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INVESTMENT SECURITIES - General Information (Details) - USD ($)		3 Months Ended
	Nov. 26, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Marketable Securities [Line Items]
Purchase price of shares		$ 241,141	$ 272,131
Investment in PINE		$ 25,108,018		$ 38,814,425
Alpine
Marketable Securities [Line Items]
Share purchased	2,040,000
Units issued	2,040,000
Percentage of investment in PINE	22.50%	22.50%
Investment in PINE	$ 38,800,000	$ 38,800,000
Alpine \| OP Units
Marketable Securities [Line Items]
Share purchased	1,223,854
Units issued	1,223,854
Private placement \| Alpine
Marketable Securities [Line Items]
Share purchased	394,737
Purchase price of shares	$ 7,500,000
Units issued	394,737
IPO Purchase \| Alpine
Marketable Securities [Line Items]
Share purchased	421,053
Purchase price of shares	$ 8,000,000
Units issued	421,053