SEGMENT INFORMATION Schedule of Total Assets by Segment (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	[1]	$ 1,488,700	$ 1,677,505
North America
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	[1]	871,222	1,045,072
International
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	[1]	617,478	632,433
UNITED STATES
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		846,300	1,006,200
IRELAND
Segment Reporting, Asset Reconciling Item [Line Items]
Assets		$ 162,700	$ 219,700

[1] (1)North America contains assets from the United States of $846.3 million and $1,006.2 million as of June 30, 2018 and December 31, 2017, respectively. International contains assets from Ireland of $162.7 million and $219.7 million as of June 30, 2018 and December 31, 2017, respectively. There were no other individual countries that represented more than 10% of consolidated total assets as of June 30, 2018 and December 31, 2017.