Quarterly report pursuant to Section 13 or 15(d)

Related-Party Transactions - Additional Information (Detail)

v3.20.2
Related-Party Transactions - Additional Information (Detail)
 3 Months Ended 6 Months Ended
Jul. 14, 2020
Feb. 20, 2020
$ / shares
shares
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2020
USD ($)
quarter
officer
Jun. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Related Party Transaction [Line Items]              
Number of executive officers | officer         2    
Amount due to Adviser and Administrator [1]     $ 3,328,000   $ 3,328,000   $ 2,904,000
Annual base management fee, in percentage of stockholders' equity, adjusted to unrealized gains or losses (as percent)         1.50%    
Quarterly base management fee, in percentage of stockholders' equity, adjusted to unrealized gains or losses (as percent)         0.375%    
Base management fee     1,389,000 [2] $ 1,293,000 [2] $ 2,801,000 $ 2,560,000  
Pre-incentive quarterly fee FFO in percentage of common stockholders' equity that will reward the Adviser (as percent)         2.00%    
Pre-incentive annual fee FFO in percentage of common stockholders' equity that will reward the Adviser (as percent)         8.00%    
Amount to be paid to Adviser in percentage of pre-incentive fee condition one (as percent)         15.00%    
Number of quarters used for the cap of average quarterly incentive fees | quarter         4    
Incentive fee description         However, in no event shall the incentive fee for a particular quarter exceed by 15.0% (the cap) the average quarterly incentive fee paid by us for the previous four quarters (excluding quarters for which no incentive fee was paid).    
Incentive fee [2]     1,119,000 904,000 $ 2,173,000 1,755,000  
Portion of incentive fee waived     0 0 $ 0 0  
Capital gains-based incentive fee (as percent)         15.00%    
Capital gain fee     0 0 $ 0 0  
Percentage of independent directors required to terminate the Amended Advisory Agreement (as a percent)         66.67%    
Termination fee payable (as percent)         200.00%    
Notice period for termination of agreement without cause         120 days    
Notice period for termination of agreement with cause         30 days    
Administration fee [2]     $ 395,000 397,000 $ 833,000 810,000  
Fees paid       $ 80,000.00 $ 90,000.00 $ 100,000  
Financing fee on total secured mortgages percentage (as percent)       0.21% 0.25% 0.20%  
Selling commissions (as percent)   6.00%          
Dealer management fee (as percent)   3.00%          
Subsequent Event              
Related Party Transaction [Line Items]              
Annual base management fee, in percentage of stockholders' equity, adjusted to unrealized gains or losses (as percent) 0.425%            
Quarterly base management fee, in percentage of stockholders' equity, adjusted to unrealized gains or losses (as percent) 0.10625%            
Minimum              
Related Party Transaction [Line Items]              
Percentage of the amount of the mortgage (as percent)         0.15%    
Maximum              
Related Party Transaction [Line Items]              
Percentage of the amount of the mortgage (as percent)         1.00%    
Series F Cumulative Redeemable Preferred Stock | Preferred Stock              
Related Party Transaction [Line Items]              
Redeemable preferred stock, shares authorized (in shares) | shares   26,000,000          
Redeemable preferred stock, dividend rate percentage (as percent)   6.00%          
Series F Cumulative Redeemable Preferred Stock | Preferred Stock | Dealer Management Agreement              
Related Party Transaction [Line Items]              
Redeemable preferred stock, shares authorized (in shares) | shares   20,000,000          
Redeemable preferred stock, dividend rate percentage (as percent)   6.00%          
Redeemable preferred stock, par value (in dollars per share) | $ / shares   $ 0.001          
Redeemable preferred stock, dividend reinvestment plan, shares authorized (in shares) | shares   6,000,000          
[1]
Refer to Note 2 “Related-Party Transactions”
[2]
Refer to Note 2 “Related-Party Transactions”