Quarterly report pursuant to Section 13 or 15(d)

Related-Party Transactions - Additional Information (Detail)

v3.19.2
Related-Party Transactions - Additional Information (Detail)
 3 Months Ended 6 Months Ended
Jan. 10, 2017
quarter
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
officer
Jun. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
Related Party Transaction [Line Items]            
Number of executive officers | officer       2    
Amount due to Adviser and Administrator [1]   $ 2,635,000   $ 2,635,000   $ 2,523,000
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   1,293,000 [2] $ 1,260,000 [2] $ 2,560,000 $ 2,556,000 [2]  
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]   904,000 733,000 $ 1,755,000 1,429,000  
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]   397,000 360,000 810,000 747,000  
Fees paid   $ 80,000 $ 0 $ 100,000 $ 20,000  
Financing fee on total secured mortgages percentage (as percent)   0.21% 0.01% 0.20% 0.11%  
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%    
[1] Refer to Note 2 “Related-Party Transactions”
[2] Refer to Note 2 “Related-Party Transactions”