ACCOUNTING POLICIES - Additional Information (Details)	1 Months Ended	12 Months Ended
	May 31, 2013	Dec. 31, 2016	Dec. 31, 2015
Accounting Policies [Line Items]
Percentage of taxable income to be distributed		100.00%
Minimum [Member]
Accounting Policies [Line Items]
Interest owed on hedged borrowings rest to market rates		30 days
Maximum [Member]
Accounting Policies [Line Items]
Interest owed on hedged borrowings rest to market rates		90 days
Cumulative Redeemable Preferred Stock, Series E [Member]
Accounting Policies [Line Items]
Preferred stock, dividend rate	7.50%	7.50%	7.50%