Annual report pursuant to Section 13 and 15(d)

Operating Leases - Additional Information (Details)

v3.19.3.a.u2
Operating Leases - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Jan. 01, 2019
Lessee, Lease, Description [Line Items]    
Extension renewal term 20 years  
Lease termination period 1 year  
Operating lease right-of-use assets $ 28,955 $ 21,000
Operating lease liabilities 28,925 $ 21,000
Additional operating leases not yet commenced $ 1,600  
Lease term for leases not yet commenced 2 years  
Minimum    
Lessee, Lease, Description [Line Items]    
Operating lease term 1 year  
Maximum    
Lessee, Lease, Description [Line Items]    
Operating lease term 15 years