Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 30, 2020	Dec. 31, 2019	Dec. 31, 2018	Mar. 27, 2020
COMMITMENTS AND CONTINGENCIES [Line Items]
Percentage of share in property owned			72.70%	72.70%
Restricted cash			$ 113,362	$ 3,503,242
Operating lease, discount rate			5.75%
Stock repurchase program, shares authorized (in shares)			2,376,509
Repurchases of common stock			$ 12,145,903	8,688,479
Lease Agreements
COMMITMENTS AND CONTINGENCIES [Line Items]
Obligation amount to pay for site and tenant improvements			98,329	3,177,343
Restricted cash			$ 92,684	$ 3,486,927
Maximum
COMMITMENTS AND CONTINGENCIES [Line Items]
Shares authorized to be repurchased per month (as a percent)			2.00%
Shares authorized to be repurchased per quarter (as a percent)			5.00%
Subsequent Event
COMMITMENTS AND CONTINGENCIES [Line Items]
Stock repurchase program, authorized amount					$ 17,820,513
Repurchases of common stock	$ 9,091,146
Common Class C | Subsequent Event
COMMITMENTS AND CONTINGENCIES [Line Items]
Stock repurchase program, shares authorized (in shares)					1,737,191
Repurchases of common stock (in shares)		895,216
Common Class S | Subsequent Event
COMMITMENTS AND CONTINGENCIES [Line Items]
Stock repurchase program, shares authorized (in shares)					3,309
Repurchases of common stock (in shares)		0