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N-2 - USD ($) |  | 6 Months Ended | 12 Months Ended |  |
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Jul. 31, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Oct. 06, 2014
Cover [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entity Central Index Key |  |  | 0001604174 |  |  |  |  |  |  |  |  |  |  |  |
Amendment Flag |  |  | false |  |  |  |  |  |  |  |  |  |  |  |
Document Type |  |  | N-CSRS |  |  |  |  |  |  |  |  |  |  |  |
Entity Registrant Name |  |  | Eagle Point Credit Company Inc. |  |  |  |  |  |  |  |  |  |  |  |
Document Period End Date |  |  | Jun. 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Financial Highlights [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Securities [Table Text Block] |  |  |
Class | ​ | ​ | Total Amount Outstanding Exclusive of Treasury Securities | ​ | ​ | Asset Coverage Per Unit(1) | ​ | ​ | Involuntary Liquidating Preference Per Unit(2) | ​ | ​ | Average Market Value Per Unit(3) | ​
For the six months ended June 30, 2025 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 330,474,416 | ​ | ​ | ​ | ​ | $ | 60.81 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 22.56 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 285,523,800 | ​ | ​ | ​ | ​ | $ | 5,247.58 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 23.97 | ​ | ​
For the year ended December 31, 2024 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 264,232,758 | ​ | ​ | ​ | ​ | $ | 65.74 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 22.51 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 285,523,800 | ​ | ​ | ​ | ​ | $ | 5,062.81 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 23.50 | ​ | ​
For the year ended December 31, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 83,223,700 | ​ | ​ | ​ | ​ | $ | 92.65 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 21.04 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 170,523,800 | ​ | ​ | ​ | ​ | $ | 5,514.93 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 22.51 | ​ | ​
For the year ended December 31, 2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 81,587,250 | ​ | ​ | ​ | ​ | $ | 71.47 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 23.25 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 170,523,800 | ​ | ​ | ​ | ​ | $ | 4,226.70 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 23.67 | ​ | ​
For the year ended December 31, 2021 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 98,130,500 | ​ | ​ | ​ | ​ | $ | 78.16 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 25.48 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 138,584,775 | ​ | ​ | ​ | ​ | $ | 5,339.86 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 25.58 | ​ | ​
For the year ended December 31, 2020 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 47,862,425 | ​ | ​ | ​ | ​ | $ | 88.39 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 24.25 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 93,734,775 | ​ | ​ | ​ | ​ | $ | 5,340.98 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 23.93 | ​ | ​
For the year ended December 31, 2019 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 69,843,150 | ​ | ​ | ​ | ​ | $ | 69.71 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 26.04 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 98,902,675 | ​ | ​ | ​ | ​ | $ | 4,757.42 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 25.47 | ​ | ​
For the year ended December 31, 2018 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 92,568,150 | ​ | ​ | ​ | ​ | $ | 61.55 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 25.78 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 98,902,675 | ​ | ​ | ​ | ​ | $ | 4,766.23 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 25.08 | ​ | ​
For the year ended December 31, 2017 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 92,139,600 | ​ | ​ | ​ | ​ | $ | 66.97 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 25.75 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 91,623,750 | ​ | ​ | ​ | ​ | $ | 5,372.28 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 25.96 | ​ | ​
For the year ended December 31, 2016 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 91,450,000 | ​ | ​ | ​ | ​ | $ | 71.53 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 25.41 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 59,998,750 | ​ | ​ | ​ | ​ | $ | 7,221.89 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 25.29 | ​ | ​
For the year ended December 31, 2015 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 45,450,000 | ​ | ​ | ​ | ​ | $ | 91.16 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 25.43 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 25,000,000 | ​ | ​ | ​ | ​ | $ | 10,275.46 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 24.52 | ​ | ​
​ (1) The asset coverage per unit figure is the ratio of the Company’s total consolidated assets, less all liabilities and indebtedness not represented by senior securities, to the aggregate dollar amount of outstanding applicable senior securities, as calculated separately for each of the Preferred Stock and the Unsecured Notes in accordance with section 18(h) of the 1940 Act. With respect to the Preferred Stock, the asset coverage per unit figure is expressed in terms of dollar amounts per share of outstanding preferred stock (based on a per share liquidation preference of $25.) With respect to the Unsecured Notes, the asset coverage per unit figure is expressed in terms of dollar amounts per $1,000 principal amount of such notes. (2) The involuntary liquidating preference per unit is the amount to which a share of Preferred Stock would be entitled in preference to any security junior to it upon our involuntary liquidation. ​ (3) The average market value per unit is calculated by taking the average of the closing price (or $25 principal value for unlisted securities) for each of (a) a share of the Preferred Stock (NYSE: ECCA, ECCB, ECCC, ECCF, ECC PRD; Unlisted: ECC AA, ECC AB) and (b) for each $25 principal amount of the Unsecured Notes (NYSE: ECCU, ECCV, ECCW, ECCX, ECCY, ECCZ) for each day during the years for which each applicable security was outstanding. A $25 market value was assumed for unlisted securities. |  |  |  |  |  |  |  |  |  |  |  |
Senior Securities, Note [Text Block] |  |  | Senior Securities Table Information about the Company’s senior securities shown in the following table has been derived from the Company’s consolidated financial statements as of and for the dates noted.
Class | ​ | ​ | Total Amount Outstanding Exclusive of Treasury Securities | ​ | ​ | Asset Coverage Per Unit(1) | ​ | ​ | Involuntary Liquidating Preference Per Unit(2) | ​ | ​ | Average Market Value Per Unit(3) | ​
For the six months ended June 30, 2025 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 330,474,416 | ​ | ​ | ​ | ​ | $ | 60.81 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 22.56 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 285,523,800 | ​ | ​ | ​ | ​ | $ | 5,247.58 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 23.97 | ​ | ​
For the year ended December 31, 2024 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 264,232,758 | ​ | ​ | ​ | ​ | $ | 65.74 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 22.51 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 285,523,800 | ​ | ​ | ​ | ​ | $ | 5,062.81 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 23.50 | ​ | ​
For the year ended December 31, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 83,223,700 | ​ | ​ | ​ | ​ | $ | 92.65 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 21.04 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 170,523,800 | ​ | ​ | ​ | ​ | $ | 5,514.93 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 22.51 | ​ | ​
For the year ended December 31, 2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 81,587,250 | ​ | ​ | ​ | ​ | $ | 71.47 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 23.25 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 170,523,800 | ​ | ​ | ​ | ​ | $ | 4,226.70 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 23.67 | ​ | ​
For the year ended December 31, 2021 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 98,130,500 | ​ | ​ | ​ | ​ | $ | 78.16 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 25.48 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 138,584,775 | ​ | ​ | ​ | ​ | $ | 5,339.86 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 25.58 | ​ | ​
For the year ended December 31, 2020 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 47,862,425 | ​ | ​ | ​ | ​ | $ | 88.39 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 24.25 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 93,734,775 | ​ | ​ | ​ | ​ | $ | 5,340.98 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 23.93 | ​ | ​
For the year ended December 31, 2019 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 69,843,150 | ​ | ​ | ​ | ​ | $ | 69.71 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 26.04 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 98,902,675 | ​ | ​ | ​ | ​ | $ | 4,757.42 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 25.47 | ​ | ​
For the year ended December 31, 2018 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 92,568,150 | ​ | ​ | ​ | ​ | $ | 61.55 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 25.78 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 98,902,675 | ​ | ​ | ​ | ​ | $ | 4,766.23 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 25.08 | ​ | ​
For the year ended December 31, 2017 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 92,139,600 | ​ | ​ | ​ | ​ | $ | 66.97 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 25.75 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 91,623,750 | ​ | ​ | ​ | ​ | $ | 5,372.28 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 25.96 | ​ | ​
For the year ended December 31, 2016 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 91,450,000 | ​ | ​ | ​ | ​ | $ | 71.53 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 25.41 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 59,998,750 | ​ | ​ | ​ | ​ | $ | 7,221.89 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 25.29 | ​ | ​
For the year ended December 31, 2015 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Preferred Stock | ​ | ​ | ​ | $ | 45,450,000 | ​ | ​ | ​ | ​ | $ | 91.16 | ​ | ​ | ​ | ​ | $ | 25 | ​ | ​ | ​ | ​ | $ | 25.43 | ​ | ​
Unsecured Notes | ​ | ​ | ​ | $ | 25,000,000 | ​ | ​ | ​ | ​ | $ | 10,275.46 | ​ | ​ | ​ | N/A | ​ | ​ | ​ | $ | 24.52 | ​ | ​
​ (1) The asset coverage per unit figure is the ratio of the Company’s total consolidated assets, less all liabilities and indebtedness not represented by senior securities, to the aggregate dollar amount of outstanding applicable senior securities, as calculated separately for each of the Preferred Stock and the Unsecured Notes in accordance with section 18(h) of the 1940 Act. With respect to the Preferred Stock, the asset coverage per unit figure is expressed in terms of dollar amounts per share of outstanding preferred stock (based on a per share liquidation preference of $25.) With respect to the Unsecured Notes, the asset coverage per unit figure is expressed in terms of dollar amounts per $1,000 principal amount of such notes. (2) The involuntary liquidating preference per unit is the amount to which a share of Preferred Stock would be entitled in preference to any security junior to it upon our involuntary liquidation. ​ (3) The average market value per unit is calculated by taking the average of the closing price (or $25 principal value for unlisted securities) for each of (a) a share of the Preferred Stock (NYSE: ECCA, ECCB, ECCC, ECCF, ECC PRD; Unlisted: ECC AA, ECC AB) and (b) for each $25 principal amount of the Unsecured Notes (NYSE: ECCU, ECCV, ECCW, ECCX, ECCY, ECCZ) for each day during the years for which each applicable security was outstanding. A $25 market value was assumed for unlisted securities. |  |  |  |  |  |  |  |  |  |  |  |
Senior Securities Headings, Note [Text Block] |  |  | Senior Securities Table |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Objectives and Practices [Text Block] |  |  | Eagle Point Credit Company Inc. (the “Company”) is an externally managed, non-diversified closed-end management investment company registered under the Investment Company Act of 1940, as amended (the “1940 Act”). The Company’s primary investment objective is to generate high current income, with a secondary objective to generate capital appreciation. The Company seeks to achieve its investment objectives by investing primarily in equity and junior debt tranches of collateralized loan obligations (“CLOs”) that are collateralized by a portfolio consisting primarily of below investment grade U.S. senior secured loans with a large number of distinct underlying borrowers across various industry sectors. The Company may also invest in other related securities and instruments or other securities and instruments that Eagle Point Credit Management LLC (the “Adviser”) believes are consistent with the Company’s investment objectives, including senior debt tranches of CLOs, loan accumulation facilities (“LAFs”) and securities and instruments of corporate issuers. From time to time, in connection with the acquisition of CLO equity, the Company may receive fee rebates from the CLO issuer. The CLO securities in which the Company primarily seeks to invest are unrated or rated below investment grade and are considered speculative with respect to timely payment of interest and repayment of principal. |  |  |  |  |  |  |  |  |  |  |  |
Risk Factors [Table Text Block] |  |  | Investment Risk Factors The following list is not intended to be a comprehensive list of the potential risks associated with the Company. The Company’s prospectus provides a detailed discussion of the Company’s risks and considerations. The risks described in the prospectus are not the only risks the Company faces. Additional risks and uncertainties not currently known to the Company or that are currently deemed to be immaterial also may materially and adversely affect its business, financial condition and/or operating results. Risks of Investing in CLOs and Other Structured Debt Securities CLOs and similar structured finance securities in which the Company invests are backed by a pool of credit-related assets that serve as collateral. Accordingly, such securities present risks similar to those of other types of credit investments, including default (credit), interest rate and prepayment risks. Adverse credit events impacting a CLO’s or structured finance security’s underlying collateral would be expected to reduce cash flows payable to the Company as investor in the equity tranche. In addition, there is a risk that majority lenders to an underlying loan or other debt instrument held by a CLO or structured finance security could amend or otherwise modify the loan or debt instrument to the detriment of the CLO or structured finance security (including, for