Income Taxes from Continuing Operations - Summary of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Summary of Unrecognized Tax Benefits [Abstract]
Beginning Balance	$ 2,010	$ 845	$ 1,485
Additions relating to current year	356	709	589
Additions relating to acquired entities		456
Payments of amounts relating to prior years	(81)		(1,229)
Ending Balance	$ 2,285	$ 2,010	$ 845