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Nature of Operations and Summary of Significant Accounting Policies Purchase of Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Jun. 30, 2020
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Automated Bookkeeping, Inc. [Member] | Preferred Stock [Member] |  |
Cost Method Investments, Original Cost | $ 13,250 | $ 6,000

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- Definition Original amount of cost-method investments at the acquisition date. + References No definition available. + Details
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- Details
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- Details
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