Quarterly report pursuant to Section 13 or 15(d)

RECENTLY ADOPTED AND ISSUED ACCOUNTING STANDARDS - Additional Information (Details)

v3.19.2
RECENTLY ADOPTED AND ISSUED ACCOUNTING STANDARDS - Additional Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Apr. 01, 2018
Prior Period Adjustments Restatement [Line Items]    
Adoption of new accounting standard   $ (1,956)
Adoption of new accounting standard, ASU 2016-02    
Prior Period Adjustments Restatement [Line Items]    
Adoption of new accounting standard $ 2,491  
Adoption of new accounting standard, ASU 2018-02    
Prior Period Adjustments Restatement [Line Items]    
Adoption of new accounting standard 0  
Accumulated Other Comprehensive Income (Loss)    
Prior Period Adjustments Restatement [Line Items]    
Adoption of new accounting standard 61,861 0
Accumulated Other Comprehensive Income (Loss) | Adoption of new accounting standard, ASU 2016-02    
Prior Period Adjustments Restatement [Line Items]    
Adoption of new accounting standard 0  
Accumulated Other Comprehensive Income (Loss) | Adoption of new accounting standard, ASU 2018-02    
Prior Period Adjustments Restatement [Line Items]    
Adoption of new accounting standard 61,861  
Retained Earnings    
Prior Period Adjustments Restatement [Line Items]    
Adoption of new accounting standard   $ (1,956)
Retained Earnings | Adoption of new accounting standard, ASU 2016-02    
Prior Period Adjustments Restatement [Line Items]    
Adoption of new accounting standard 2,491  
Retained Earnings | Adoption of new accounting standard, ASU 2018-02    
Prior Period Adjustments Restatement [Line Items]    
Adoption of new accounting standard $ (61,861)