Investments in Non-Consolidated Affiliates (Unaudited) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Noncontrolling Interest [Line Items]
Assets, Current	$ 287,875		$ 287,875		$ 266,791
NET EARNINGS (LOSS)	(104,926)	$ (26,601)	32,579	$ (3,936)
Liabilities, Current	303,020		303,020		263,239
Liabilities	2,440,599		2,440,599		$ 2,359,836
REVENUES	$ 377,794	$ 334,576	$ 767,071	$ 682,759

Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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