Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Deferred compensation plan) (Details)

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Fair Value Measurements (Deferred compensation plan) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Mar. 31, 2021
Fair Value Disclosures [Abstract]          
Plan assets $ 5,710   $ 5,710   $ 5,047
Deferred compensation liability 5,258   5,258   $ 4,608
Deferred compensation plan expense/(income) 292 $ 599 610 $ 1,380  
Unrealized gain (loss) on investments $ 314 $ 651 $ 620 $ 1,419