CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Statement of Stockholders' Equity [Abstract]
Other Comprehensive Income (Loss), Tax	$ 2,913	$ (29,087)
Vesting of restricted stock units and other (in shares)	260,497	80,598
Stock Appreciation Rights exercise (in shares)	8,965