The total fair value of equity-based awards granted during the period.

No definition available.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- 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.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Stockholders' Equity and Non-Controlling Interests - Equity Incentive Plans (Details) - USD ($) $ in Thousands	1 Months Ended				3 Months Ended
	Nov. 30, 2020	Sep. 30, 2019	Apr. 30, 2018	Mar. 31, 2017	Mar. 31, 2021	May 31, 2017
Equity Incentive Plans
Granted (in shares)					1,518,072
Starwood Property Trust, Inc. Equity Plan and Manager Equity Plan
Equity Incentive Plans
Number of shares of authorized for issuance						11,000,000
Number of shares available for future grants					3,200,000
Starwood Property Trust, Inc. Equity Plan
Equity Incentive Plans
Granted (in shares)					1,518,072
Starwood Property Trust, Inc. Manager Equity Plan \| Restricted stock units
Equity Incentive Plans
Granted (in shares)	1,800,000	1,200,000	775,000	1,000,000
Awards granted, fair value	$ 30,078	$ 29,484	$ 16,329	$ 22,240
Award vesting period	3 years		3 years	3 years
Starwood Property Trust, Inc. Manager Equity Plan \| Restricted stock units \| Vested immediately on the grant date
Equity Incentive Plans
Granted (in shares)		218,898
Starwood Property Trust, Inc. Manager Equity Plan \| Restricted stock units \| Remaining vesting
Equity Incentive Plans
Award vesting period					3 years