Fair Value Measurements - Goodwill and Asset Impairment (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
---|---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
|
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
Property, plant and equipment and leasehold intangibles, net | $ 6,900 | $ 47,700 | |||
Goodwill and asset impairment | $ 3,769 | 16,103 | $ 4,160 | 446,466 | |
Nonrecurring | |||||
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
Goodwill | 0 | 351,700 | |||
Property, plant and equipment and leasehold intangibles, net | 6,900 | 47,700 | |||
Investment in unconsolidated ventures | 0 | $ 33,400 | 33,400 | ||
Other intangible assets, net | 0 | 1,700 | |||
Assets held for sale | 9,200 | 12,000 | |||
Goodwill and asset impairment | $ 16,100 | $ 446,500 |