EQUITY OFFERING 2017 Preferred Share Offering (Details) - Series C Preferred Stock [Member] - USD ($)	1 Months Ended
	Jan. 31, 2017	Jun. 30, 2017	Jan. 27, 2017
Class of Stock [Line Items]
Preferred Stock, Shares Issued		6,900,000	6,900,000
Shares Issued, Price Per Share			$ 25.00
Proceeds from Issuance or Sale of Equity	$ 166,300,000
Underwriting Discount On Public Offering			$ 5,400,000
Underwriting Discount Per Share On Public Offering			$ 0.7875
Equity offering expenses			$ 700,000
Repayments of Debt	$ 117,000,000.0