Annual report pursuant to Section 13 and 15(d)

LEASES - Narrative (Details)

v3.20.1
LEASES - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease right-of-use assets $ 23,951    
Lease liability 25,154    
Operating lease, cost 6,700    
Short-term lease, cost 200    
Sublease income (100)    
Operating leases, rent expense   $ 8,500  
Operating lease, payments 6,100    
Right-of-use asset obtained in exchange for operating lease liability 29,900    
Right-of-use asset obtained in exchange for finance lease liability, decrease due to canceled leases $ (500)    
Operating lease, weighted average remaining lease term 7 years    
Operating lease, weighted average discount rate, percent 4.21%    
Asset retirement obligations incurred $ 600    
Asset retirement obligations settled $ 300    
Accounting Standards Update 2016-02      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease right-of-use assets     $ 23,143
Lease liability     $ 23,992