Basis of Presentation and Significant Accounting Policies Consolidation and Basis of Presentation (Details) |
Nov. 01, 2017
shares
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| Basis of Presentation and Significant Accounting Policies [Abstract] | |
| Reverse stock split, conversion ratio | 0.50 |
| Number of shares of common stock of Granite Point Mortgage Trust Inc distributed via special dividend (in shares) | 33,100,000 |
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- Definition Basis of Presentation and Significant Accounting Policies [Abstract] No definition available.
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- Definition Special dividend distributed to shareholders during the period. No definition available.
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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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