Acquisitions Quest Capital (Details) $ in Millions	6 Months Ended
Mar. 31, 2020 USD ($)
Quest Capital Strategies, Inc. [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 1.7

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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