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QUARTERLY FINANCIAL DATA (Unaudited) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
QUARTERLY FINANCIAL DATA (Unaudited)
Total Income (Loss)	$ 65,143,998	$ (335,557)	$ 135,556,854	$ (78,698,540)	$ 11,874,459	$ (4,665,987)	$ 246,345	$ 20,095,714
Total Expenses	929,012	1,129,381	943,650	241,406	217,511	230,753	213,774	205,258
Expense Waivers	(163,279)	(220,529)	(220,204)	(56,591)	(35,280)	(35,357)	(3,391)	(6,004)	$ 660,603	$ 80,032	$ 81,642
Net Expenses	765,733	908,852	723,446	184,815	182,231	195,396	210,383	199,254
Net Income (Loss)	$ 64,378,265	$ (1,244,409)	$ 134,833,408	$ (78,883,355)	$ 11,692,228	$ (4,861,383)	$ 35,962	$ 19,896,460	$ 119,083,909	$ 26,763,267	$ (15,190,394)
Net Income (Loss) per Share	$ 2.21	$ (0.07)	$ 2.80	$ (12.94)	$ 2.82	$ (1.04)	$ (0.09)	$ 4.04	$ (8.00)	$ 5.73	$ (3.00)

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