Fair Value Measurements - Changes in level 3 inputs (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Dec. 31, 2021	Mar. 31, 2021
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Fair value at beginning of period	$ 16,128	$ 13,885
Interest expense accrued	77	150
Increase in fair value	(605)	2,093
Conversion	(15,600)
Fair value at period end	$ 0	$ 16,128

The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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