XML 33 R49.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Goodwill And Intangible Assets [Line Items]    
Fair value assets measured on non-recurring basis $ 1,143,071 $ 967,933
Goodwill 662,396 $ 660,981
Accumulated goodwill impairment losses to date 9,300  
Fair Value Measurement Non-Recurring | Level 3    
Goodwill And Intangible Assets [Line Items]    
Fair value assets measured on non-recurring basis 694,000  
Goodwill 662,400  
Indefinite-lived intangible assets $ 31,600