Segment Disclosures - Additional Information (Detail)
12 Months Ended
Dec. 31, 2021
USD ($)
Segment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Segment Reporting Information [Line Items]      
Number of reportable business segments | Segment 2    
Total revenues $ 168,764,571 $ 124,024,363 $ 109,528,549
Self Storage      
Segment Reporting Information [Line Items]      
Total revenues 158,162,934 110,174,925 103,201,260
Self Storage | Canada      
Segment Reporting Information [Line Items]      
Total revenues $ 19,000,000.0 $ 14,600,000 $ 13,400,000