Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Intangibles (Customer relationships and related accumulated amortization) (Details)

v3.19.3.a.u2
Intangibles (Customer relationships and related accumulated amortization) (Details) - Customer relationships - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 360,000 $ 360,000
Accumulated amortization (119,235) (98,059)
Finite-lived intangible assets $ 240,765 $ 261,941