Accounts Payable And Accrued Expenses (Schedule Of Accounts Payable And Accrued Expenses) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Accounts Payable And Accrued Expenses [Abstract]
Accounts payable	$ 2,240	$ 1,180
Payable to benefit providers and transit agencies	23,370	19,500
Accrued payables	14,124	11,099
Accrued compensation and related benefits	17,534	16,045
Other accrued expenses	1,831	3,156
Deferred revenue	2,882	3,305
Accounts payable and accrued expenses	$ 61,981	$ 54,285