Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.19.3
Commitments and Contingencies - Additional Information (Details)
3 Months Ended 9 Months Ended
Jun. 30, 2019
ft²
Sep. 30, 2019
USD ($)
Dec. 31, 2016
USD ($)
Commitments And Contingencies [Line Items]      
Lease expiration date   Jan. 03, 2020  
Operating leases, future minimum payments, due in 2019   $ 15,288  
Millbrook, NY      
Commitments And Contingencies [Line Items]      
Gross square feet of traditional drive-up storage units and all-climate-controlled units | ft² 16,500    
Minimum | Millbrook, NY      
Commitments And Contingencies [Line Items]      
Construction completion period   9 months  
Maximum | Millbrook, NY      
Commitments And Contingencies [Line Items]      
Construction completion period   12 months  
Tuxis      
Commitments And Contingencies [Line Items]      
Additional cash payment     $ 900,000