Basis Of Presentation And Summary Of Significant Accounting Policies (Summary Of Primary Inventory Components) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Schedule Of Inventories [Line Items]
Inventory gross	$ 4,574	$ 2,186
Less: Inventory reserves	(1,057)	(391)
Net inventory	3,517	1,795
ATMs [Member]
Schedule Of Inventories [Line Items]
Inventory gross	1,646	1,132
ATM Parts And Supplies [Member]
Schedule Of Inventories [Line Items]
Inventory gross	$ 2,928	$ 1,054