Commitments and Contingencies - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2013 Payment Employees
Commitment And Contingencies [Line Items]
Outstanding loan commitments and approvals to fund loans	$ 28,600,000
Prime-based loans	18,500,000
Lease expiration date of office space in Dallas, Texas	Feb. 01, 2015
Employment agreements with executive officer expiration date	Dec. 31, 2015
Severance compensation paid in terms of annual compensation	2.99 times the average of the last three years
Death payments in terms of annual salary paid	2
Disability payments in terms of annual salary paid	1
Number of employees covered under employee agreement	2
Employment agreement term	3 years
Maximum [Member]
Commitment And Contingencies [Line Items]
Transaction fees	3,400,000
CIM Urban REIT [Member]
Commitment And Contingencies [Line Items]
Termination fee	4,000,000
Reimbursable legal and due diligence costs in relation to merger	542,000
CIM Urban REIT [Member] | Maximum [Member]
Commitment And Contingencies [Line Items]
Out-of-pocket expenses to be paid	$ 700,000