Nature of Operations and Summary of Significant Accounting Policies Purchase of Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020
Automated Bookkeeping, Inc. [Member] \| Preferred Stock [Member]
Cost Method Investments, Original Cost	$ 6,000	$ 6

Original amount of cost-method investments at the acquisition date.

No definition available.

Name:	us-gaap_CostMethodInvestmentsOriginalCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant