Accounts Payable And Accrued Expenses (Schedule Of Accounts Payable And Accrued Expenses) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Accounts payable	$ 2,653	$ 2,542
Payable to benefit providers and transit agencies	25,112	23,169
Accrued payables	17,300	11,198
Accrued compensation and related benefits	16,513	18,538
Other accrued expenses	6,113	2,891
Deferred revenue	3,433	2,203
Accounts payable and accrued expenses	$ 71,124	$ 60,541