Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2014

Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

During the years ended December 31, 2014, 2013 and 2012, our allowance for doubtful accounts was as follows (amounts in thousands):

	2014			2013			2012
Balance, beginning of period	$	7,927		$	6,987		$	7,700
Provision for losses	4,209			5,152			4,860
Write-offs	(5,026		)	(4,212		)	(5,573		)
Balance, end of period	$	7,110		$	7,927		$	6,987