LEASES (Lease Cost) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2020	May 31, 2019
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 6,939,330	$ 6,636,596	$ 21,027,265	$ 19,289,946
Short-term lease cost	0	1,800	1,800	1,800
Variable lease cost	882,559	835,637	2,659,932	2,450,322
Total lease cost	7,821,889	7,474,033	23,688,997	21,742,068
Cash paid for amounts included in the measurement of lease liabilities	6,845,544	6,515,141	20,694,712	18,818,335
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 2,116,215	$ 8,182,788	$ 9,748,709	$ 31,476,079
Weighted average remaining lease term — operating leases	7 years 3 months 18 days	8 years 6 months	7 years 3 months 18 days	8 years 6 months
Weighted-average discount rate — operating leases	6.30%	6.70%	6.30%	6.70%
Right-of-use asset	$ 93,144,480		$ 93,144,480		$ 101,686,918
Greenville, South Carolina
Lessee, Lease, Description [Line Items]
Operating lease, term of contract						10 years
Right-of-use asset						$ 15,600,000