Fair Value of Financial Assets and Liabilities - Changes in Level 3 Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2022	Dec. 31, 2021
Assets, Unobservable Input Reconciliation:
Opening Balance	$ 8,501	$ 41,488
Total realized and unrealized gains (losses) included in Net income	19,360	(4,321)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases	0
Issuances		0
Settlements	(8,501)	(28,666)
Closing Balance	19,360	8,501
Unrealized gains (losses) outstanding	19,360	8,501
Liabilities, Unobservable Input Reconciliation:
Opening Balance	17,354	49,429
Total realized and unrealized gains (losses) included in Net income	15,774	3,665
Additions	12,195
Issuances		0
Settlements	(10,017)	(35,740)
Closing Balance	35,306	17,354
Unrealized gains (losses) outstanding	35,306	17,354
Rate lock commitments
Assets, Unobservable Input Reconciliation:
Opening Balance	3,957	21,034
Total realized and unrealized gains (losses) included in Net income	3,717	3,957
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases	0
Issuances		0
Settlements	(3,957)	(21,034)
Closing Balance	3,717	3,957
Unrealized gains (losses) outstanding	3,717	3,957
Liabilities, Unobservable Input Reconciliation:
Opening Balance	2,836	2,977
Total realized and unrealized gains (losses) included in Net income	9,108	2,836
Additions	0
Issuances		0
Settlements	(2,836)	(2,977)
Closing Balance	9,108	2,836
Unrealized gains (losses) outstanding	9,108	2,836
Forward sale contracts
Assets, Unobservable Input Reconciliation:
Opening Balance	4,544	7,632
Total realized and unrealized gains (losses) included in Net income	15,643	4,544
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases	0
Issuances		0
Settlements	(4,544)	(7,632)
Closing Balance	15,643	4,544
Unrealized gains (losses) outstanding	15,643	4,544
Liabilities, Unobservable Input Reconciliation:
Opening Balance	2,180	14,971
Total realized and unrealized gains (losses) included in Net income	6,119	2,180
Additions	0
Issuances		0
Settlements	(2,180)	(14,971)
Closing Balance	6,119	2,180
Unrealized gains (losses) outstanding	6,119	2,180
Nasdaq Forwards
Assets, Unobservable Input Reconciliation:
Opening Balance	0	12,822
Total realized and unrealized gains (losses) included in Net income		(12,822)
Issuances		0
Settlements		0
Closing Balance		0
Unrealized gains (losses) outstanding		0
Contingent consideration
Liabilities, Unobservable Input Reconciliation:
Opening Balance	12,338	31,481
Total realized and unrealized gains (losses) included in Net income	547	(1,351)
Additions	12,195
Issuances		0
Settlements	(5,001)	(17,792)
Closing Balance	20,079	12,338
Unrealized gains (losses) outstanding	$ 20,079	$ 12,338

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held.

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

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-Name Accounting Standards Codification
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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.

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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.

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

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