ALLOWANCE FOR LOAN LOSSES (Details) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Mar. 31, 2012
Allowance for Loan Losses [Roll Forward]
Balance at beginning of period	$ 55,670,131	$ 50,419,957	$ 54,507,299	$ 48,354,994
Provision for loan losses	32,401,664	30,057,269	56,016,554	52,896,383
Loan losses	(29,711,502)	(28,249,131)	(54,918,604)	(51,405,944)
Recoveries	2,785,824	2,398,885	5,721,438	4,748,215
Translation adjustment	182,660	(462,507)	2,090	(429,175)
Balance at end of period	61,328,777	54,164,473	61,328,777	54,164,473
Summary of loans individually and collectively evaluated for impairment [Abstract]
Bankruptcy, gross loans	6,688,992	6,573,737	6,688,992	6,573,737	5,646,956
91 days or more delinquent, excluding bankruptcy	22,281,854	18,366,885	22,281,854	18,366,885	20,882,907
Loans less than 91 days delinquent and not in bankruptcy	1,058,930,865	940,014,840	1,058,930,865	940,014,840	946,192,901
Gross loan balance	1,087,901,711	964,955,462	1,087,901,711	964,955,462	972,722,764
Unearned interest and fees	(297,406,536)	(258,484,255)	(297,406,536)	(258,484,255)	(257,637,819)
Net loans	790,495,175	706,471,207	790,495,175	706,471,207	715,084,945
Allowance for loan losses	(61,328,777)	(54,164,473)	(61,328,777)	(54,164,473)
Loans receivable, net	729,166,398	652,306,734	729,166,398	652,306,734	660,577,646
Financing Receivable, Recorded Investment [Line Items]
Gross loan balance	1,087,901,711	964,955,462	1,087,901,711	964,955,462	972,722,764
Recency basis [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-60 days past due	37,330,812	31,696,312	37,330,812	31,696,312	22,457,591
61-90 days past due	19,439,858	18,683,495	19,439,858	18,683,495	13,381,637
91 days or more past due	12,147,821	10,257,771	12,147,821	10,257,771	10,569,627
Total	68,918,491	60,637,578	68,918,491	60,637,578	46,408,855
Percentage of period-end gross loans receivable (in hundredths)	6.30%	6.30%	6.30%	6.30%	4.80%
Contractual basis [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-60 days past due	44,956,309	35,664,457	44,956,309	35,664,457	24,853,508
61-90 days past due	23,542,582	22,243,803	23,542,582	22,243,803	17,320,264
91 days or more past due	22,629,821	18,675,027	22,629,821	18,675,027	21,306,902
Total	91,128,712	76,583,287	91,128,712	76,583,287	63,480,674
Percentage of period-end gross loans receivable (in hundredths)	8.40%	7.90%	8.40%	7.90%	6.50%
New borrower [Member]
Summary of loans individually and collectively evaluated for impairment [Abstract]
Gross loan balance	120,930,075		120,930,075		110,362,853
Financing Receivable, Recorded Investment [Line Items]
Gross loan balance	120,930,075		120,930,075		110,362,853
Former borrower [Member]
Summary of loans individually and collectively evaluated for impairment [Abstract]
Gross loan balance	100,446,957		100,446,957		79,712,646
Financing Receivable, Recorded Investment [Line Items]
Gross loan balance	100,446,957		100,446,957		79,712,646
Refinance [Member]
Summary of loans individually and collectively evaluated for impairment [Abstract]
Gross loan balance	844,735,145		844,735,145		761,633,523
Financing Receivable, Recorded Investment [Line Items]
Gross loan balance	844,735,145		844,735,145		761,633,523
Delinquent refinance [Member]
Summary of loans individually and collectively evaluated for impairment [Abstract]
Gross loan balance	21,789,534		21,789,534		21,013,742
Financing Receivable, Recorded Investment [Line Items]
Gross loan balance	21,789,534		21,789,534		21,013,742
Performing [Member]
Summary of loans individually and collectively evaluated for impairment [Abstract]
Gross loan balance	1,041,729,308		1,041,729,308		934,095,598
Financing Receivable, Recorded Investment [Line Items]
Gross loan balance	1,041,729,308		1,041,729,308		934,095,598
Contractual non-performing [Member]
Summary of loans individually and collectively evaluated for impairment [Abstract]
Gross loan balance	46,172,403		46,172,403		38,627,166
Financing Receivable, Recorded Investment [Line Items]
Gross loan balance	46,172,403		46,172,403		38,627,166
Consumer loans- non-bankrupt accounts [Member]
Summary of loans individually and collectively evaluated for impairment [Abstract]
Gross loan balance	1,081,212,719		1,081,212,719		967,075,808
Financing Receivable, Recorded Investment [Line Items]
Gross loan balance	1,081,212,719		1,081,212,719		967,075,808
Consumer loans- bankrupt accounts [Member]
Summary of loans individually and collectively evaluated for impairment [Abstract]
Gross loan balance	6,688,992		6,688,992		5,646,956
Financing Receivable, Recorded Investment [Line Items]
Gross loan balance	6,688,992		6,688,992		5,646,956
Loans individually evaluated for impairment (impaired loans) [Member]
Allowance for Loan Losses [Roll Forward]
Balance at beginning of period					19,444,641
Balance at end of period	22,914,103	18,954,411	22,914,103	18,954,411	19,444,641
Summary of loans individually and collectively evaluated for impairment [Abstract]
Bankruptcy, gross loans	6,688,992	6,573,737	6,688,992	6,573,737	5,646,956
91 days or more delinquent, excluding bankruptcy	22,281,854	18,366,885	22,281,854	18,366,885	20,882,907
Loans less than 91 days delinquent and not in bankruptcy	0	0	0	0	0
Gross loan balance	28,970,846	24,940,622	28,970,846	24,940,622	26,529,863
Unearned interest and fees	(5,745,076)	(4,261,310)	(5,745,076)	(4,261,310)	(7,085,222)
Net loans	23,225,770	20,679,312	23,225,770	20,679,312	19,444,641
Allowance for loan losses	(22,914,103)	(18,954,411)	(22,914,103)	(18,954,411)	(19,444,641)
Loans receivable, net	311,667	1,724,901	311,667	1,724,901	0
Financing Receivable, Recorded Investment [Line Items]
Gross loan balance	28,970,846	24,940,622	28,970,846	24,940,622	26,529,863
Loans collectively evaluated for impairment [Member]
Allowance for Loan Losses [Roll Forward]
Balance at beginning of period					35,062,658
Balance at end of period	38,414,674	35,210,062	38,414,674	35,210,062	35,062,658
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	1,058,930,865	940,014,840	1,058,930,865	940,014,840	946,192,901
Gross loan balance	1,058,930,865	940,014,840	1,058,930,865	940,014,840	946,192,901
Unearned interest and fees	(291,661,460)	(254,222,945)	(291,661,460)	(254,222,945)	(250,552,597)
Net loans	767,269,405	685,791,895	767,269,405	685,791,895	695,640,304
Allowance for loan losses	(38,414,674)	(35,210,062)	(38,414,674)	(35,210,062)	(35,062,658)
Loans receivable, net	728,854,731	650,581,833	728,854,731	650,581,833	660,577,646
Financing Receivable, Recorded Investment [Line Items]
Gross loan balance	$ 1,058,930,865	$ 940,014,840	$ 1,058,930,865	$ 940,014,840	$ 946,192,901