Quarterly report pursuant to Section 13 or 15(d)

Leases - Narrative (Details)

v3.19.1
Leases - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Jan. 01, 2019
Lessee, Lease, Description [Line Items]      
Right of use asset $ 17,447   $ 17,900
Lease liability $ 19,673   $ 19,800
Weighted-average remaining lease term (in years) 7 years    
Operating lease costs $ 900 $ 500  
Weighted-average discount rate (as a percentage) 8.00%    
Cash paid for amounts included in the measurement of lease liabilities $ 600    
Minimum      
Lessee, Lease, Description [Line Items]      
Lease renewal term (in years) 5 years    
Maximum      
Lessee, Lease, Description [Line Items]      
Lease renewal term (in years) 10 years