BUSINESS AND SEGMENT REPORTING (Reconciliation of Assets of Segments to Consolidated Amounts) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Segment Reporting Information [Line Items]
Adjusted total assets	$ 1,609,765		$ 1,710,148
Cash and cash equivalents	128,063	$ 89,671	91,662
Restricted cash	16,398	60,572	58,630
Other unallocated amounts	4,730		4,769
Total assets	1,758,956	$ 1,753,501	1,865,209
Other Segment [Member]
Segment Reporting Information [Line Items]
Adjusted total assets	$ 0		$ 116,203