Agreement and Plan of Merger (Narrative) (Details)	6 Months Ended
Jun. 30, 2021
Riverview
Business Acquisition [Line Items]
Ratio of conversion of acquiree's shares to entity's shares	48.33%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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