CONDENSED CONSOLDIATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (unaudited) (Parenthetical) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Foreign currency translation adjustment, tax	$ 361,000	$ (90,000)
Services
Cost of revenue, depreciation, depletion, amortization and accretion	23,554,000	25,682,000
Products
Cost of revenue, depreciation, depletion, amortization and accretion	2,309,000	2,871,000
Related parties \| Services
Cost of revenue, depreciation, depletion, amortization and accretion	$ 0	$ 0

Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569643-111683

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 19
-URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684

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