Condensed Consolidated Statements of Equity (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Common Stock, Dividends, Per Share, Declared	$ 0	$ 1.03
Common Stock, Dividends, Per Share, Cash Paid	$ 0	$ 1.03
Number of shares issued in business acquisition	0	26,350,993
Shares issued on compensation plans	848,313	1,084,647
Repurchase of Class A Common shares	1,769,824	561,019
Tax payments related to shares withheld for vested stock and RSUs	$ 2,652	$ 5,126