XML 57 R47.htm IDEA: XBRL DOCUMENT v3.21.2
Cash Flow Hedges (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Nov. 14, 2018
Cash Flow Hedges      
Settlement value of interest rate swap liability before tax $ 2.9 $ 2.9  
Receive Variable Pay Fixed Rate | Interest Rate Swap      
Cash Flow Hedges      
Interest rate swap notional amount     $ 410.0
Derivatives interest rate swap fixed interest rate     (2.9065%)
Derivative hedges realized loss $ 2.9 $ 6.7