ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 122,409
Ending balance	122,922
Total Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	277
Current period other comprehensive income	21
Ending balance	298
Minimum Pension Liability
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(419)
Current period other comprehensive income	0
Ending balance	(419)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	696
Current period other comprehensive income	21
Ending balance	$ 717