareholders' Equity - 6 months ended Jun. 30, 2017 - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Other Comprehensive Loss
BALANCES AT at Dec. 31, 2016	$ 819,184	$ 521,860	$ 319,291	$ (21,967)
BALANCES AT (in Shares) at Dec. 31, 2016	124,390,217	124,390,000
Increase (Decrease) in Stockholders' Equity
Consolidated net income	$ 43,564		43,564
Exercise of stock options	$ 7,060	$ 7,060
Exercise of stock options (in Shares)	500,000	459,000
Restricted stock units	$ 3,037	$ 3,037
Restricted stock units (in Shares)		14,000
Stock-based compensation expense - stock options	6,270	$ 6,270
Foreign currency translation gain	5,265			5,265
Stock compensation plan withholdings for employee taxes (in Shares)		(5,000)
Stock compensation plan withholdings for employee taxes	(164)	$ (164)
Unrealized holding gain on available-for-sale securities	272			272
Akorn AG pension liability adjustment	247			247
Employee stock purchase plan	537	537
BALANCES AT at Jun. 30, 2017	$ 885,272	$ 538,600	$ 362,855	$ (16,183)
BALANCES AT (in Shares) at Jun. 30, 2017	124,858,261	124,858,000