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Summary of Significant Accounting Policies (Details) | 12 Months Ended
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Dec. 31, 2020 plan
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Number of compensation plans | 3
Award vesting period (in years) | 4 years
ESPP, market price discount percentage | 5.00%
Option |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Award vesting period (in years) | 4 years
Restricted Stock Units (RSUs) |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Award vesting period (in years) | 3 years
Building and Building Improvements | Minimum |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Property, plant and equipment, useful life | 20 years
Building and Building Improvements | Maximum |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Property, plant and equipment, useful life | 40 years
Furniture and Fixtures | Minimum |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Property, plant and equipment, useful life | 7 years
Furniture and Fixtures | Maximum |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Property, plant and equipment, useful life | 10 years
Computer Equipment | Minimum |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Property, plant and equipment, useful life | 5 years
Computer Equipment | Maximum |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Property, plant and equipment, useful life | 7 years

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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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