Leases Text Tags (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Apr. 01, 2019
Lessee, Lease, Description [Line Items]
Stockholders' Equity Attributable to Parent	$ 56,218	$ 46,396	$ 48,894	$ 51,690	$ 52,301	$ 47,041
Recognition of right-of-use asset	680	0	20,000
Finance Lease, Right-of-Use Asset	86
Finance Lease, Liability	79
Stockholders' Equity Attributable to Parent	56,218	$ 46,396	$ 48,894	$ 51,690	52,301	$ 47,041
Right-of-use assets	14,838				15,344
Operating lease liability	$ 15,548				$ 16,003
Cumulative Effect, Period of Adoption, Adjustment [Member]
Lessee, Lease, Description [Line Items]
Stockholders' Equity Attributable to Parent							$ 5,300
Stockholders' Equity Attributable to Parent							$ 5,300