Fair Value Measurements - Schedule of Financial Assets Measured At Fair Value On A Nonrecurring Basis (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)
Assets:
Intangible assets, excluding goodwill	$ 2,020	$ 4,261	$ 65,771	$ 104,660
Operating lease right-of-use assets	6,392	0	6,392	0
Total	$ 8,412	$ 4,766	106,197	$ 258,652
Fair value, measurements, nonrecurring
Assets:
Intangible assets, excluding goodwill			65,771
Certain property, plant and equipment			1,248
Operating lease right-of-use assets			6,392
Total			73,411
Level 1 Inputs | Fair value, measurements, nonrecurring
Assets:
Intangible assets, excluding goodwill			0
Certain property, plant and equipment			0
Operating lease right-of-use assets			0
Total			0
Level 2 Inputs | Fair value, measurements, nonrecurring
Assets:
Intangible assets, excluding goodwill			0
Certain property, plant and equipment			0
Operating lease right-of-use assets			0
Total			0
Level 3 Inputs | Fair value, measurements, nonrecurring
Assets:
Intangible assets, excluding goodwill			24,377
Certain property, plant and equipment			0
Operating lease right-of-use assets			0
Total			$ 24,377
Discount rate | Minimum | Fair value, measurements, nonrecurring
Assets:
Discount rate applied	0.100		0.100
Discount rate | Maximum | Fair value, measurements, nonrecurring
Assets:
Discount rate applied	0.150		0.150
Discount rate | Weighted average | Fair value, measurements, nonrecurring
Assets:
Discount rate applied	0.122		0.122