SEGMENT INFORMATION Schedule of Total Assets by Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 1,403,920	$ 1,677,505
North America
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	796,711	1,045,072
International
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	607,209	632,433
UNITED STATES
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	777,300	1,006,200
IRELAND
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 145,300	$ 219,700