Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

Subsequent Events (Details) - Subsequent Event
$ in Thousands
Jul. 31, 2020
USD ($)
July 2020 Interest Rate Cap [Member] | Cash flow hedging  
Subsequent Event [Line Items]  
Derivative, notional amount $ 400,000
Disposal group, disposed of by sale, not discontinued operations | Magnesium Silicate Product Line [Member]  
Subsequent Event [Line Items]  
Consideration for sale of product line $ 18,000