XML 87 R77.htm IDEA: XBRL DOCUMENT v3.20.2
Derivative Instruments and Hedging Activities - Fair Value of Derivative Instruments (Details) - Interest rate swaps
$ in Thousands
Dec. 31, 2019
USD ($)
Derivative [Line Items]  
Derivative labilities $ (29,000)
Variation margin 44,800
Trading  
Derivative [Line Items]  
Derivative assets $ 15,878