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Debt Obligations, Debt Covenants (Details) - USD ($) | 1 Months Ended |
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Oct. 31, 2017 | Jul. 31, 2017 | Apr. 30, 2017 | Jan. 31, 2017 | Oct. 31, 2016 | Sep. 30, 2017
CLO V |  |  |  |  |  |
Debt Covenants |  |  |  |  |  |
Current overcollateralization ratio for cash flow triggers (as a percent) | 130.72% | 130.72% | 130.72% | 130.72% | 130.72% |
Limit overcollateralization ratio for cash flow triggers (as a percent) | 129.72% |  |  |  |  |
Current interest coverage ratio for cash flow triggers (as a percent) | 211.97% |  |  |  |  |
Limit interest coverage ratio for cash flow triggers (as a percent) | 120.00% |  |  |  |  |
CLO VI |  |  |  |  |  |
Debt Covenants |  |  |  |  |  |
Current overcollateralization ratio for cash flow triggers (as a percent) | 129.87% | 129.87% | 129.87% | 129.87% | 129.87% |
Limit overcollateralization ratio for cash flow triggers (as a percent) | 128.87% |  |  |  |  |
Current interest coverage ratio for cash flow triggers (as a percent) | 240.15% |  |  |  |  |
Limit interest coverage ratio for cash flow triggers (as a percent) | 120.00% |  |  |  |  |
CLO VII |  |  |  |  |  |
Debt Covenants |  |  |  |  |  |
Current overcollateralization ratio for cash flow triggers (as a percent) | 129.03% | 129.03% |  |  |  |
Limit overcollateralization ratio for cash flow triggers (as a percent) | 128.03% |  |  |  |  |
Current interest coverage ratio for cash flow triggers (as a percent) | 287.79% |  |  |  |  |
Limit interest coverage ratio for cash flow triggers (as a percent) | 120.00% |  |  |  |  |
CLO VIII |  |  |  |  |  |
Debt Covenants |  |  |  |  |  |
Current overcollateralization ratio for cash flow triggers (as a percent) | 129.03% |  |  |  |  |
Limit overcollateralization ratio for cash flow triggers (as a percent) | 128.03% |  |  |  |  |
Current interest coverage ratio for cash flow triggers (as a percent) | 360.90% |  |  |  |  |
Limit interest coverage ratio for cash flow triggers (as a percent) | 120.00% |  |  |  |  |
Junior subordinated notes |  |  |  |  |  |
Debt Covenants |  |  |  |  |  |
Amount payable on default of senior debt |  |  |  |  |  | $ 0

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- Definition Represents the interest coverage ratio maintained during the period under covenant compliance. Interest coverage ratio is calculated by dividing interest income by interest expense for the classes senior to those retained by the entity. + References No definition available. + Details
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- Definition Represents the overcollateralization ratio maintained during the period under covenant compliance. Overcollateralization ratio is calculated by dividing the total principal balance of all collateral in the CDO by the total principal balance of the bonds associated with the applicable ratio. + References No definition available. + Details
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- Definition Represents the amount payable on default of senior debt under debt instrument. + References No definition available. + Details
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- Definition Represents the interest coverage ratio required to be maintained under covenant compliance. Interest coverage ratio is calculated by dividing interest income by interest expense for the classes senior to those retained by the entity. + References No definition available. + Details
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- Definition Represents the overcollateralization ratio required to be maintained under covenant compliance. Overcollateralization ratio is calculated by dividing the total principal balance of all collateral in the CDO by the total principal balance of the bonds associated with the applicable ratio. + References No definition available. + Details
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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. + Details
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