example, by transferring collateral or otherwise reducing the priority of the CLO’s or structured finance security’s investment within the borrower’s capital structure). Such actions would impair the value of the CLO’s or structured finance security’s investment and, ultimately, the Company. In addition, CLOs and structured finance securities present risks related to the capability of the servicer of the securitized assets. CLOs and other structured finance securities are often governed by a complex series of legal documents and contracts, which increases the risk of dispute over the interpretation and enforceability of such documents relative to other types of investments. There is also a risk that the trustee or other servicer does not properly carry out its duties to the CLO or structured finance security, potentially resulting in loss. CLOs and certain structured finance securities are also inherently leveraged vehicles and therefore subject to leverage risk. The Company may also invest in structured securities that are collateralized by other types of assets. For example, the Company may invest in collateralized fund obligations (“CFOs”) or rated feeders, which typically consist of tranches of notes and/or equity issued by a special purpose vehicle that holds limited partnership interests in one or more private funds. Investments in CFOs and rated feeders are generally subject to the risks applicable to the underlying fund collateral, including uncertainty as to the amount and timing of underlying fund distributions, transfer restrictions and general illiquidity of underlying fund investments, dependence of the performance of the underlying funds’ general partner and key personnel, leverage risks, and general market and economic factors. Subordinated Securities Risk CLO equity and junior debt securities that the Company may acquire are subordinate to more senior tranches of CLO debt. CLO equity and junior debt securities are subject to increased risks of default relative to the holders of superior priority interests in the same CLO. In addition, at the time of issuance, CLO equity securities are under-collateralized in that the face amount of the debt and equity of a CLO at inception exceeds the CLO’s total assets. The Company will typically be in a subordinated or first loss position with respect to realized losses on the underlying assets held by the CLOs in which the Company is invested. High Yield Investment Risk The CLO equity and junior debt securities that the Company acquires are typically rated below investment grade or, in the case of CLO equity securities, unrated and are therefore considered “higher yield” or “junk” securities and are considered speculative with respect to timely payment of interest and repayment of principal. The senior secured loans and other credit-related assets underlying CLOs are also typically higher yield investments. Investing in CLO equity and junior debt securities and other high yield investments involves greater credit and liquidity risk than investment grade obligations, which may adversely impact the Company’s performance. Leverage Risk The use of leverage, whether directly or indirectly through investments such as CLO equity or junior debt securities that inherently involve leverage, may magnify the Company’s risk of loss. CLO equity or junior debt securities are very highly leveraged (with CLO equity securities typically being leveraged ten times), and therefore the CLO securities in which the Company invests are subject to a high degree of risk of loss. Credit Risk If (1) a CLO in which the Company invests, (2) an underlying asset of any such CLO or (3) any other type of credit investment in the Company’s portfolio declines in price or fails to pay interest or principal when due because the issuer or debtor, as the case may be, experiences a decline in its financial status, the Company’s income, NAV and/or market price would be adversely impacted. Additionally, interest on a CLO may be paid in kind or deferred and capitalized (paid in the form of obligations of the same type rather than cash), which involves continued exposure to default risk with respect to such payments. Key Personnel Risk The Adviser manages our investments. Consequently, the Company’s success depends, in large part, upon the services of the Adviser and the skill and expertise of the Adviser’s professional personnel. There can be no assurance that the professional personnel of the Adviser will continue to serve in their current positions or continue to be employed by the Adviser. We can offer no assurance that their services will be available for any length of time or that the Adviser will continue indefinitely as the Company’s investment adviser. Conflicts of Interest Risk The Company’s executive officers and directors, and the Adviser and certain of its affiliates and their officers and employees, including the members of the Investment Committee, have several conflicts of interest as a result of the other activities in which they engage. For example, the members of the Adviser’s investment team are and may in the future become affiliated with entities engaged in business activities similar to ours and may have conflicts of interest in allocating their time. Moreover, each member of the Adviser’s Investment Committee is engaged in other business activities which divert their time and attention. As a result of these separate business activities, the Adviser has conflicts of interest in allocating management time, services and functions among us, other advisory clients and other business ventures. Prepayment Risk The assets underlying the CLO securities in which the Company invests are subject to prepayment by the underlying corporate borrowers. As such, the CLO securities and related investments in which the Company invests are subject to prepayment risk. If the Company or a CLO collateral manager are unable to reinvest prepaid amounts in a new investment with an expected rate of return at least equal to that of the investment repaid, the Company’s investment performance will be adversely impacted. Liquidity Risk Generally, there is no public market for the CLO investments in which the Company invests. As such, the Company may not be able to sell such investments quickly, or at all. If the Company is able to sell such investments, the prices the Company receives may not reflect the Adviser’s assessment of their fair value or the amount paid for such investments by the Company. Incentive Fee Risk The Company’s incentive fee structure and the formula for calculating the fee payable to the Adviser may incentivize the Adviser to pursue speculative investments and use leverage in a manner that adversely impacts the Company’s performance. Fair Valuation of the Company’s Portfolio Investments Generally, there is no public market for the CLO investments and certain other credit assets in which the Company may invest. The Adviser values these securities at least quarterly, or more frequently as may be required from time to time, at fair value. The Adviser’s determinations of the fair value of the Company’s investments have a material impact on the Company’s net earnings through the recording of unrealized appreciation or depreciation of investments and may cause the Company’s NAV on a given date to understate or overstate, possibly materially, the value that the Company ultimately realizes on one or more of the Company’s investments.