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Other Investments, Fair Value Disclosure

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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FINANCIAL INSTRUMENTS Narrative (Details) - USD ($) $ in Thousands			3 Months Ended			6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2020	Jun. 30, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value / carrying value	$ 22,045	$ 16,384	$ 22,045			$ 22,045
Income (loss) from equity method investments						790	$ 450
AccuRisk Holdings LLC \| Variable Interest Entity, Not Primary Beneficiary
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity method investment, ownership percentage	58.00%	58.00%
Line of credit facility increase accrued interest						6,000
Income (loss) from equity method investments			(100)	$ 0		800	500
Private investments and unlisted equities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value / carrying value	$ 15,553	$ 10,681	15,553			15,553
Other investments, adjustment			$ 3,300		$ 200	$ 4,100	$ 200