XML 87 R77.htm IDEA: XBRL DOCUMENT v3.21.2
Long-Term Obligations (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
LOng-Term Obligations Disclosure [Abstract]    
Line of Credit Facility, Maximum Borrowing Capacity $ 150.0  
Line of Credit, Current 0.0 $ 150.0
Line of Credit Facility, Remaining Borrowing Capacity $ 150.0  
Line of Credit Facility, Expiration Date Nov. 08, 2022