XML 41 R25.htm IDEA: XBRL DOCUMENT v3.19.3
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Jan. 01, 2019
Dec. 31, 2018
Significant Accounting Policies [Line Items]            
Federal Deposit Insurance Corporation deposit insurance limit per institution $ 250,000   $ 250,000      
Restricted cash 8,960,000   8,960,000     $ 6,729,000
Amortization expense for intangible assets 307,000 $ 567,000 1,157,000 $ 2,900,000    
Additional amortization expense on current in-place intangible assets 276,000   276,000      
Write-off of amortized intangible assets 0 1,641,000 1,532,000 4,155,000    
Depreciation expense 13,127,000 10,216,000 37,445,000 30,690,000    
Uncollectible rental revenue 285,000   819,000      
Bad debt expense   236,000   286,000    
Advertising expenses 612,000 577,000 1,763,000 1,674,000    
Transfers of assets between Level 1 and Level 2 0   0      
Transfers of assets between Level 2 and Level 1 0   0      
Transfers of liabilities between Level 1 and Level 2 0   0      
Transfers of liabilities between Level 2 and Level 1 0   0      
Income tax expense 0 0 $ 0 0    
Taxable income distributable to stockholders     90.00%      
Cumulative-effect adjustment     $ 0      
Topic 842            
Significant Accounting Policies [Line Items]            
Right-of-use assets $ 2,928,000   $ 2,928,000   $ 308,000  
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] us-gaap:OtherAssets   us-gaap:OtherAssets      
Lease liability $ 3,206,000   $ 3,206,000   $ 308,000  
Operating Lease, Liability, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilities   us-gaap:OtherLiabilities      
Total operating lease expense $ 154,000   $ 433,000      
Natural Disasters and Other Insurable Events            
Significant Accounting Policies [Line Items]            
Rent revenue recognized 80,000 $ 65,000 $ 103,000 $ 171,000    
Building and Building Improvements            
Significant Accounting Policies [Line Items]            
Depreciable Lives     40 years      
Leases Acquired In Place            
Significant Accounting Policies [Line Items]            
Acquisition of above-market in-place leases $ 448,000   $ 764,000      
Minimum | Equipment and Fixtures            
Significant Accounting Policies [Line Items]            
Depreciable Lives     5 years      
Maximum            
Significant Accounting Policies [Line Items]            
Cash and cash equivalents original maturity period     3 months      
Maximum | Topic 842            
Significant Accounting Policies [Line Items]            
Operating lease term 10 years   10 years      
Maximum | Equipment and Fixtures            
Significant Accounting Policies [Line Items]            
Depreciable Lives     10 years