RELATED PARTY TRANSACTIONS (Details) (USD $)	3 Months Ended		9 Months Ended								0 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 WBW CHP LLC	Sep. 30, 2013 WBW CHP LLC	Sep. 30, 2014 Common Shares	Sep. 30, 2014 ICW Inc Board of Directors Chairman	Sep. 30, 2013 ICW Inc Board of Directors Chairman	Jul. 01, 2014 ICW Inc Board of Directors Chairman	Sep. 12, 2014 ICW Inc Private Placement Board of Directors Chairman	Sep. 12, 2014 ICW Inc Private Placement Board of Directors Chairman	Sep. 30, 2014 ICW Inc Common Shares Board of Directors Chairman	Sep. 30, 2014 ICW Inc Member Units Board of Directors Chairman
Related Party Transaction [Line Items]
Total rental income	$ 63,593,000	$ 62,405,000	$ 182,868,000	$ 181,332,000				$ 1,600,000	$ 1,600,000
Prepaid Insurance										400,000
Common shares issued (in shares)							3,110,067				400,000
Share price (in dollars per share)												$ 33.76
Gross proceeds from issuance of common stock											13,500,000
Percentage of ownership interests classified as noncontrolling	29.30%		29.30%					33.80%					13.70%	24.30%
Investment in WBW CHP LLC (in percent)			47.70%
Amount Recovered For Reimbursements Of Operating Expense For Related Party					$ 900,000	$ 800,000