XML 139 R125.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Long-Term Debt - Schedule of Accrued Interest Payable on Long Term Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2019 | Jun. 30, 2018 | Aug. 31, 2017
--- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |
Accrued interest payable | $ 39,297 | $ 34,858 |  |  |
Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Accrued interest payable | 815 | 1,799 |  |  |
Convertible notes | Senior Notes Due 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Accrued interest payable | $ 3,564 | $ 3,564 |  |  |
Debt instrument, interest rate (as a percent) | 4.75% | 4.75% |  |  | 4.75%
Convertible notes | Senior Notes Due 2024 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Accrued interest payable | $ 3,896 | $ 3,896 |  |  |
Debt instrument, interest rate (as a percent) | 5.625% | 5.625% | 5.625% | 5.625% |
Convertible notes | Exchangeable Senior Notes Due 2025 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Accrued interest payable | $ 2,474 | $ 2,474 |  |  |
Debt instrument, interest rate (as a percent) | 5.75% | 5.75% | 5.75% |  |
Subordinated Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Accrued interest payable | $ 581 | $ 669 |  |  |
Long-term Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Accrued interest payable | $ 11,330 | $ 12,402 |  |  |

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of interest payable on debt, including, but not limited to, trade payables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
Name: | us-gaap_InterestPayableCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=rwt_SeniorNotesDue2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=rwt_SeniorNotesDue2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=rwt_ExchangeableSeniorNotesDue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SubordinatedDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LongTermDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |