Quarterly report pursuant to Section 13 or 15(d)

Leases - Narrative (Details)

v3.19.1
Leases - Narrative (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
USD ($)
May 02, 2019
USD ($)
Agreement
Jan. 01, 2019
USD ($)
Dec. 31, 2018
USD ($)
Lessee, Lease, Description [Line Items]        
Operating lease right-of-use asset $ 30,350   $ 31,639 $ 0
Current portions of operating lease right-of-use liability 5,082   5,084 0
Long-term portions of operating lease liability 27,305   28,480 $ 0
Operating leases revenue $ 2,224      
842 Adjustment        
Lessee, Lease, Description [Line Items]        
Operating lease right-of-use asset     31,639  
Current portions of operating lease right-of-use liability     5,084  
Long-term portions of operating lease liability     $ 28,480  
Minimum        
Lessee, Lease, Description [Line Items]        
Operating lease renewal term 6 months      
Maximum        
Lessee, Lease, Description [Line Items]        
Operating lease renewal term 7 years      
Subsequent Event        
Lessee, Lease, Description [Line Items]        
Number of land leases not yet commenced | Agreement   1    
Undiscounted total lease payments related to land lease not yet commenced   $ 535