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

12 Months Ended

Dec. 31, 2011

Accounting Policies [Abstract]

Accounts receivable, allowance for doubtful accounts receivable

Year Ended December 31,	2011			2010			2009
(Dollars in thousands)
Beginning balance	$	35,007		$	37,623		$	19,202
Additions, net of recoveries		68,611			83,098			115,989
Deductions		(72,545	)		(85,714	)		(97,568	)
Ending balance	$	31,073		$	35,007		$	37,623