​ Limited Investment Opportunities Risk The market for CLO securities is more limited than the market for other credit related investments. The Company can offer no assurances that sufficient investment opportunities for the Company’s capital will be available. In recent years there has been a marked increase in the number of, and flow of capital into, investment vehicles established to pursue investments in CLO securities whereas the size of the market is relatively limited. While the Company cannot determine the precise effect of such competition, such increase may result in greater competition for investment opportunities, which may result in an increase in the price of such investments relative to the risk taken on by holders of such investments. Such competition may also result under certain circumstances in increased price volatility or decreased liquidity with respect to certain positions. Non-Diversification Risk The Company is a non-diversified investment company under the 1940 Act and expects to hold a narrower range of investments than a diversified fund under the 1940 Act. Market Risk Political, regulatory, economic and social developments, and developments that impact specific economic sectors, industries or segments of the market, can affect the value of the Company’s investments. A disruption or downturn in the capital markets and the credit markets could impair the Company’s ability to raise capital, reduce the availability of suitable investment opportunities for the Company, or adversely and materially affect the value of the Company’s investments, any of which would negatively affect the Company’s business. These risks may be magnified if certain events or developments adversely interrupt the global supply chain, and could affect companies worldwide. Loan Accumulation Facilities Risk The Company may invest in loan accumulation facilities (“LAFs”), which are short to medium term facilities often provided by the bank that will serve as placement agent or arranger on a CLO transaction and which acquire loans on an interim basis which are expected to form part of the portfolio of a future CLO. Investments in LAFs have risks similar to those applicable to investments in CLOs. Leverage is typically utilized in such a facility and as such the potential risk of loss will be increased for such facilities employing leverage. In the event a planned CLO is not consummated, or the loans are not eligible for purchase by the CLO, the Company may be responsible for either holding or disposing of the loans. This could expose the Company to credit and/or mark-to-market losses, and other risks. Synthetic Investments Risk The Company may invest in synthetic investments, such as significant risk transfer securities and credit risk transfer securities issued by banks or other financial institutions, or acquire interests in lease agreements that have the general characteristics of loans and are treated as loans for withholding tax purposes. In addition to the credit risks associated with the applicable reference assets, the Company will usually have a contractual relationship only with the counterparty of such synthetic investment, and not with the reference obligor of the reference asset. Accordingly, the Company generally will have no right to directly enforce compliance by the reference obligor with the terms of the reference asset nor will it have any rights of setoff against the reference obligor or rights with respect to the reference asset. The Company will not directly benefit from the collateral supporting the reference asset and will not have the benefit of the remedies that would normally be available to a holder of such reference asset. In addition, in the event of the insolvency of the counterparty, the Company may be treated as a general creditor of such counterparty, and will not have any claim with respect to the reference asset. Consequently, the Company will be subject to the credit risk of the counterparty as well as that of the reference obligor. As a result, concentrations of synthetic securities in any one counterparty subjects the Company to an additional degree of risk with respect to defaults by such counterparty as well as by the reference obligor.​ Currency Risk Although the Company primarily makes investments denominated in U.S. dollars, the Company may make investments denominated in other currencies. The Company’s investments denominated in currencies other than U.S. dollars will be subject to the risk that the value of such currency will decrease in relation to the U.S. dollar. The Company may or may not hedge currency risk. Hedging Risk Hedging transactions seeking to reduce risks may result in poorer overall performance than if the Company had not engaged in such hedging transactions. Additionally, such transactions may not fully hedge the Company’s risks. Reinvestment Risk CLOs will typically generate cash from asset repayments and sales that may be reinvested in substitute assets, subject to compliance with applicable investment tests. If the CLO collateral manager causes the CLO to purchase substitute assets at a lower yield than those initially acquired or sale proceeds are maintained temporarily in cash, it would reduce the excess interest-related cash flow, thereby having a negative effect on the fair value of the Company’s assets and the market value of the Company’s securities. In addition, the reinvestment period for a CLO may terminate early, which would cause the holders of the CLO’s securities to receive principal payments earlier than anticipated. There can be no assurance that the Company will be able to reinvest such amounts in an alternative investment that provides a comparable return relative to the credit risk assumed. Interest Rate Risk The price of certain of the Company’s investments may be significantly affected by changes in interest rates, including increases and decreases in interest rates caused by governmental actions and/or other factors. Although senior secured loans are generally floating rate instruments, the Company’s investments in senior secured loans through investments in junior equity and debt tranches of CLOs are sensitive to interest rate levels and volatility. For example, because the senior secured loans constituting the underlying collateral of CLOs typically pay a floating rate of interest, a reduction in interest rates would generally result in a reduction in the residual payments made to the Company as a CLO equity holder (as well as the cash flow the Company receives on the Company’s CLO debt investments and other floating rate investments). Further, there may be some difference between the timing of interest rate resets on the assets and liabilities of a CLO. Such a mismatch in timing could have a negative effect on the amount of funds distributed to CLO equity investors. In addition, CLOs may not be able to enter into hedge agreements, even if it may otherwise be in the best interests of the CLO to hedge such interest rate risk. Furthermore, in the event of a significant rising interest rate environment and/or economic downturn, loan defaults may increase and result in credit losses that may adversely affect the Company’s cash flow, fair value of the Company’s assets and operating results. Because CLOs generally issue debt on a floating rate basis, an increase in the relevant reference rate will increase the financing costs of CLOs. Refinancing Risk If the Company incurs debt financing and subsequently refinances such debt, the replacement debt may be at a higher cost and on less favorable terms and conditions. If the Company fails to extend, refinance or replace such debt financings prior to their maturity on commercially reasonable terms, the Company’s liquidity will be lower than it would have been with the benefit of such financings, which would limit the Company’s ability to grow, and holders of the Company’s common stock would not benefit from the potential for increased returns on equity that incurring leverage creates. Tax Risk If the Company fails to qualify for tax treatment as a RIC under Subchapter M of the Code for any reason, or otherwise becomes subject to corporate income tax, the resulting corporate taxes (and any related penalties) could substantially reduce the Company’s net assets, the amount of income available for distributions to the Company’s stockholders, and the amount of income available for payment of the Company’s other liabilities. Derivatives Risk Derivative instruments in which the Company may invest may be volatile and involve various risks different from, and in certain cases greater than, the risks presented by other instruments. The primary risks related to derivative transactions include counterparty, correlation, liquidity, leverage, volatility, over-the-counter trading, operational and legal risks. In addition, a small investment in derivatives could have a large potential impact on the Company’s performance, effecting a form of investment leverage on the Company’s portfolio. In certain types of derivative transactions, the Company could lose the entire amount of the Company’s investment; in other types of derivative transactions the potential loss is theoretically unlimited. Counterparty Risk The Company may be exposed to counterparty risk, which could make it difficult for the Company or the issuers in which the Company invests to collect on obligations, thereby resulting in potentially significant losses. Price Risk Investors who buy shares at different times will likely pay different prices. Non-U.S. Investing Risk Investing in foreign entities or issuers with underlying non-U.S. assets may expose us to additional risks