Schedule of Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2013

Valuation And Qualifying Accounts [Abstract]

chedule Of Valuation And Qualifying Accounts [Table Text Block]

(a) (1) Financial statements of the Company filed as part of this report:
See Item 8 - Financial Statements and Supplementary Data.
(2) Financial statement schedule filed as part of this report:
Schedule II - Valuation Accounts
				Additions
			Balance at				Balance at
			Beginning	Charges to			End of
(in thousands)			of Period	Operations	Other	Deductions	Period
Year ended December 31, 2013:
	Allowance for doubtful accounts(1)	$	1,442	67	—	1,171	338
Year ended December 31, 2012:
	Allowance for doubtful accounts(1)	$	1,094	407	13	72	1,442
Year ended December 31, 2011:
	Allowance for doubtful accounts(1)	$	586	546	(23)	15	1,094
(1)	Deductions in the allowance for doubtful accounts represent write-offs, net of recoveries, of amounts determined to be
	uncollectible.