Quarterly report pursuant to Section 13 or 15(d)

ACCOUNTING POLICIES - New Accounting Standards (Details)

v3.19.2
ACCOUNTING POLICIES - New Accounting Standards (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Jan. 01, 2019
Jun. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease, liability $ 69,398    
Accounting Standards Update 2016-02      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Operating lease, liability 69,400 $ 53,200  
Operating lease, right-of-use asset 57,100 $ 48,900  
Accumulated Other Comprehensive Income (Loss)      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Cumulative effect of new accounting principle in period of adoption     $ (107)
Accumulated Other Comprehensive Income (Loss) | Accounting Standards Update 2016-02      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Cumulative effect of new accounting principle in period of adoption $ (1,100)