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Stock Repurchase Program (Details) - USD ($) $ in Millions		1 Months Ended	3 Months Ended	12 Months Ended
	Mar. 27, 2021	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2021	May 31, 2019
Class of Stock [Line Items]
Shares repurchased during period (in shares)	100,000
May 2019 Plan
Class of Stock [Line Items]
Number of shares authorized for repurchase (up to) (in shares)						1,000,000
Shares repurchased during period (in shares)			169,602	436,369
Stock repurchased during period, value			$ 1.2
Remaining number of shares authorized to be repurchased (in shares)					395,029
March 2021 Plan
Class of Stock [Line Items]
Stock repurchased during period, value		$ 1.6
Shares repurchased and retired during period (in shares)		100,000

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The remaining 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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