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v3.21.1

Basis of Presentation (Narrative) (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jan. 31, 2021 | Jan. 31, 2020 | Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020 | Jan. 01, 2020 | Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents |  |  |  | $ 1,644,054 | $ 1,851,253 | $ 2,632,235 |  | $ 1,251,456
Payments for business acquisitions |  |  |  | 10,400 | 83,200 |  |  |
Goodwill impairment |  |  |  | 0 | (20,190) |  |  |
Customer deposits |  |  |  | 589,634 |  | 449,474 |  |
Contract asset insurance renewals |  |  |  | 39,400 |  | 38,500 |  |
Residential mortgage loans available-for-sale fair value |  |  |  | 495,049 |  | 564,979 |  |
Residential mortgage loans available-for-sale aggregate outstanding principal balance |  |  |  | 481,500 |  | 539,100 |  |
Net gains from the sale of mortgages |  |  |  | $ 77,400 | 30,900 |  |  |
Variability in future cash flows of derivative instruments in days |  |  |  | 60 days |  |  |  |
Assets In-Scope Under Accounting Standards Codification 326 |  |  |  | $ 186,400 |  | 176,200 |  |
Interest rate lock commitments |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  | 598,000 |  | 367,200 |  |
Forward contracts |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  | 887,000 |  | 686,400 |  |
Whole loan commitments |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  | $ 160,500 |  | $ 169,600 |  |
Innovative Construction Group [Member] |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |
Consideration for business acquisition |  | $ 104,000 |  |  |  |  |  |
Payments for business acquisitions | $ (10,400) | 83,200 |  |  |  |  |  |
Goodwill |  | 48,700 |  |  |  |  |  |
Goodwill impairment |  |  |  |  | $ (20,190) |  |  |
Innovative Construction Group [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |
Intangible asset acquired |  | 27,800 |  |  |  |  |  |
Intangible asset, amortization period |  |  |  | 7 years |  |  |  |
Innovative Construction Group [Member] | Trade Name |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |
Intangible asset acquired |  | $ 1,800 |  |  |  |  |  |
Intangible asset, amortization period |  |  |  | 5 years |  |  |  |
Forecast | Innovative Construction Group [Member] |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |
Payments for business acquisitions |  |  | $ 10,400 |  |  |  |  |
Revision of Prior Period, Accounting Standards Update, Adjustment [Member] | Retained Earnings |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption (Deprecated 2020-01-31) |  |  |  |  |  |  | $ (700) |

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- Definition The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121581245&loc=d3e21310-158488 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121581245&loc=d3e21286-158488 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=117337389&loc=d3e21493-158490 + Details
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