Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details)

v3.19.2
Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details) - USD ($)
6 Months Ended
Jan. 01, 2019
Jun. 30, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Right-of-use assets   $ 29,409,000
Lease liability   $ 30,088,000
Accounting Standards Update 2016-02    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Estimated incremental borrowing rate for estimation of present value of lease payments   9.00%
Cumulative-effect adjustment on accumulated deficit $ 0  
Right-of-use assets 32,800,000  
Lease liability 33,200,000  
Derecognized deferred rent $ 399,000