XML 94 R65.htm IDEA: XBRL DOCUMENT v3.21.2
Derivative Financial Instruments - Fair Value Derivatives (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Derivatives designated as hedging instruments | Accrued expenses and other current liabilities | Interest rate swap agreements    
Derivative [Line Items]    
Derivative liability $ 12,651 $ 15,989