not typically associated with investing in U.S. entities and issuers. These risks include changes in exchange control regulations, political and social instability, restrictions on the types or amounts of investment, the imposition of sanctions, tariffs, or other governmental restrictions, expropriation, imposition of foreign taxes, less liquid markets and less available information than is generally the case in the U.S., higher transaction costs, less government supervision of exchanges, brokers and issuers, less developed bankruptcy laws, difficulty in enforcing contractual obligations, lack of uniform accounting and auditing standards, currency fluctuations and greater price volatility. Further, we, and the issuers in which we invest, may have difficulty enforcing creditor’s rights in foreign jurisdictions. Global Risk Due to highly interconnected global economies and financial markets, the value of the Company’s securities and its underlying investments may go up or down in response to governmental actions and/or general economic conditions throughout the world. Events such as war, military conflict, acts of terrorism, social unrest, natural disasters, recessions, inflation, rapid interest rate changes, supply chain disruptions, sanctions, the enactment of trade tariffs, the spread of infectious illness or other public health threats could also significantly impact the Company and its investments. Banking Risk The possibility of future bank failures poses risks of reduced financial market liquidity at clearing, cash management and other custodial financial institutions. The failure of banks which hold cash on behalf of the Company, the Company’s underlying obligors, the collateral managers of the CLOs in which the Company invests (or managers of other securitized or pooled vehicles in which the Company invests), or the Company’s service providers could adversely affect the Company’s ability to pursue its investment strategies and objectives. For example, if an underlying obligor has a commercial relationship with a bank that has failed or is otherwise distressed, such obligor may experience delays or other disruptions in meeting its obligations and consummating business transactions. Additionally, if a collateral manager has a commercial relationship with a distressed bank, the manager may experience issues conducting its operations or consummating transactions on behalf of the CLOs it manages, which could negatively affect the performance of such CLOs (and, therefore, the performance of the Company).​ |  |  |  |  |  |  |  |  |  |  |  |
Highest Price or Bid, NAV |  |  | $ 7.31 |  |  |  |  |  |  |  |  |  |  |  |
Share Price |  | $ 6.88 | 7.66 | $ 8.88 | $ 9.5 | $ 10.12 | $ 14 | $ 10.09 | $ 14.61 | $ 14.21 | $ 18.81 | $ 16.71 | $ 16.43 | $ 20.1 | $ 19.93
NAV Per Share |  |  | $ 7.31 | $ 8.38 | $ 9.21 | $ 9.07 | $ 13.39 | $ 11.18 | $ 10.59 | $ 12.4 | $ 16.77 | $ 17.48 | $ 13.72 | $ 19.08 | $ 20
Latest Premium (Discount) to NAV [Percent] |  | 5.90% | 4.80% |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Securities [Table Text Block] |  |  | Other Securities In addition to our common stock, the Company has seven other securities that trade on the NYSE and two other securities that are not traded on an exchange:
​ | Security | ​ | ​ | NYSE Symbol | ​ | ​ | Par Amount Outstanding | ​ | ​ | Rate | ​ | ​ | Payment Frequency | ​ | ​ | Callable | ​ | ​ | Maturity | ​
​ | 6.50% Series C Term Preferred Stock due 2031 | ​ | ​ | ECCC | ​ | ​ | $54.3 million | ​ | ​ | 6.50% | ​ | ​ | Monthly | ​ | ​ | Callable | ​ | ​ | June 2031 | ​
​ | 6.75% Series D Preferred Stock | ​ | ​ | ECC PRD | ​ | ​ | $105.5 million | ​ | ​ | 6.75% | ​ | ​ | Monthly | ​ | ​ | November 2026 | ​ | ​ | Perpetual | ​
​ | 8.00% Series F Term Preferred Stock due 2029 | ​ | ​ | ECCF | ​ | ​ | $62.2 million | ​ | ​ | 8.00% | ​ | ​ | Monthly | ​ | ​ | January 2026 | ​ | ​ | January 2029 | ​
​ | 7.00% Series AA Convertible Perpetual Preferred Stock | ​ | ​ | N/A | ​ | ​ | $101.8 million | ​ | ​ | 7.00% | ​ | ​ | Monthly | ​ | ​ | 2 years from issuance | ​ | ​ | Perpetual | ​
​ | 7.00% Series AB Convertible Perpetual Preferred Stock | ​ | ​ | N/A | ​ | ​ | $6.8 million | ​ | ​ | 7.00% | ​ | ​ | Monthly | ​ | ​ | 2 years from issuance | ​ | ​ | Perpetual | ​
​ | 6.6875% Notes due 2028 | ​ | ​ | ECCX | ​ | ​ | $32.4 million | ​ | ​ | 6.6875% | ​ | ​ | Quarterly | ​ | ​ | Callable | ​ | ​ | April 2028 | ​
​ | 6.75% Notes due 2031 | ​ | ​ | ECCW | ​ | ​ | $44.9 million | ​ | ​ | 6.75% | ​ | ​ | Quarterly | ​ | ​ | Callable | ​ | ​ | March 2031 | ​
​ | 5.375% Notes due 2029 | ​ | ​ | ECCV | ​ | ​ | $93.3 million | ​ | ​ | 5.375% | ​ | ​ | Quarterly | ​ | ​ | Callable | ​ | ​ | January 2029 | ​
​ | 7.75% Notes due 2030 | ​ | ​ | ECCU | ​ | ​ | $115.0 million | ​ | ​ | 7.75% | ​ | ​ | Quarterly | ​ | ​ | June 2027 | ​ | ​ | June 2030 | ​
The weighted average maturity on our outstanding notes and preferred stock as of June 30, 2025 was 5.6 years 4 and the weighted average cost of capital was 6.9%. In addition, all of our financing is fixed rate with the earliest maturity not until April 2028, providing us with certainty in a dynamic rate environment. As of June 30, 2025, we had debt and preferred securities outstanding which totaled 41.1% of our total assets (less current liabilities). Over the long term, management expects the Company to operate under normal market conditions generally with leverage within a range of 27.5% to 37.5% of total assets, although the actual amount of leverage will vary over time. As market conditions evolve, or should significant opportunities present themselves, the Company may incur leverage outside of this range, subject to applicable regulatory and contractual limits. |  |  |  |  |  |  |  |  |  |  |  |
Investing In Collateralized Loan Obligations And Other Structured Debt Securities Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Risks of Investing in CLOs and Other Structured Debt Securities CLOs and similar structured finance securities in which the Company invests are backed by a pool of credit-related assets that serve as collateral. Accordingly, such securities present risks similar to those of other types of credit investments, including default (credit), interest rate and prepayment risks. Adverse credit events impacting a CLO’s or structured finance security’s underlying collateral would be expected to reduce cash flows payable to the Company as investor in the equity tranche. In addition, there is a risk that majority lenders to an underlying loan or other debt instrument held by a CLO or structured finance security could amend or otherwise modify the loan or debt instrument to the detriment of the CLO or structured finance security (including, for example, by transferring collateral or otherwise reducing the priority of the CLO’s or structured finance security’s investment within the borrower’s capital structure). Such actions would impair the value of the CLO’s or structured finance security’s investment and, ultimately, the Company. In addition, CLOs and structured finance securities present risks related to the capability of the servicer of the securitized assets. CLOs and other structured finance securities are often governed by a complex series of legal documents and contracts, which increases the risk of dispute over the interpretation and enforceability of such documents relative to other types of investments. There is also a risk that the trustee or other servicer does not properly carry out its duties to the CLO or structured finance security, potentially resulting in loss. CLOs and certain structured finance securities are also inherently leveraged vehicles and therefore subject to leverage risk. The Company may also invest in structured securities that are collateralized by other types of assets. For example, the Company may invest in collateralized fund obligations (“CFOs”) or rated feeders, which typically consist of tranches of notes and/or equity issued by a special purpose vehicle that holds limited partnership interests in one or more private funds. Investments in CFOs and rated feeders are generally subject to the risks applicable to the underlying fund collateral, including uncertainty as to the amount and timing of underlying fund distributions, transfer restrictions and general illiquidity of underlying fund investments, dependence of the performance of the underlying funds’ general partner and key personnel, leverage risks, and general market and economic factors. |  |  |  |  |  |  |  |  |  |  |  |
