Business Acquisitions and Divestitures - Additional Information (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
|
| Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] | |||||
| Disposal group including discontinued operation, purchase consideration | $ 73,796 | $ 0 | $ 73,796 | $ 0 | |
| Placed, LLC | |||||
| Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] | |||||
| Disposal group including discontinued operation, cash consideration | $ 77,800 | $ 77,800 | $ 77,800 | ||
| Disposal group including discontinued operation, purchase consideration | 66,900 | ||||
| Placed, LLC | Other Income (Expense) | |||||
| Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] | |||||
| Disposal group including discontinued operation, net gain on disposal | $ 39,900 | ||||