Equity Incentive Plan Granite Point Mortgage Trust Inc. Equity Incentive Plan (Details) - Granite Point Mortgage Trust Inc. 2017 Equity Incentive Plan [Member] - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended |
|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2017 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Compensation costs related to restricted common stock | $ 687 | $ 687 |
| Director [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Number of restricted common shares granted during period under equity incentive plan (in shares) | 14,103 | |
| Key Employees [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Number of restricted common shares granted during period under equity incentive plan (in shares) | 150,000 |
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. No definition available.
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