INTEREST EXPENSE AND SUPPLEMENTAL CASH FLOW INFORMATION - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents of continuing operations	$ 36,815	$ 43,772	$ 35,190	$ 43,214
Restricted cash and cash equivalents	11,301	13,169	9,180	17,065
Total cash, cash equivalents and restricted cash shown in the Condensed Consolidated Statements of Cash Flows	48,116	56,941	44,370	60,279
Held by foreign entities
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents of continuing operations	34,676	38,921	30,932	35,522
Held by U.S. entities
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents of continuing operations	2,139	4,851	4,258	7,692
Reinsurance reserve requirements
Cash and Cash Equivalents [Line Items]
Restricted cash and cash equivalents	5,596	9,318	5,350	11,768
Restricted foreign accounts
Cash and Cash Equivalents [Line Items]
Restricted cash and cash equivalents	2,661	3,851	3,830	5,297
Bank guarantee collateral
Cash and Cash Equivalents [Line Items]
Restricted cash and cash equivalents	$ 3,044	$ 0	$ 0	$ 0