Subordinated Securities Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Subordinated Securities Risk CLO equity and junior debt securities that the Company may acquire are subordinate to more senior tranches of CLO debt. CLO equity and junior debt securities are subject to increased risks of default relative to the holders of superior priority interests in the same CLO. In addition, at the time of issuance, CLO equity securities are under-collateralized in that the face amount of the debt and equity of a CLO at inception exceeds the CLO’s total assets. The Company will typically be in a subordinated or first loss position with respect to realized losses on the underlying assets held by the CLOs in which the Company is invested. |  |  |  |  |  |  |  |  |  |  |  |
High Yield Investment Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | High Yield Investment Risk The CLO equity and junior debt securities that the Company acquires are typically rated below investment grade or, in the case of CLO equity securities, unrated and are therefore considered “higher yield” or “junk” securities and are considered speculative with respect to timely payment of interest and repayment of principal. The senior secured loans and other credit-related assets underlying CLOs are also typically higher yield investments. Investing in CLO equity and junior debt securities and other high yield investments involves greater credit and liquidity risk than investment grade obligations, which may adversely impact the Company’s performance. |  |  |  |  |  |  |  |  |  |  |  |
Leverage Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Leverage Risk The use of leverage, whether directly or indirectly through investments such as CLO equity or junior debt securities that inherently involve leverage, may magnify the Company’s risk of loss. CLO equity or junior debt securities are very highly leveraged (with CLO equity securities typically being leveraged ten times), and therefore the CLO securities in which the Company invests are subject to a high degree of risk of loss. |  |  |  |  |  |  |  |  |  |  |  |
Credit Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Credit Risk If (1) a CLO in which the Company invests, (2) an underlying asset of any such CLO or (3) any other type of credit investment in the Company’s portfolio declines in price or fails to pay interest or principal when due because the issuer or debtor, as the case may be, experiences a decline in its financial status, the Company’s income, NAV and/or market price would be adversely impacted. Additionally, interest on a CLO may be paid in kind or deferred and capitalized (paid in the form of obligations of the same type rather than cash), which involves continued exposure to default risk with respect to such payments. |  |  |  |  |  |  |  |  |  |  |  |
Key Personnel Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Key Personnel Risk The Adviser manages our investments. Consequently, the Company’s success depends, in large part, upon the services of the Adviser and the skill and expertise of the Adviser’s professional personnel. There can be no assurance that the professional personnel of the Adviser will continue to serve in their current positions or continue to be employed by the Adviser. We can offer no assurance that their services will be available for any length of time or that the Adviser will continue indefinitely as the Company’s investment adviser. |  |  |  |  |  |  |  |  |  |  |  |
Conflicts Of Interest Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Conflicts of Interest Risk The Company’s executive officers and directors, and the Adviser and certain of its affiliates and their officers and employees, including the members of the Investment Committee, have several conflicts of interest as a result of the other activities in which they engage. For example, the members of the Adviser’s investment team are and may in the future become affiliated with entities engaged in business activities similar to ours and may have conflicts of interest in allocating their time. Moreover, each member of the Adviser’s Investment Committee is engaged in other business activities which divert their time and attention. As a result of these separate business activities, the Adviser has conflicts of interest in allocating management time, services and functions among us, other advisory clients and other business ventures. |  |  |  |  |  |  |  |  |  |  |  |
Prepayment Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Prepayment Risk The assets underlying the CLO securities in which the Company invests are subject to prepayment by the underlying corporate borrowers. As such, the CLO securities and related investments in which the Company invests are subject to prepayment risk. If the Company or a CLO collateral manager are unable to reinvest prepaid amounts in a new investment with an expected rate of return at least equal to that of the investment repaid, the Company’s investment performance will be adversely impacted. |  |  |  |  |  |  |  |  |  |  |  |
Liquidity Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Liquidity Risk Generally, there is no public market for the CLO investments in which the Company invests. As such, the Company may not be able to sell such investments quickly, or at all. If the Company is able to sell such investments, the prices the Company receives may not reflect the Adviser’s assessment of their fair value or the amount paid for such investments by the Company. |  |  |  |  |  |  |  |  |  |  |  |
Incentive Fee Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Incentive Fee Risk The Company’s incentive fee structure and the formula for calculating the fee payable to the Adviser may incentivize the Adviser to pursue speculative investments and use leverage in a manner that adversely impacts the Company’s performance. |  |  |  |  |  |  |  |  |  |  |  |
Fair Valuation Of Portfolio Investments Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Fair Valuation of the Company’s Portfolio Investments Generally, there is no public market for the CLO investments and certain other credit assets in which the Company may invest. The Adviser values these securities at least quarterly, or more frequently as may be required from time to time, at fair value. The Adviser’s determinations of the fair value of the Company’s investments have a material impact on the Company’s net earnings through the recording of unrealized appreciation or depreciation of investments and may cause the Company’s NAV on a given date to understate or overstate, possibly materially, the value that the Company ultimately realizes on one or more of the Company’s investments.​ |  |  |  |  |  |  |  |  |  |  |  |
Limited Investment Opportunities Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Limited Investment Opportunities Risk The market for CLO securities is more limited than the market for other credit related investments. The Company can offer no assurances that sufficient investment opportunities for the Company’s capital will be available. In recent years there has been a marked increase in the number of, and flow of capital into, investment vehicles established to pursue investments in CLO securities whereas the size of the market is relatively limited. While the Company cannot determine the precise effect of such competition, such increase may result in greater competition for investment opportunities, which may result in an increase in the price of such investments relative to the risk taken on by holders of such investments. Such competition may also result under certain circumstances in increased price volatility or decreased liquidity with respect to certain positions. |  |  |  |  |  |  |  |  |  |  |  |
Non-Diversification Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Non-Diversification Risk The Company is a non-diversified investment company under the 1940 Act and expects to hold a narrower range of investments than a diversified fund under the 1940 Act. |  |  |  |  |  |  |  |  |  |  |  |
Market Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Market Risk Political, regulatory, economic and social developments, and developments that impact specific economic sectors, industries or segments of the market, can affect the value of the Company’s investments. A disruption or downturn in the capital markets and the credit markets could impair the Company’s ability to raise capital, reduce the availability of suitable investment opportunities for the Company, or adversely and materially affect the value of the Company’s investments, any of which would negatively affect the Company’s business. These risks may be magnified if certain events or developments adversely interrupt the global supply chain, and could affect companies worldwide. |  |  |  |  |  |  |  |  |  |  |  |
