Annual report pursuant to Section 13 and 15(d)

Related-Party Transactions - (Detail)

v3.22.0.1
Related-Party Transactions - (Detail)
 12 Months Ended
Jul. 14, 2020
Feb. 20, 2020
$ / shares
shares
Jan. 08, 2019
Dec. 31, 2021
USD ($)
officer
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Related Party Transaction [Line Items]            
Number of executive officers | officer       2    
Due to adviser and administrator [1]       $ 3,431,000 $ 2,960,000  
Annual base management fee, in percentage of stockholders' equity, adjusted to unrealized gains or losses 0.425%   1.50%      
Quarterly base management fee, in percentage of stockholders' equity, adjusted to unrealized gains or losses 0.10625%   0.375%      
Base management fee [2]       $ 5,882,000 5,648,000 $ 5,174,000
Pre-incentive quarterly fee FFO in percentage of common stockholders' equity that will reward the adviser       2.00%    
Pre-incentive annual fee FFO in percentage of common stockholders' equity that will reward the adviser       8.00%    
Amount to be paid to adviser in percentage of pre-incentive fee condition one       15.00%    
Incentive fee [2]       $ 4,859,000 4,301,000 3,688,000
Incentive fee waiver [2]       16,000 0 0
Portion of incentive fee waived       $ 0 0 0
Capital gains-based incentive fee percentage       15.00%    
Capital gain fee       $ 0 0 0
Notice period for termination of agreement without cause       120 days    
Termination fee payable       66.67%    
Payment period for termination of agreement       24 months    
Notice period for termination of agreement with cause       30 days    
Administration fee [2]       $ 1,448,000 1,598,000 1,690,000
Fees paid       $ 100,000 $ 100,000 $ 200,000
Financing fee on total secured mortgages       0.33% 0.25% 0.20%
Selling commissions   6.00%        
Dealer management fee   3.00%        
Payments for commissions       $ 700,000    
Dealer Management Agreement | Series F Cumulative Redeemable Preferred Stock | Preferred Stock            
Related Party Transaction [Line Items]            
Preferred stock, dividend rate   6.00%        
Redeemable preferred stock, shares authorized (in shares) | shares   20,000,000        
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        
Minimum            
Related Party Transaction [Line Items]            
Percentage of the amount of the mortgage       0.15%    
Maximum            
Related Party Transaction [Line Items]            
Percentage of the amount of the mortgage       1.00%    
[1] Refer to Note 2 “Related-Party Transactions”
[2] Refer to Note 2 “Related-Party Transactions”