Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Deferred Compensation Plans (Details)

v3.21.1
Commitments and Contingencies - Deferred Compensation Plans (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]      
Contributions by employer $ 500,000 $ 500,000  
Employer discretionary contribution amount 0 $ 0  
Deferred compensation liability, noncurrent 63,400,000   $ 58,200,000
Life insurance $ 61,500,000   $ 56,500,000