Consolidated Statement of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Income Tax Expense (Benefit), Discontinued Operations	$ 0	$ 1,200	$ 2,235
Income Tax Expense (Benefit) on Gain (Loss), Discontinued Operations	$ 140	$ 5,975	$ 1,220