Stockholders' Equity - Share Repurchases (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2021	Mar. 29, 2021
Stockholders' Equity
Amount of authorizes repurchase		$ 40.0
Amount of repurchase of shares	$ 15.8
Repurchase of shares (in shares)	239,096

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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