Stock Based Compensation - Fair Value Assumptions of Options (Details) - Stock options	12 Months Ended
Dec. 31, 2020 $ / shares
Weighted Average Assumptions Used to Estimate Fair Value [Abstract]
Weighted Average Expected Stock Price Volatility (as a percent)	28.00%
Weighted Average Expected Dividend Yield (as a percent)	0.00%
Expected Life of Option (in years)	3 years 11 months 23 days
Weighted Average Risk-Free Interest Rate (as a percent)	0.23%
Stock price (USD per share)	$ 4.99
Weighted Average Exercise Price (USD per share)	$ 22.00

Weighted Average Assumptions Used to Estimate Fair Value

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- Definition

Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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- Definition

Rate of weighted-average expected volatility for award under share-based payment arrangement.

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- Definition

Price of a single share of a number of saleable stocks of a company.

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- Definition

Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ 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 (f)(2)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.D.2)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

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