Debt - Schedule of Warehouse Lines of Credit (Details) - Line of Credit - Mortgages Segment	Jun. 30, 2020 USD ($)
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 125,000,000
Citibank, N.A.
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 75,000,000
Weighted Average Interest Rate	1.88%
Comerica Bank
Debt Instrument [Line Items]
Maximum Borrowing Capacity	$ 50,000,000
Weighted Average Interest Rate	2.81%

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant