Commitments - Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Nov. 30, 2019	Sep. 30, 2019	Jul. 01, 2019
Loss Contingencies [Line Items]
Right-of-use asset	$ 9,343
Present value of lease liabilities	10,941
ROU current liability	1,097
ROU non-current liability	$ 9,844
Trevose PA headquarters
Loss Contingencies [Line Items]
Right-of-use asset		$ 4,300
Present value of lease liabilities		$ 4,300
Operating lease term			8 years
ASU 2016-02 | Restatement
Loss Contingencies [Line Items]
Right-of-use asset					$ 7,900
Present value of lease liabilities					$ 7,900
ASU 2016-02 | Restatement | Cody Restructuring Plan
Loss Contingencies [Line Items]
Right-of-use asset				$ 1,200