RELATED-PARTY TRANSACTIONS (Details) (USD $)			3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended																	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended				0 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Third-party management companies	Jun. 30, 2013 Third-party management companies	Jun. 30, 2014 Third-party management companies	Jun. 30, 2013 Third-party management companies	Jun. 30, 2014 Management Company Asset management fees	Jun. 30, 2013 Management Company Asset management fees	Jun. 30, 2014 Management Company Asset management fees	Jun. 30, 2013 Management Company Asset management fees	Dec. 31, 2013 Management Company Asset management fees	Jun. 30, 2014 Management Company Property management fees	Jun. 30, 2013 Management Company Property management fees	Jun. 30, 2014 Management Company Property management fees	Jun. 30, 2013 Management Company Property management fees	Jun. 30, 2014 Management Company 0 - 500,000	Jun. 30, 2014 Management Company 0 - 500,000 Minimum	Jun. 30, 2014 Management Company 0 - 500,000 Maximum	Jun. 30, 2014 Management Company 500,000 - 1,000,000	Jun. 30, 2014 Management Company 500,000 - 1,000,000 Minimum	Jun. 30, 2014 Management Company 500,000 - 1,000,000 Maximum	Jun. 30, 2014 Management Company 1,000,000 - 1,500,000	Jun. 30, 2014 Management Company 1,000,000 - 1,500,000 Minimum	Jun. 30, 2014 Management Company 1,000,000 - 1,500,000 Maximum	Jun. 30, 2014 Management Company 1,500,000 - 4,000,000	Jun. 30, 2014 Management Company 1,500,000 - 4,000,000 Minimum	Jun. 30, 2014 Management Company 1,500,000 - 4,000,000 Maximum	Jun. 30, 2014 Management Company 4,000,000 - 20,000,000	Jun. 30, 2014 Management Company 4,000,000 - 20,000,000 Minimum	Jun. 30, 2014 Management Company 4,000,000 - 20,000,000 Maximum	Jun. 30, 2014 CIM Management Entities	Jun. 30, 2013 CIM Management Entities	Jun. 30, 2014 CIM Management Entities	Jun. 30, 2013 CIM Management Entities	Dec. 31, 2013 CIM Management Entities	Jun. 30, 2014 CIM Management Entities On-site personnel	Jun. 30, 2013 CIM Management Entities On-site personnel	Jun. 30, 2014 CIM Management Entities On-site personnel	Jun. 30, 2013 CIM Management Entities On-site personnel	Jun. 30, 2014 CIM Management Entities Development management fees	Jun. 30, 2013 CIM Management Entities Development management fees	Jun. 30, 2014 CIM Management Entities Development management fees	Jun. 30, 2013 CIM Management Entities Development management fees	Jun. 30, 2014 CIM Management Entities and related parties	Dec. 31, 2013 CIM Management Entities and related parties	Mar. 11, 2014 Manager Master Services Agreement	Jun. 30, 2014 Manager Master Services Agreement	Jun. 30, 2014 Manager Master Services Agreement	Jun. 30, 2014 Manager Base Service Fee	Jun. 30, 2014 Manager Base Service Fee
Related-party transactions
Daily average gross fair value of investments																	$ 0	$ 500,000		$ 500,000	$ 1,000,000		$ 1,000,000	$ 1,500,000		$ 1,500,000	$ 4,000,000		$ 4,000,000	$ 20,000,000
Fee percentage																0.25%			0.2375%			0.225%			0.2125%			0.10%
Fees							5,798,000	5,431,000	11,479,000	10,840,000		1,272,000	1,215,000	2,531,000	2,362,000																					1,749,000	955,000	3,793,000	2,344,000	157,000	158,000	244,000	294,000						250,000	306,000
Due (from) to related parties	8,890,000	6,807,000					5,898,000		5,898,000		5,426,000																				2,408,000		2,408,000		1,445,000									(12,000)	(64,000)		596,000	596,000
Leasing commissions																															839,000	11,000	1,351,000	297,000
Management fee incurred related to the rental properties			419,000	344,000	811,000	672,000
Fees payable per year under agreement																																														1,000,000
Compensation expensed for performing other services																																															$ 290,000	$ 290,000