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Fair Value Measurements - Schedule of Changes in IRLCs (Details) - IRLCs - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Derivative Asset, Rollforward [Roll Forward]
Balance, beginning of the period	$ 5,002	$ 2,225	$ 12,342	$ 937
Issuances	16,120	10,142	34,421	15,507
Transfers	(16,041)	(8,586)	(40,439)	(13,142)
Fair value changes recognized in earnings	1,332	1,310	89	1,789
Balance, end of period	$ 6,413	$ 5,091	$ 6,413	$ 5,091

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- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- Definition

Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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- Definition

Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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- Definition

Derivative Asset, Rollforward

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