Annual report pursuant to Section 13 and 15(d)

Leases - Narrative (Details)

v3.19.3.a.u2
Leases - Narrative (Details)
$ in Thousands
12 Months Ended
Jan. 01, 2019
USD ($)
renewal_option
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Jun. 29, 2018
Lessee, Lease, Description [Line Items]          
Operating lease liability related to sale leaseback transactions   $ 36,800      
Sale leaseback liabilities as a percentage of total operating lease liabilities   97.00%      
Deferred income taxes   $ 790 $ 253    
Incremental borrowing late 7.32%        
Right-of-use asset obtained in exchange for operating lease liability   $ 4,900      
Initial term of operating lease 20 years       20 years
Number of renewal options | renewal_option 2        
Number of years in each renewal option 10 years        
Escalator equal to the lessor 125.00%        
Maximum rent escalator percentage 2.00%        
Rent expense     4,000 $ 3,300  
Accounting Standards Update 2016-02          
Lessee, Lease, Description [Line Items]          
Cumulative adjustment due to adoption of ASU     4,623    
Deferred income taxes $ 1,300        
Retained Earnings | Accounting Standards Update 2016-02          
Lessee, Lease, Description [Line Items]          
Cumulative adjustment due to adoption of ASU $ 4,600   $ 4,623