Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Details)

v3.19.3
Leases - Additional Information (Details)
 1 Months Ended
Oct. 03, 2014
USD ($)
Aug. 31, 2018
USD ($)
ft²
Oct. 27, 2017
USD ($)
ft²
Jun. 30, 2017
USD ($)
ft²
Oct. 31, 2015
USD ($)
ft²
Nov. 01, 2019
USD ($)
Sep. 30, 2019
USD ($)
Total future rent             $ 36,540,000
Security Deposit           $ 1,300,000  
Gansevoort St, New York [Member]              
Lessee, Operating Lease, Term of Contract 15 years            
Lessee Operating Lease Annual Average Rental Expense $ 2,700,000            
Total future rent 40,700,000            
Total future rent, net of sublease 16,000,000            
Waltham [Member]              
Lessee, Operating Lease, Term of Contract         5 years    
Lessee Operating Lease Annual Average Rental Expense         $ 200,000    
Land Subject to Ground Leases | ft²         6,100    
Scottsdale, AZ [Member]              
Lessee Operating Lease Annual Average Rental Expense   $ 94,000   $ 55,000      
Lessee, Operating Lease, Option to Extend   P2Y          
Land Subject to Ground Leases | ft²   3,681   2,295      
Plantation St, Worcester, MA [Member]              
Total future rent     $ 3,600,000        
Land Subject to Ground Leases | ft²     27,043        
Security Deposit             800,000
Lessee Operating Lease Base Rent Net of Abatements     $ 600,000        
Cash [Member]              
Security Deposit           300,000  
Cash [Member] | Plantation St, Worcester, MA [Member]              
Security Deposit             300,000
LOC Fees [Member]              
Security Deposit           $ 1,000,000  
LOC Fees [Member] | Plantation St, Worcester, MA [Member]              
Security Deposit             $ 500,000
OPPM [Member] | Gansevoort St, New York [Member]              
Lessee Operating Lease Annual Average Rental Expense $ 300,000            
Lessee Operating Lease Percentage Of Desk Space To Occupy 10.00%            
TGTX [Member] | Gansevoort St, New York [Member]              
Lessee Operating Lease Annual Average Rental Expense $ 1,100,000            
Lessee Operating Lease Percentage Of Desk Space To Occupy 45.00%