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
Jun. 30, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 553,295 $ 547,988
Accumulated amortization (183,714) (156,009)
Net carrying amount 369,581 391,979
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 408,267 408,267
Accumulated amortization (112,192) (95,167)
Net carrying amount 296,075 313,100
Other    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 145,028 139,721
Accumulated amortization (71,522) (60,842)
Net carrying amount $ 73,506 $ 78,879