Deferred Revenue-Right-to-use contracts and Deferred commission expense (Tables)

6 Months Ended

Jun. 30, 2012

Components of Change in Deferred Revenue-Right-to-Use Contracts and Deferred Commission Expense

Components of the change in deferred revenue-right-to-use contracts and deferred commission expense are as follows (amounts in thousands):

	Six Months Ended June 30,
	2012			2011
Deferred revenue – right-to-use contracts, as of January 1,	$	56,285		$	44,349
Deferral of new right-to-use contracts		5,186			8,710
Deferred revenue recognized		(3,295	)		(2,800	)
Net increase in deferred revenue		1,891			5,910
Deferred revenue – right-to-use contracts, as of June 30,	$	58,176		$	50,259
Deferred commission expense, as of January 1,	$	19,687		$	14,898
Costs deferred		2,010			3,256
Commission expense recognized		(1,113	)		(909	)
Net increase in deferred commission expense		897			2,347
Deferred commission expense, as of June 30,	$	20,584		$	17,245