Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Details)

v3.19.2
Leases - Additional Information (Details)
 1 Months Ended 3 Months Ended 6 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 ($)
ft²
Jun. 30, 2019
USD ($)
Jun. 30, 2019
USD ($)
Lessee, Operating Lease, Term of Contract 15 years       5 years    
Lessee Operating Lease Annual Average Rental Expense $ 2,700,000       $ 200,000    
Operating Leases, Rent Expense, Net 40,700,000           $ 16,000,000
Land Subject to Ground Leases | ft²         6,100    
Operating Lease, Liability           $ 26,136,000 26,136,000
Operating Lease, Right-of-Use Asset           22,255,000 22,255,000
Operating Lease, Expense           $ 800,000 $ 1,600,000
MASSACHUSETTS              
Operating Leases, Rent Expense, Net     $ 3,600,000        
Land Subject to Ground Leases | ft²     27,043        
Lessee Operating Lease Base Rent Net of Abatements     $ 600,000        
AZERBAIJAN              
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      
OPPM [Member]              
Lessee Operating Lease Annual Average Rental Expense $ 300,000            
Lessee Operating Lease Percentage Of Desk Space To Occupy 10.00%            
TGTX [Member]              
Lessee Operating Lease Annual Average Rental Expense $ 1,100,000            
Lessee Operating Lease Percentage Of Desk Space To Occupy 45.00%