Nature of Operations and Basis of Presentation - Narrative (Details) - loan	Sep. 30, 2021	Apr. 30, 2021	Feb. 28, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of equity method investments	2
Flexia
Accounts, Notes, Loans and Financing Receivable [Line Items]
Ownership percentage	80.00%		80.00%
Trabian
Accounts, Notes, Loans and Financing Receivable [Line Items]
Ownership percentage	80.00%	80.00%
MVB Technology
Accounts, Notes, Loans and Financing Receivable [Line Items]
Ownership percentage	93.40%
Flexia
Accounts, Notes, Loans and Financing Receivable [Line Items]
Ownership percentage by noncontrolling owners	20.00%		20.00%
Trabian
Accounts, Notes, Loans and Financing Receivable [Line Items]
Ownership percentage by noncontrolling owners	20.00%	20.00%
MVB Technology
Accounts, Notes, Loans and Financing Receivable [Line Items]
Ownership percentage by noncontrolling owners	6.60%