Commitments and Contingencies - Additional Information (Detail) - USD ($)
1 Months Ended 12 Months Ended
Jan. 09, 2017
Nov. 30, 2016
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Oct. 19, 2021
Commitments And Contingencies [Line Items]                  
Additional shares issued pursuant to distribution reinvestment plan, value           $ 19,564,929 $ 15,954,081 $ 16,046,534  
Redemptions of common stock, value           $ 390 $ 165 $ 592  
Distribution Reinvestment Plan                  
Commitments And Contingencies [Line Items]                  
Amendment, suspension or termination period for distribution reinvestment Plan           10 days      
Sales commissions, dealer manager fee, or stockholder servicing fee payable           $ 0      
Distribution Reinvestment Plan | Maximum                  
Commitments And Contingencies [Line Items]                  
Additional shares issued pursuant to distribution reinvestment plan, value   $ 100,900,000              
Share Redemption Program                  
Commitments And Contingencies [Line Items]                  
Amendment, suspension or termination period of share           30 days      
Net asset value per share and redemption price                 $ 15.08
Maximum weighted-average number of shares outstanding percentage           5.00%      
Redemptions of common stock (in shares)           400,000 200,000 4,900,000  
Redemptions of common stock, value       $ 700,000 $ 400,000 $ 5,600,000 $ 2,000,000.0 $ 500,000  
Share Redemption Program | Subsequent Event                  
Commitments And Contingencies [Line Items]                  
Redemptions of common stock, value     $ 1,700,000            
Operating Partnership Redemption Rights                  
Commitments And Contingencies [Line Items]                  
Number of shares issuable upon conversion of partnership units           1      
Requisite minimum outstanding period for conversion eligibility           1 year      
Class A and Class T Common Stock | Distribution Reinvestment Plan                  
Commitments And Contingencies [Line Items]                  
Estimated value per share under distribution reinvestment plan                 $ 15.08
Class A Common stock | Distribution Reinvestment Plan                  
Commitments And Contingencies [Line Items]                  
Shares issued pursuant to distribution reinvestment plan 1,100,000     6,900,000          
Class T Common stock | Distribution Reinvestment Plan                  
Commitments And Contingencies [Line Items]                  
Shares issued pursuant to distribution reinvestment plan 100,000         1,000,000.0      
Redeemable Common Stock | Share Redemption Program                  
Commitments And Contingencies [Line Items]                  
Redemptions of common stock, value           $ 3,900,000 $ 1,300,000 $ 4,500,000