ALLOWANCE FOR LOAN LOSSES (Details) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Mar. 31, 2013
Allowance for Loan Losses [Roll Forward]
Balance at beginning of period	$ 61,630,967	$ 55,670,131	$ 59,980,842	$ 54,507,299
Provision for loan losses	38,187,649	32,401,664	66,890,842	56,016,554
Loan losses	(35,261,797)	(29,711,502)	(65,375,871)	(54,918,604)
Recoveries	3,135,796	2,785,824	6,447,978	5,721,438
Translation adjustment	(84,610)	182,660	(335,786)	2,090
Balance at end of period	67,608,005	61,328,777	67,608,005	61,328,777
Summary of loans individually and collectively evaluated for impairment [Abstract]
Bankruptcy, gross loans	6,437,259	6,688,992	6,437,259	6,688,992	5,910,206
91 days or more delinquent, excluding bankruptcy	28,646,649	22,281,854	28,646,649	22,281,854	23,536,170
Loans less than 91 days delinquent and not in bankruptcy	1,128,153,780	1,058,930,865	1,128,153,780	1,058,930,865	1,037,605,387
Gross loan balance	1,163,237,688	1,087,901,711	1,163,237,688	1,087,901,711	1,067,051,763
Unearned interest and fees	(320,980,101)	(297,406,536)	(320,980,101)	(297,406,536)	(284,956,195)
Net loans	842,257,587	790,495,175	842,257,587	790,495,175	782,095,568
Allowance for loan losses	(67,608,005)	(61,328,777)	(67,608,005)	(61,328,777)
Loans receivable, net	774,649,582	729,166,398	774,649,582	729,166,398	722,114,726
Loans individually evaluated for impairment (impaired loans) [Member]
Allowance for Loan Losses [Roll Forward]
Balance at beginning of period					23,410,358
Balance at end of period	27,182,980	22,914,103	27,182,980	22,914,103	23,410,358
Summary of loans individually and collectively evaluated for impairment [Abstract]
Bankruptcy, gross loans	6,437,259	6,688,992	6,437,259	6,688,992	5,910,206
91 days or more delinquent, excluding bankruptcy	28,646,649	22,281,854	28,646,649	22,281,854	23,536,170
Loans less than 91 days delinquent and not in bankruptcy	0	0	0	0	0
Gross loan balance	35,083,908	28,970,846	35,083,908	28,970,846	29,446,376
Unearned interest and fees	(7,900,928)	(5,745,076)	(7,900,928)	(5,745,076)	(6,036,018)
Net loans	27,182,980	23,225,770	27,182,980	23,225,770	23,410,358
Allowance for loan losses	(27,182,980)	(22,914,103)	(27,182,980)	(22,914,103)	(23,410,358)
Loans receivable, net	0	311,667	0	311,667	0
Loans collectively evaluated for impairment [Member]
Allowance for Loan Losses [Roll Forward]
Balance at beginning of period					36,570,484
Balance at end of period	40,425,025	38,414,674	40,425,025	38,414,674	36,570,484
Summary of loans individually and collectively evaluated for impairment [Abstract]
Bankruptcy, gross loans	0	0	0	0	0
91 days or more delinquent, excluding bankruptcy	0	0	0	0	0
Loans less than 91 days delinquent and not in bankruptcy	1,128,153,780	1,058,930,865	1,128,153,780	1,058,930,865	1,037,605,387
Gross loan balance	1,128,153,780	1,058,930,865	1,128,153,780	1,058,930,865	1,037,605,387
Unearned interest and fees	(313,079,173)	(291,661,460)	(313,079,173)	(291,661,460)	(278,920,177)
Net loans	815,074,607	767,269,405	815,074,607	767,269,405	758,685,210
Allowance for loan losses	(40,425,025)	(38,414,674)	(40,425,025)	(38,414,674)	(36,570,484)
Loans receivable, net	$ 774,649,582	$ 728,854,731	$ 774,649,582	$ 728,854,731	$ 722,114,726