Loan Accumulation Facilities Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Loan Accumulation Facilities Risk The Company may invest in loan accumulation facilities (“LAFs”), which are short to medium term facilities often provided by the bank that will serve as placement agent or arranger on a CLO transaction and which acquire loans on an interim basis which are expected to form part of the portfolio of a future CLO. Investments in LAFs have risks similar to those applicable to investments in CLOs. Leverage is typically utilized in such a facility and as such the potential risk of loss will be increased for such facilities employing leverage. In the event a planned CLO is not consummated, or the loans are not eligible for purchase by the CLO, the Company may be responsible for either holding or disposing of the loans. This could expose the Company to credit and/or mark-to-market losses, and other risks. |  |  |  |  |  |  |  |  |  |  |  |
Synthetic Investments Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Synthetic Investments Risk The Company may invest in synthetic investments, such as significant risk transfer securities and credit risk transfer securities issued by banks or other financial institutions, or acquire interests in lease agreements that have the general characteristics of loans and are treated as loans for withholding tax purposes. In addition to the credit risks associated with the applicable reference assets, the Company will usually have a contractual relationship only with the counterparty of such synthetic investment, and not with the reference obligor of the reference asset. Accordingly, the Company generally will have no right to directly enforce compliance by the reference obligor with the terms of the reference asset nor will it have any rights of setoff against the reference obligor or rights with respect to the reference asset. The Company will not directly benefit from the collateral supporting the reference asset and will not have the benefit of the remedies that would normally be available to a holder of such reference asset. In addition, in the event of the insolvency of the counterparty, the Company may be treated as a general creditor of such counterparty, and will not have any claim with respect to the reference asset. Consequently, the Company will be subject to the credit risk of the counterparty as well as that of the reference obligor. As a result, concentrations of synthetic securities in any one counterparty subjects the Company to an additional degree of risk with respect to defaults by such counterparty as well as by the reference obligor.​ |  |  |  |  |  |  |  |  |  |  |  |
Currency Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Currency Risk Although the Company primarily makes investments denominated in U.S. dollars, the Company may make investments denominated in other currencies. The Company’s investments denominated in currencies other than U.S. dollars will be subject to the risk that the value of such currency will decrease in relation to the U.S. dollar. The Company may or may not hedge currency risk. |  |  |  |  |  |  |  |  |  |  |  |
Hedging Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Hedging Risk Hedging transactions seeking to reduce risks may result in poorer overall performance than if the Company had not engaged in such hedging transactions. Additionally, such transactions may not fully hedge the Company’s risks. |  |  |  |  |  |  |  |  |  |  |  |
Reinvestment Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Reinvestment Risk CLOs will typically generate cash from asset repayments and sales that may be reinvested in substitute assets, subject to compliance with applicable investment tests. If the CLO collateral manager causes the CLO to purchase substitute assets at a lower yield than those initially acquired or sale proceeds are maintained temporarily in cash, it would reduce the excess interest-related cash flow, thereby having a negative effect on the fair value of the Company’s assets and the market value of the Company’s securities. In addition, the reinvestment period for a CLO may terminate early, which would cause the holders of the CLO’s securities to receive principal payments earlier than anticipated. There can be no assurance that the Company will be able to reinvest such amounts in an alternative investment that provides a comparable return relative to the credit risk assumed. |  |  |  |  |  |  |  |  |  |  |  |
Interest Rate Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Interest Rate Risk The price of certain of the Company’s investments may be significantly affected by changes in interest rates, including increases and decreases in interest rates caused by governmental actions and/or other factors. Although senior secured loans are generally floating rate instruments, the Company’s investments in senior secured loans through investments in junior equity and debt tranches of CLOs are sensitive to interest rate levels and volatility. For example, because the senior secured loans constituting the underlying collateral of CLOs typically pay a floating rate of interest, a reduction in interest rates would generally result in a reduction in the residual payments made to the Company as a CLO equity holder (as well as the cash flow the Company receives on the Company’s CLO debt investments and other floating rate investments). Further, there may be some difference between the timing of interest rate resets on the assets and liabilities of a CLO. Such a mismatch in timing could have a negative effect on the amount of funds distributed to CLO equity investors. In addition, CLOs may not be able to enter into hedge agreements, even if it may otherwise be in the best interests of the CLO to hedge such interest rate risk. Furthermore, in the event of a significant rising interest rate environment and/or economic downturn, loan defaults may increase and result in credit losses that may adversely affect the Company’s cash flow, fair value of the Company’s assets and operating results. Because CLOs generally issue debt on a floating rate basis, an increase in the relevant reference rate will increase the financing costs of CLOs. |  |  |  |  |  |  |  |  |  |  |  |
Refinancing Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Refinancing Risk If the Company incurs debt financing and subsequently refinances such debt, the replacement debt may be at a higher cost and on less favorable terms and conditions. If the Company fails to extend, refinance or replace such debt financings prior to their maturity on commercially reasonable terms, the Company’s liquidity will be lower than it would have been with the benefit of such financings, which would limit the Company’s ability to grow, and holders of the Company’s common stock would not benefit from the potential for increased returns on equity that incurring leverage creates. |  |  |  |  |  |  |  |  |  |  |  |
Tax Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Tax Risk If the Company fails to qualify for tax treatment as a RIC under Subchapter M of the Code for any reason, or otherwise becomes subject to corporate income tax, the resulting corporate taxes (and any related penalties) could substantially reduce the Company’s net assets, the amount of income available for distributions to the Company’s stockholders, and the amount of income available for payment of the Company’s other liabilities. |  |  |  |  |  |  |  |  |  |  |  |
Derivatives Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Derivatives Risk Derivative instruments in which the Company may invest may be volatile and involve various risks different from, and in certain cases greater than, the risks presented by other instruments. The primary risks related to derivative transactions include counterparty, correlation, liquidity, leverage, volatility, over-the-counter trading, operational and legal risks. In addition, a small investment in derivatives could have a large potential impact on the Company’s performance, effecting a form of investment leverage on the Company’s portfolio. In certain types of derivative transactions, the Company could lose the entire amount of the Company’s investment; in other types of derivative transactions the potential loss is theoretically unlimited. |  |  |  |  |  |  |  |  |  |  |  |
