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Derivative Financial Instruments, Agency Business (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) item | Dec. 31, 2020 USD ($) item | Dec. 31, 2019 USD ($)
Derivative Financial Instruments |  |  |
Net (losses) gains from changes in the fair value of derivatives | $ 800 | $ 3,400 | $ (7,800)
(Loss) gain on derivative instruments | (2,684) | (58,335) | (1,962)
Realized gain (loss) on derivatives | 100 |  |
Unrealized gain (loss) on derivatives | 1,500 |  |
Notional Value, classified in Other Assets | 280,654 | 865,975 |
Other Income |  |  |
Derivative Financial Instruments |  |  |
(Loss) gain on derivative instruments | 130,200 | 165,500 | $ 90,800
Rate lock commitments |  |  |
Derivative Financial Instruments |  |  |
Notional value | 11,250 |  |
Forward Sale Commitments |  |  |
Derivative Financial Instruments |  |  |
Notional value | $ 571,220 |  |
Interest Rate Swaps |  |  |
Derivative Financial Instruments |  |  |
Derivative, maturity term | 3 months |  |
Derivative swap default credit. | 5 years |  |
Interest Rate Swaps | Minimum |  |  |
Derivative Financial Instruments |  |  |
Derivative Swap Rate Period | 5 years |  |
Interest Rate Swaps | Maximum |  |  |
Derivative Financial Instruments |  |  |
Derivative Swap Rate Period | 10 years |  |
Interest Rate Swaps | Agency Business | Other Income |  |  |
Derivative Financial Instruments |  |  |
Realized gain (loss) on derivatives | $ (57,100) | 4,600 |
Unrealized gain (loss) on derivatives | (1,700) | 1,500 |
Interest Rate Swaps | Structured Business | Other Income |  |  |
Derivative Financial Instruments |  |  |
Realized gain (loss) on derivatives | (3,000) | (400) |
Unrealized gain (loss) on derivatives | 200 | 200 |
Non-Qualifying | Agency Business |  |  |
Derivative Financial Instruments |  |  |
Fair Value, classified in Other Assets | 1,665 | 3,892 |
Fair Value, classified in Other Liabilities | (1,482) | (1,221) |
Notional Value, classified in Other Assets | $ 970,670 | $ 1,230,417 |
Non-Qualifying | Rate lock commitments | Agency Business |  |  |
Derivative Financial Instruments |  |  |
Count | item | 2 | 7 |
Fair Value, classified in Other Assets | $ 295 | $ 1,967 |
Fair Value, classified in Other Liabilities | (33) | (231) |
Notional Value, classified in Other Assets | $ 11,250 | $ 136,354 |
Non-Qualifying | Forward Sale Commitments | Agency Business |  |  |
Derivative Financial Instruments |  |  |
Count | item | 55 | 114 |
Fair Value, classified in Other Assets | $ 1,370 | $ 1,925 |
Fair Value, classified in Other Liabilities | (1,449) | (990) |
Notional Value, classified in Other Assets | $ 571,220 | $ 1,048,763 |
Non-Qualifying | Interest Rate Swaps | Agency Business |  |  |
Derivative Financial Instruments |  |  |
Count | item | 3,882 | 453 |
Notional Value, classified in Other Assets | $ 388,200 | $ 45,300 |

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- Definition Period for derivative swap. + References No definition available. + Details
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- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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- Definition The number of derivative instruments of a particular group held by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 + Details
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- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of unrealized gain (loss) recognized in income for derivative asset (liability) after deduction of derivative liability (asset), measured at fair value using unobservable input (level 3) and still held. + 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 (d) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. + References Reference 1: 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 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: 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 + Details
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