EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Sep. 30, 2024 |
Jun. 30, 2024 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
Mar. 31, 2022 |
Mar. 31, 2021 |
Mar. 31, 2020 |
Mar. 31, 2019 |
Mar. 31, 2018 |
Mar. 31, 2017 |
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| Earnings Per Share [Abstract] | ||||||||||||||||||
| Numerator for basic earnings per share | $ 27,479 | $ 32,896 | $ 25,619 | $ 27,001 | $ 17,561 | $ 16,268 | $ 22,684 | $ 14,035 | $ 112,995 | $ 70,548 | $ 83,389 | |||||||
| Adjustment for income allocated to participating securities | (1,216) | (689) | 0 | |||||||||||||||
| Numerator for basic earnings per common share | $ 111,779 | $ 69,859 | $ 83,389 | |||||||||||||||
| Denominator for basic weighted average common share (in shares) | 56,529,604 | 47,448,093 | 40,727,133 | 30,016,000 | 22,840,000 | 19,060,000 | 18,000,000 | 16,074,000 | 16,074,000 | 15,825,000 | ||||||||
| Basic earnings per common share (in usd per share) | $ 1.98 | $ 1.47 | $ 2.05 | |||||||||||||||
| Numerator for increase in net assets per share | $ 111,779 | $ 69,859 | $ 83,389 | |||||||||||||||
| Adjustment for interest and amortization on 2029 Convertible Notes | 13,267 | 5,263 | 0 | |||||||||||||||
| Numerator for diluted earnings per common share | $ 125,046 | $ 75,122 | $ 83,389 | |||||||||||||||
| Weighted average common shares outstanding – basic (in shares) | 56,529,604 | 47,448,093 | 40,727,133 | 30,016,000 | 22,840,000 | 19,060,000 | 18,000,000 | 16,074,000 | 16,074,000 | 15,825,000 | ||||||||
| Adjustment for dilutive effect of 2029 Convertible Notes | 9,299,000 | 3,740,000 | 0 | |||||||||||||||
| Denominator for diluted weighted average common shares (in shares) | 65,828,805 | 51,187,714 | 40,727,133 | 30,016,000 | 22,840,000 | 19,060,000 | 18,000,000 | 16,139,000 | 16,139,000 | 15,877,000 | ||||||||
| Diluted earnings per common share (in usd per share) | $ 1.90 | $ 1.47 | $ 2.05 | |||||||||||||||
| Anti-dilutive securities | 0 | 0 | 0 | |||||||||||||||
| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of dilutive convertible securities excluding adjustments related to ESOP convertible preferred stock, stock options, and restrictive stock units. No definition available.
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- References No definition available.
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| X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent, and includes adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions. No definition available.
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| X | ||||||||||
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of undistributed earnings (loss), allocated to common stock, as if earnings and addition from assumption of issuance of common shares for dilutive potential common shares, had been distributed. Excludes distributed earnings. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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