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Leases (Tables)
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Summary of lease information
The following table summarizes lease information:
 
    
Year ended December 31,
  
    
2020
     
2021
  
Lease cost
      
Operating lease cost
    $ 10,441,532      $ 11,104,313  
Finance lease cost:
      
Amortization of
right-of-use
asset
      13,333        13,334  
Interest on lease liability
      5,371        2,829  
Short-term lease cost
      28,800        29,100  
    
 
 
     
 
 
  
Total lease cost
    $ 10,489,036      $ 11,149,576  
    
 
 
     
 
 
  
 
Other information
                  
Operating cash flows from operating leases
    $ 10,775,742      $ 11,272,752  
Operating cash flows from finance lease
      5,371        2,829  
Financing cash flows from finance lease
      64,821        70,171  
Right-of-use
assets obtained in exchange for new operating lease liabilities
      1,823,807        8,220,577  
Right-of-use
assets obtained in exchange for new finance lease liabilities
      —          —    
 
    
December 31,
2021
  
Weighted-average remaining lease term – operating leases
      5.3 years  
Weighted-average remaining lease term – finance lease
      24.0 years  
Weighted-average discount rate – operating leases
      8.1%
Weighted-average discount rate – finance lease
      3.9%  
Schedule of future minimum lease payments
As of December 31, 2021, future minimum payments for operating and finance leases for the next five years and thereafter are summarized as follows:
 
2022
    $ 10,348,839  
2023
      8,938,966  
2024
      7,689,531  
2025
      6,615,613  
2026
      4,039,083  
Thereafter
      10,508,875  
    
 
 
  
Total lease payments
      48,140,907  
Less imputed interest
      (11,697,681 ) 
    
 
 
  
Present value of lease liabilities
    $ 36,443,226