Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - (Intangibles Subject to Amortization) (Details)

v3.20.2
Intangible Assets - (Intangibles Subject to Amortization) (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 504,707 $ 547,988
Accumulated amortization (148,380) (156,009)
Net carrying amount 356,327 391,979
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 385,000 408,267
Accumulated amortization (97,438) (95,167)
Net carrying amount 287,562 313,100
Other    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 119,707 139,721
Accumulated amortization (50,942) (60,842)
Net carrying amount $ 68,765 $ 78,879