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Property and equipment (Tables)
12 Months Ended
Dec. 31, 2020
Property and equipment  
Schedule of property and equipment

December 31, 

    

2020

    

2019

Leasehold improvements

$

596,242

$

550,427

Construction in progress

 

118,055

 

78,343

Software

 

65,532

 

60,814

Computer equipment

 

14,808

 

16,707

Furniture, fixtures and office equipment

 

2,506

 

2,140

Total property and equipment

 

797,143

 

708,431

Less: accumulated depreciation and amortization

 

(390,815)

 

(328,188)

Total property and equipment, net

$

406,328

$

380,243