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Deferred Compensation Plans - Additional Information (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]
Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance	111,419	124,392
Other Liabilities [Member]
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]
Deferred Compensation Liability, Current and Noncurrent, Total	$ 3.3	$ 3.2

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- Definition

Number of common shares reserved for future issuance related to deferred compensation arrangements with individuals.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

+ Details

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- Details

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