XML 56 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
COMMITMENTS AND CONTINGENCIES (Details)
$ in Thousands
Jan. 31, 2018
USD ($)
property
unit
Jul. 31, 2017
USD ($)
Apr. 30, 2017
USD ($)
Real Estate Properties [Line Items]      
Number of properties | property 99    
Restricted cash $ 121,337   $ 27,981
Loan commitment $ 6,000 $ 16,200  
Subject to Restrictions on Taxable Dispositions [Member]      
Real Estate Properties [Line Items]      
Number of properties | property 26    
Number of apartment units | unit 4,212    
Real estate investment amount of properties (net of accumulated depreciation) $ 458,400    
Tax-Deferred Exchange Proceeds [Member]      
Real Estate Properties [Line Items]      
Restricted cash $ 116,800