SIGNIFICANT ACCOUNTING POLICIES (Details 1) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Federal Income Tax Treatment of Share Distributions [Abstract]
Ordinary taxable income distribution requirement	90.00%
Common Stock
Federal Income Tax Treatment of Share Distributions [Abstract]
Ordinary dividends (in dollars per share)	$ 3.14000	$ 2.14305	$ 2.49146
Nondividend distributions (in dollars per share)	0	0	0.02686
Unrecaptured Section 1250 capital gain (in dollars per share)	0	0	0
Other capital gain (in dollars per share)	0	0	0.00168
Total Common Share Distributions	$ 3.14000	$ 2.14305	$ 2.52000