CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flow from operating activities:
Net income	$ 22,614,998	$ 20,182,098
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of intangible assets	368,680	432,789
Amortization of loan costs and discounts	431,437	124,233
Provision for loan losses	23,614,890	22,839,114
Amortization of convertible note discount	0	913,446
Depreciation	1,525,912	1,600,484
Deferred income tax benefit	(377,856)	(232,155)
Compensation related to stock option and restricted stock plans	1,850,728	1,908,278
Unrealized gains on interest rate swap	0	(99,313)
Change in accounts:
Other assets, net	(570,722)	1,805,218
Income taxes payable	1,264,141	4,735,233
Accounts payable and accrued expenses	(2,688,640)	(3,494,524)
Net cash provided by operating activities	48,033,568	50,714,901
Cash flows from investing activities:
Increase in loans receivable, net	(58,606,219)	(59,198,770)
Net assets acquired from office acquisitions, primarily loans	(238,339)	(1,424,113)
Increase in intangible assets from acquisitions	(21,956)	(324,927)
Purchases of property and equipment	(2,031,308)	(1,859,163)
Net cash used in investing activities	(60,897,822)	(62,806,973)
Cash flow from financing activities:
Proceeds from senior revolving notes payable, net	124,350,000	58,900,000
Repayment of junior subordinated note payable	(50,000,000)	0
Proceeds from exercise of stock options	1,844,843	1,473,365
Repurchase of common stock	(61,731,794)	(46,835,817)
Excess tax benefits from exercise of stock options	654,492	296,625
Net cash provided by financing activities	15,117,541	13,834,173
Increase in cash and cash equivalents	2,253,287	1,742,101
Effects of foreign currency fluctuations on cash	(146,177)	29,143
Cash and cash equivalents at beginning of period	10,768,176	8,030,580
Cash and cash equivalents at end of period	$ 12,875,286	$ 9,801,824