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Repurchase of common stock - Narrative (Details) - USD ($)	3 Months Ended	9 Months Ended
	Dec. 31, 2022	Dec. 31, 2022	May 08, 2019
Equity [Abstract]
Amount authorized under share repurchase program			$ 25,000,000
Repurchase of common stock (in shares)	0	0
Remaining authorized repurchase amount	$ 17,100,000	$ 17,100,000

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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-Name Accounting Standards Codification
-Topic 505
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