Deferred Court Costs Net (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Schedule of court cost reserve
Balance at beginning of period	$ 132,780	$ 122,920	$ 130,454	$ 113,239
Provision for court costs	(13,378)	(14,126)	(37,536)	(41,063)
Write-off of reserve after the 36th month	5,651	9,694	27,483	26,950
Balance at end of period	$ 140,507	$ 127,352	$ 140,507	$ 127,352