Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenue:
Finance charges	$ 126,066	$ 106,503
Premiums earned	10,770	8,543
Other income	5,568	8,466
Total revenue	142,404	123,512
Costs and expenses:
Salaries and wages	19,404	16,071
General and administrative	7,409	5,633
Sales and marketing	7,753	6,409
Provision for credit losses	5,247	8,916
Interest	15,212	12,623
Provision for claims	8,552	6,599
Total costs and expenses	63,577	56,251
Income before provision for income taxes	78,827	67,261
Provision for income taxes	28,489	24,070
Net income	$ 50,338	$ 43,191
Net income per share:
Basic	$ 1.92	$ 1.59
Diluted	$ 1.92	$ 1.57
Weighted average shares outstanding:
Basic	26,158	27,196
Diluted	26,284	27,489