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Stock Repurchase Program (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	May 31, 2019
Repurchase May 2019 Plan
Class of Stock
Stock repurchased program authorized number of shares (in shares)					1,000,000
Stock repurchased during period (in shares)		395,029	168,602	436,369
February 2019 Plan
Class of Stock
Stock repurchased during period, value		$ 3.9
March2021 Plan
Class of Stock
Stock repurchased during period, value	$ 1.6
Stock repurchased during period (in shares)	100,000

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Number of shares that have been repurchased and retired during the period.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern 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.

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