Statements of Income - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Total revenue	$ 115,838,821	$ 119,954,865	$ 258,612,082	$ 235,314,576
Operations, Development	82,530,221	83,137,671	168,225,710	167,709,065
Selling, G & A	17,233,683	21,738,523	42,926,126	41,919,882
Operating expense	99,763,904	104,876,194	211,151,836	209,628,947
Operating income	16,074,917	15,078,671	47,460,246	25,685,629
Other income	5,403,173	5,561,295	10,814,374	11,107,168
Change in unrealized security gain	19,749,281	1,748,292	(55,448,363)	30,321,710
Other expense	792,410	1,670,183	1,688,464	3,471,530
Pretax income	40,434,961	20,718,075	1,137,793	63,642,977
State income tax (benefit) Federal income tax (benefit)	926,000	716,000	(833,000)	356,000
Income tax (benefit)	7,556,000	4,403,000	(6,011,000)	11,180,000
Net income	32,878,961	16,315,075	7,148,793	52,462,977
Product [Member]
Total revenue	29,176,105	37,590,999	87,312,302	70,496,478
Service [Member]
Total revenue	$ 86,662,716	$ 82,363,866	$ 171,299,780	$ 164,818,098