Related-Party Transactions - Details of Amounts Due to Related Parties on Our Accompanying Condensed Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Related Party Transactions [Abstract] | ||
| Base management fee | $ 1,130 | $ 881 |
| Incentive fee | 883 | 847 |
| Other, net | 18 | 25 |
| Total due to Adviser | 2,031 | 1,753 |
| Administration fee | 363 | 341 |
| Cumulative accrued but unpaid portions of prior Administration Fees | 75 | 75 |
| Total due to Administrator | 438 | 416 |
| Total due to Gladstone Securities | 15 | 0 |
| Total due to related parties | $ 2,484 | $ 2,169 |
| X | ||||||||||
- Definition Administrative fee due to administrator. No definition available.
|
| X | ||||||||||
- Definition Cumulative Accrued but Unpaid, Prior to Administrative Fee Due To Administrator No definition available.
|
| X | ||||||||||
- Definition Due to from adviser. No definition available.
|
| X | ||||||||||
- Definition Due to Related Parties, Miscellaneous Costs No definition available.
|
| X | ||||||||||
- Definition Fee due to administrator. No definition available.
|
| X | ||||||||||
- Definition Incentive Fee due to Advisor No definition available.
|
| X | ||||||||||
- Definition Management fee due to advisor. No definition available.
|
| X | ||||||||||
- Definition Other due to advisor. No definition available.
|
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of obligations due all related parties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|