Share-Based Payments Share-Based Payments (Rights to Receive Cash) (Details) (USD $)	0 Months Ended	3 Months Ended	9 Months Ended
	Jul. 23, 2013	Sep. 30, 2013	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total expected expense		$ 25,827,000	$ 25,827,000
ecoATM [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remainder of 2013		3,856,000	3,856,000
2014		15,361,000	15,361,000
2015		5,287,000	5,287,000
2016		3,438,000	3,438,000
2017		624,000	624,000
Total expected expense		28,566,000	28,566,000
Fair value of original and replacement awards	32,100,000
Replacement awards attributable to pre-combination services	1,398,000
Expense associated with the issuance of rights to receive cash		$ 2,300,000	$ 2,300,000