Financial Investments (Other Investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Investment Holdings [Line Items]
Life Insurance Contracts	$ 45,599	$ 44,560
Other Investments	106,483	149,632
Equity Mutual Fund [Member]
Investment Holdings [Line Items]
Fair Value	25,442	34,433
Fixed Income Mutual Fund [Member]
Investment Holdings [Line Items]
Fair Value	$ 35,442	$ 70,639

Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

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