Commitments and Contingencies - Deferred Compensation Plans (Details) - USD ($) |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
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| 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 | |
| X | ||||||||||
- Definition Deferred Compensation Arrangement with Individual, Employer Discretionary Contribution Amount No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. No definition available.
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| X | ||||||||||
- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer). No definition available.
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| X | ||||||||||
- Definition This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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