Schedule of Related Party Transactions, by Related Party (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Related Party Transaction [Line Items] | |||
| Management fees | $ 40,472 | $ 39,261 | $ 49,116 |
| Percent per annum of equity used to calculate management fees | 1.50% | ||
| Equity securities, at fair value | $ 29,413 | 0 | |
| PRCM Advisers LLC [Member] | |||
| Related Party Transaction [Line Items] | |||
| Management fees | $ 40,472 | 39,262 | 49,117 |
| Percent per annum of equity used to calculate management fees | 1.50% | ||
| Direct and allocated costs incurred by manager | $ 18,983 | 18,597 | 16,746 |
| Compensation costs related to restricted common stock | $ 11,328 | $ 15,198 | $ 9,002 |
| Granite Point Mortgage Trust Inc. [Member] | |||
| Related Party Transaction [Line Items] | |||
| Purchases of equity securities of related party (in shares) | 1,658,008 | ||
| Purchases of equity securities of related party | $ 30,049 | ||
| Equity securities, at fair value | 29,413 | ||
| Equity securities, unrealized gain (loss) | $ (641) | ||
| X | ||||||||||
- Definition Percent per annum of stockholders' equity used to calculate the management fee due to PRCM Advisers. No definition available.
|
| X | ||||||||||
- Definition Purchases during the period of related party's equity securities. No definition available.
|
| X | ||||||||||
- Definition The net amount of gross unrealized gains (losses) for trading securities, at a point in time. No definition available.
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition The aggregate costs related to asset management during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Costs of sales and operating expenses for the period incurred from transactions with related parties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| 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. No definition available.
|
| X | ||||||||||
- Definition Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. No definition available.
|
| X | ||||||||||
- Definition Fair value of investments in trading equity securities and other forms of trading securities that provide ownership interests. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|