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Nature of Operations and Summary of Significant Accounting Policies Purchase of Investment (Details) $ in Thousands | Mar. 31, 2018 USD ($)
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Preferred Stock [Member] | Automated Bookkeeping, Inc. [Member] |
Schedule of Cost-method Investments [Line Items] |
Cost Method Investments, Original Cost | $ 5,000

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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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