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Basis of Presentation (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Customer deposits | $ 1,027,938 |  | $ 1,027,938 |  | $ 844,785
Contract asset insurance renewals | 49,500 |  | 49,500 |  | 44,300
Residential mortgage loans available-for-sale fair value | 553,789 |  | 553,789 |  | 947,139
Residential mortgage loans available-for-sale aggregate outstanding principal balance | 553,900 |  | 553,900 |  | 924,500
Net gains from the sale of mortgages | 45,100 | $ 56,700 | $ 97,500 | $ 134,200 |
Variability in future cash flows of derivative instruments in days |  |  | 60 days |  |
Assets In-Scope Under Accounting Standards Codification 326 | 199,900 |  | $ 199,900 |  | 208,400
Interest rate lock commitments |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Derivative, notional amount | 1,500,000 |  | 1,500,000 |  | 337,900
Forward contracts |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Derivative, notional amount | 1,700,000 |  | 1,700,000 |  | 903,000
Whole loan commitments |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Derivative, notional amount | $ 316,200 |  | $ 316,200 |  | $ 310,000

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044 + Details
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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=123605502&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=123605502&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=123570139&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=123605549&loc=d3e21493-158490 + Details
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