Acquisitions, Dispositions, Exchanges and Other (Significant Component) (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Acqusitions and Dispositions [Abstract]
Disposal Group, Not Discontinued Operation, Revenue	$ 43,121	$ 66,314	$ 167,244	$ 202,577
Disposal Group, Not Discontinued Operation, Operating Loss	$ 629	$ (2,474)	$ (6,672)	$ (9,981)