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Property, Plant and Equipment, Net - Additional Information (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2019 reporting_unit	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Property, Plant and Equipment [Abstract]
Depreciation expense		$ 7,449	$ 8,222	$ 8,946
Impairment of long-lived assets held-for-use		$ 920	$ 448
Number of reporting units closed | reporting_unit	2

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Number Of Reporting Units Closed

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
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-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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-Publisher FASB
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