Counterparty Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Counterparty Risk The Company may be exposed to counterparty risk, which could make it difficult for the Company or the issuers in which the Company invests to collect on obligations, thereby resulting in potentially significant losses. |  |  |  |  |  |  |  |  |  |  |  |
Price Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Price Risk Investors who buy shares at different times will likely pay different prices. |  |  |  |  |  |  |  |  |  |  |  |
Non-U.S. Investing Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Non-U.S. Investing Risk Investing in foreign entities or issuers with underlying non-U.S. assets may expose us to additional risks not typically associated with investing in U.S. entities and issuers. These risks include changes in exchange control regulations, political and social instability, restrictions on the types or amounts of investment, the imposition of sanctions, tariffs, or other governmental restrictions, expropriation, imposition of foreign taxes, less liquid markets and less available information than is generally the case in the U.S., higher transaction costs, less government supervision of exchanges, brokers and issuers, less developed bankruptcy laws, difficulty in enforcing contractual obligations, lack of uniform accounting and auditing standards, currency fluctuations and greater price volatility. Further, we, and the issuers in which we invest, may have difficulty enforcing creditor’s rights in foreign jurisdictions. |  |  |  |  |  |  |  |  |  |  |  |
Global Risks [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Global Risk Due to highly interconnected global economies and financial markets, the value of the Company’s securities and its underlying investments may go up or down in response to governmental actions and/or general economic conditions throughout the world. Events such as war, military conflict, acts of terrorism, social unrest, natural disasters, recessions, inflation, rapid interest rate changes, supply chain disruptions, sanctions, the enactment of trade tariffs, the spread of infectious illness or other public health threats could also significantly impact the Company and its investments. |  |  |  |  |  |  |  |  |  |  |  |
Banking Risk [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General Description of Registrant [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk [Text Block] |  |  | Banking Risk The possibility of future bank failures poses risks of reduced financial market liquidity at clearing, cash management and other custodial financial institutions. The failure of banks which hold cash on behalf of the Company, the Company’s underlying obligors, the collateral managers of the CLOs in which the Company invests (or managers of other securitized or pooled vehicles in which the Company invests), or the Company’s service providers could adversely affect the Company’s ability to pursue its investment strategies and objectives. For example, if an underlying obligor has a commercial relationship with a bank that has failed or is otherwise distressed, such obligor may experience delays or other disruptions in meeting its obligations and consummating business transactions. Additionally, if a collateral manager has a commercial relationship with a distressed bank, the manager may experience issues conducting its operations or consummating transactions on behalf of the CLOs it manages, which could negatively affect the performance of such CLOs (and, therefore, the performance of the Company).​ |  |  |  |  |  |  |  |  |  |  |  |
Unsecured Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financial Highlights [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Securities Amount |  |  | $ 285,523,800 | $ 285,523,800 | $ 170,523,800 | $ 170,523,800 | $ 138,584,775 | $ 93,734,775 | $ 98,902,675 | $ 98,902,675 | $ 91,623,750 | $ 59,998,750 | $ 25,000,000 |  |
Senior Securities Coverage per Unit | [1] |  | $ 5,247.58 | $ 5,062.81 | $ 5,514.93 | $ 4,226.7 | $ 5,339.86 | $ 5,340.98 | $ 4,757.42 | $ 4,766.23 | $ 5,372.28 | $ 7,221.89 | $ 10,275.46 |  |
Senior Securities Average Market Value per Unit | [2] |  | $ 23.97 | $ 23.5 | $ 22.51 | $ 23.67 | $ 25.58 | $ 23.93 | $ 25.47 | $ 25.08 | $ 25.96 | $ 25.29 | $ 24.52 |  |
6.6875% Notes Due 2028 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Security, Title [Text Block] |  |  | 6.6875% Notes due 2028 |  |  |  |  |  |  |  |  |  |  |  |
6.75% Notes Due 2031 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Security, Title [Text Block] |  |  | 6.75% Notes due 2031 |  |  |  |  |  |  |  |  |  |  |  |
5.375% Notes Due 2029 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Security, Title [Text Block] |  |  | 5.375% Notes due 2029 |  |  |  |  |  |  |  |  |  |  |  |
7.75% Notes due 2030 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Security, Title [Text Block] |  |  | 7.75% Notes due 2030 |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financial Highlights [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Securities Amount |  |  | $ 330,474,416 | $ 264,232,758 | $ 83,223,700 | $ 81,587,250 | $ 98,130,500 | $ 47,862,425 | $ 69,843,150 | $ 92,568,150 | $ 92,139,600 | $ 91,450,000 | $ 45,450,000 |  |
Senior Securities Coverage per Unit | [1] |  | $ 60.81 | $ 65.74 | $ 92.65 | $ 71.47 | $ 78.16 | $ 88.39 | $ 69.71 | $ 61.55 | $ 66.97 | $ 71.53 | $ 91.16 |  |
Preferred Stock Liquidating Preference | [3] |  | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |  |
Senior Securities Average Market Value per Unit | [2] |  | $ 22.56 | $ 22.51 | $ 21.04 | $ 23.25 | $ 25.48 | $ 24.25 | $ 26.04 | $ 25.78 | $ 25.75 | $ 25.41 | $ 25.43 |  |
6.50% Series C Term Preferred Stock due 2031 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Security, Title [Text Block] |  |  | 6.50% Series C Term Preferred Stock due 2031 |  |  |  |  |  |  |  |  |  |  |  |
6.75% Series D Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Security, Title [Text Block] |  |  | 6.75% Series D Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |
8.00% Series F Term Preferred Stock due 2029[Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Security, Title [Text Block] |  |  | 8.00% Series F Term Preferred Stock due 2029 |  |  |  |  |  |  |  |  |  |  |  |
7.00% Series AA Convertible Perpetual Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Security, Title [Text Block] |  |  | 7.00% Series AA Convertible Perpetual Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |
7.00% Series AB Convertible Perpetual Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Security, Title [Text Block] |  |  | 7.00% Series AB Convertible Perpetual Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |
Common Stocks [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Stock, Long-Term Debt, and Other Securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding Security, Title [Text Block] |  |  | common stock |  |  |  |  |  |  |  |  |  |  |  |
Outstanding Security, Held [Shares] |  |  | 126,331,691 |  |  |  |  |  |  |  |  |  |  |  |
[1] | The asset coverage per unit figure is the ratio of the Company’s total consolidated assets, less all liabilities and indebtedness not represented by senior securities, to the aggregate dollar amount of outstanding applicable senior securities, as calculated separately for each of the Preferred Stock and the Unsecured Notes in accordance with section 18(h) of the 1940 Act. With respect to the Preferred Stock, the asset coverage per unit figure is expressed in terms of dollar amounts per share of outstanding preferred stock (based on a per share liquidation preference of $25.) With respect to the Unsecured Notes, the asset coverage per unit figure is expressed in terms of dollar amounts per $1,000 principal amount of such notes.
[2] | The average market value per unit is calculated by taking the average of the closing price (or $25 principal value for unlisted securities) for each of (a) a share of the Preferred Stock (NYSE: ECCA, ECCB, ECCC, ECCF, ECC PRD; Unlisted: ECC AA, ECC AB) and (b) for each $25 principal amount of the Unsecured Notes (NYSE: ECCU, ECCV, ECCW, ECCX, ECCY, ECCZ) for each day during the years for which each applicable security was outstanding. A $25 market value was assumed for unlisted securities.
[3] | The involuntary liquidating preference per unit is the amount to which a share of Preferred Stock would be entitled in preference to any security junior to it upon our involuntary liquidation.

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