Leases, Cost Recogized in Consolidated Statements of Income (Details) - USD ($)	3 Months Ended	6 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Lease cost [Abstract]
Operating lease cost	$ 2,877,000	$ 1,987,000	$ 5,560,000	$ 3,885,000
Short-term lease cost	337,000	295,000	654,000	698,000
Variable lease cost	230,000	157,000	373,000	287,000
Finance lease cost [Abstract]
Amortization of finance lease assets	428,000	372,000	841,000	730,000
Interest on finance lease liabilities	93,000	73,000	176,000	141,000
Total lease cost	$ 3,965,000	$ 2,884,000	$ 7,604,000	$ 5,741,000

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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-SubTopic 20
-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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