CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flow from operating activities:
Net income (loss)	$ (4,409,883)	$ 35,537,652
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Loss on assets held for sale	0	38,633
Amortization of intangible assets	3,352,694	3,736,113
Amortization of historic tax credits	4,570,599	2,950,970
Accrued unearned interest	(2,253,757)	(15,537,322)
Amortization of deferred loan cost	12,187,196	11,892,564
Amortization of debt issuance costs	1,170,040	698,667
Provision for credit losses	214,051,068	128,767,870
Depreciation	4,648,277	4,721,570
Amortization of finance leases	204,552	305,718
Gain on asset acquisition, net of income tax	(3,708,344)	0
Loss on sale of property and equipment	21,261	368,589
Deferred income tax benefit	(3,665,493)	(9,815,411)
Compensation related to stock option and restricted stock plans, net of taxes and adjustments	7,382,313	12,757,811
Change in accounts:
Other assets, net	(8,261,768)	(9,058,328)
Income taxes payable/ receivable	(10,174,212)	(9,984,485)
Accounts payable and accrued expenses	(9,241,015)	10,026,683
Net cash provided by operating activities	205,873,528	167,407,294
Cash flows from investing activities:
Increase in loans receivable, net	(189,511,989)	(421,230,379)
Cash paid for acquisitions, primarily loans	(22,314,902)	(10,857,067)
Purchases of property and equipment	(4,517,809)	(4,480,906)
Proceeds from sale of assets held for sale	0	1,104,895
Proceeds from sale of property and equipment	349,792	186,145
Net cash used in investing activities	(215,994,908)	(435,277,312)
Cash flow from financing activities:
Borrowings from senior notes payable	251,431,701	407,216,540
Payments on senior notes payable	(221,914,242)	(387,050,000)
Issuance of senior unsecured notes payable	0	300,000,000
Debt issuance costs associated with senior unsecured notes payable	(104,656)	(5,119,649)
Debt issuance costs associated with senior notes payable	(1,115,136)	0
Proceeds from exercise of stock options	486,372	11,715,720
Payments for taxes related to net share settlement of equity awards	(2,543,001)	(5,072,230)
Repayment of finance lease	(80,067)	(439,048)
Repurchase of common stock	(14,314,088)	(50,460,130)
Net cash provided by financing activities	11,846,883	270,791,203
Net change in cash and cash equivalents	1,725,503	2,921,185
Cash and cash equivalents at beginning of period	19,236,322	15,746,454
Cash and cash equivalents at end of period	20,961,825	18,667,639
Supplemental Disclosures:
Interest paid during the period	42,834,034	16,020,205
Income taxes paid during the period	10,772,869	26,884,025
Finance lease right-of-use assets, net transferred to property and equipment, net	$ 402,960	$ 0