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Short-Term Debt - Remaining Maturities of Short Term Debt (Details) - USD ($) $ in Thousands		Jun. 30, 2021	Dec. 31, 2020
Short-term Debt [Line Items]
Short-term debt	[1]	$ 1,484,999	$ 522,609
Within 30 days
Short-term Debt [Line Items]
Short-term debt		44,527
31 to 90 days
Short-term Debt [Line Items]
Short-term debt		155,873
Over 90 days
Short-term Debt [Line Items]
Short-term debt		1,284,599
Facilities
Short-term Debt [Line Items]
Short-term debt		1,321,370	314,234
Facilities | Within 30 days
Short-term Debt [Line Items]
Short-term debt		44,527
Facilities | 31 to 90 days
Short-term Debt [Line Items]
Short-term debt		155,873
Facilities | Over 90 days
Short-term Debt [Line Items]
Short-term debt		1,120,970
Facilities | Held-for-sale residential loans
Short-term Debt [Line Items]
Short-term debt		1,049,144	137,269
Facilities | Held-for-sale residential loans | Within 30 days
Short-term Debt [Line Items]
Short-term debt		0
Facilities | Held-for-sale residential loans | 31 to 90 days
Short-term Debt [Line Items]
Short-term debt		119,462
Facilities | Held-for-sale residential loans | Over 90 days
Short-term Debt [Line Items]
Short-term debt		929,682
Facilities | Business purpose loans
Short-term Debt [Line Items]
Short-term debt		191,288
Facilities | Business purpose loans | Within 30 days
Short-term Debt [Line Items]
Short-term debt		0
Facilities | Business purpose loans | 31 to 90 days
Short-term Debt [Line Items]
Short-term debt		0
Facilities | Business purpose loans | Over 90 days
Short-term Debt [Line Items]
Short-term debt		191,288
Facilities | Real estate securities
Short-term Debt [Line Items]
Short-term debt		80,938
Facilities | Real estate securities | Within 30 days
Short-term Debt [Line Items]
Short-term debt		44,527
Facilities | Real estate securities | 31 to 90 days
Short-term Debt [Line Items]
Short-term debt		36,411
Facilities | Real estate securities | Over 90 days
Short-term Debt [Line Items]
Short-term debt		0
Servicer advance financing
Short-term Debt [Line Items]
Short-term debt		163,629	$ 208,375
Servicer advance financing | Within 30 days
Short-term Debt [Line Items]
Short-term debt		0
Servicer advance financing | 31 to 90 days
Short-term Debt [Line Items]
Short-term debt		0
Servicer advance financing | Over 90 days
Short-term Debt [Line Items]
Short-term debt		$ 163,629
[1] Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At June 30, 2021 and December 31, 2020, assets of consolidated VIEs totaled $8,616,435 and $8,141,069, respectively. At June 30, 2021 and December 31, 2020, liabilities of consolidated VIEs totaled $7,562,367 and $7,148,414, respectively. See Note 4 for further discussion.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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