EQUITY (Details) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended	3 Months Ended	9 Months Ended	0 Months Ended					9 Months Ended		0 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	May 06, 2013 At The Market Equity Program Agent	Sep. 30, 2014 At The Market Equity Program	Sep. 30, 2014 At The Market Equity Program	Mar. 25, 2014 Performance Based Restricted Stock Equity Incentive Award Plan 2011	Jun. 17, 2014 Service Based Restricted Stock Equity Incentive Award Plan 2011	Mar. 25, 2014 November 30, 2014 Performance Based Restricted Stock Equity Incentive Award Plan 2011	Mar. 25, 2014 November 30, 2015 Performance Based Restricted Stock Equity Incentive Award Plan 2011	Mar. 25, 2014 November 30, 2016 Performance Based Restricted Stock Equity Incentive Award Plan 2011	Sep. 30, 2014 Common Shares	Sep. 30, 2014 ICW Inc Board of Directors Chairman	Sep. 12, 2014 ICW Inc Board of Directors Chairman Private Placement	Sep. 12, 2014 ICW Inc Board of Directors Chairman Private Placement	Sep. 30, 2014 ICW Inc Board of Directors Chairman Common Shares
Equity [Line Items]
Number of sales agents					4
Aggregate offering price of common share					$ 150,000,000.0
Remaining capacity to issue						32,300,000	32,300,000
Common shares issued (in shares)						599,582	2,710,067						3,110,067		400,000
Share price (in dollars per share)																$ 33.76
Gross proceeds from issuance of common stock						20,994,000	91,707,000								13,500,000
Noncontrolling common units	17,905,257		17,905,257
Percentage of ownership interests classified as noncontrolling	29.30%		29.30%											33.80%			13.70%
Conversion of operating partnership units (in shares)													11,852
Shares of restricted stock awarded								112,119	5,864
Award vesting right, percentage										33.30%	33.30%	33.30%
Noncash compensation expense			2,600,000	2,100,000
Unrecognized compensation expense	$ 2,600,000		$ 2,600,000
Weighted average unvested shares outstanding	432,311	423,502	629,835	630,464