Leases, Cost Recogized in Consolidated Statements of Income (Details) - USD ($)	3 Months Ended	9 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Lease cost [Abstract]
Operating lease cost	$ 2,962,000	$ 2,402,000	$ 8,522,000	$ 6,287,000
Short-term lease cost	373,000	278,000	1,027,000	976,000
Variable lease cost	183,000	133,000	556,000	420,000
Finance lease cost [Abstract]
Amortization of finance lease assets	458,000	448,000	1,299,000	1,178,000
Interest on finance lease liabilities	98,000	73,000	274,000	214,000
Total lease cost	$ 4,074,000	$ 3,334,000	$ 11,678,000	$ 9,075,000

No definition available.

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- Definition

Amount of interest expense on finance lease liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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- References

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

+ References

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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

+ References

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