Fair Value - Additional Information (Details) $ in Thousands	9 Months Ended
Sep. 30, 2020 USD ($)
Fair Value Disclosures [Abstract]
Significant purchase commitment description	Mortgage World enters into rate lock commitments to extend credit to borrowers for generally up to a 60 day period for origination and/or purchase of loans. To the extent that a loan is ultimately granted and the borrower ultimately accepts the terms of the loan, these loan commitments expose Mortgage World to variability in its fair value due to changes in interest rates.
Derivative, notional amount	$ 16,537
Derivatives from interest rate lock commitments	$ 58

Excluding long-term commitments, description of arrangements in which the entity has agreed to expend funds to procure goods or services from one or more suppliers, which may include identification of the goods or services to be purchased, identity of the seller, pricing, effects on pricing (such as penalties) of failing to reach minimum quantities required to be purchased, cancellation rights, and termination provisions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.(a)(19))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.17)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration