XML 25 R46.htm IDEA: XBRL DOCUMENT v3.20.1
Financial Instruments - Derivatives and Hedging (Fair Value) (Details) - Interest Rate Swap - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Derivatives, Fair Value [Line Items]    
Gross derivative assets $ 0 $ 3,795
Gross derivative liabilities (33,532) (13,449)
Net derivative liabilities $ (33,532) $ (9,654)