Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Table)

12 Months Ended

Dec. 31, 2012

Accounting Policies [Abstract]

Accounts receivable, allowance for doubtful accounts receivable

Year Ended December 31,		2012		2011		2010
(Dollars in thousands)
Beginning balance		$	31,071	$	35,007	$	37,623
	Additions, net of recoveries		74,695		68,611		83,098
	Deductions		(72,351)		(72,547)		(85,714)
Ending balance		$	33,415	$	31,071	$	35,007