Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operations:
Net income	$ 26,296,447	$ 18,790,963	$ 55,174,909	$ 40,085,526
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization			5,249,168	3,594,156
Accrued interest			(4,461,828)	(262,088)
Stock-based compensation expense - stock options				183
Stock-based compensation expense - restricted shares				37,696
LTRP accrued compensation			2,527,494	2,798,656
Deferred income taxes			1,174,177	(6,950,762)
Changes in assets and liabilities, net of the effect of the acquired business :
Accounts receivable			(6,290,360)	(6,048,287)
Funds receivable from customers			(8,188,181)	(877,971)
Prepaid expenses			(276,976)	(113,329)
Other assets			(5,228,268)	(2,600,348)
Accounts payable and accrued expenses			6,288,050	7,856,387
Funds payable to customers			16,052,471	7,393,673
Other liabilities			273,016	(2,923,832)
Net cash provided by operating activities			62,293,672	41,989,660
Cash flows from investing activities:
Purchase of investments			(297,570,336)	(85,338,161)
Proceeds from sale and maturity of investments			268,529,776	51,145,297
Payment for acquired businesses, net of cash acquired			(5,468,180)
Purchases of intangible assets			(119,262)	(12,788)
Purchases of property and equipment			(17,084,397)	(10,554,982)
Net cash used in investing activities			(51,712,399)	(44,760,634)
Cash flows from financing activities:
Decrease in loans payable				(2,898,702)
Dividends distribution			(7,061,847)
Stock options exercised			11,175	18,199
Net cash used in financing activities			(7,050,672)	(2,880,503)
Effect of exchange rate changes on cash and cash equivalents			(1,277,650)	299,975
Net increase / (decrease) in cash and cash equivalents			2,252,951	(5,351,502)
Cash and cash equivalents, beginning of the period			56,830,466	49,803,402
Cash and cash equivalents, end of the period	59,083,417	44,451,900	59,083,417	44,451,900
Supplemental cash flow information:
Cash paid for interest			45,247	5,765,634
Cash paid for income and asset taxes			22,355,122	16,603,211
Acquisition of AutoPlaza.com
Cash and cash equivalents	3,876	0	3,876	0
Tax credits	49,951	0	49,951	0
Non current assets	99,522	0	99,522	0
Total assets acquired	153,349	0	153,349	0
Total liabilities assumed	0	0	0	0
Net assets acquired	153,349	0	153,349	0
Identifiable Intangible Assets	8,966,744	0	8,966,744	0
Noncontrolling interest	(3,648,037)	0	(3,648,037)	0
Total purchase price	5,472,056	0	5,472,056	0
Cash and cash equivalents acquired	3,876	0	3,876	0
Payment for acquired businesses, net of cash acquired	$ 5,468,180	$ 0	$ 5,468,180	$ 0