Quarterly report pursuant to Section 13 or 15(d)

Leases (Details)

v3.19.3
Leases (Details)
$ in Millions
3 Months Ended 9 Months Ended
Dec. 31, 2019
USD ($)
Sep. 30, 2019
USD ($)
ft²
Dec. 31, 2018
USD ($)
Oct. 31, 2018
USD ($)
ft²
lease_renewal_option
Lessee, Lease, Description [Line Items]        
Initial Size of Leased Property (in square feet) | ft²   105,000   105,000
Square Feet Expected To Be Delivered | ft²       96,400
Lessee, Operating Lease, Rentable Area, Phase Three | ft²       8,600
Lessee, Operating Lease, Rentable Area, Phase Four | ft²       22,300
Additional Space Subject To A Right of Refusal (in square feet) | ft²       13,400
Initial lease term (in months)       12 years 6 months
Number of Lease Renewal Terms | lease_renewal_option       2
Lease renewal term (in months)       60 months
Security deposit | $     $ 0.8  
Tenant Improvements Allowance | $ $ 11.2     $ 11.2
Rent expense | $   $ 0.8    
Deferred rent liability | $   $ 12.1    
Scenario, Forecast        
Lessee, Lease, Description [Line Items]        
Monthly base rent | $ $ 0.2