Business Acquisition - Additional Information (Details) - Mortgage World Bankers Inc - USD ($) $ in Thousands		9 Months Ended
Jul. 10, 2020	Sep. 30, 2021
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Jul. 10, 2020	Jul. 10, 2020
Business Acquisition, Name of Acquired Entity	Mortgage World	Mortgage World
Business Combination, Consideration Transferred		$ 1,755
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net		$ 0

Date when the acquirer obtains control of the acquiree, in YYYY-MM-DD format.

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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.

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No definition available.

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Name of the acquired entity.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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