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v3.23.1

SUMMARY OF PER SHARE INFORMATION (Details) - $ / shares | 12 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2017
Per Share Data: |  |  |  |  |  |  |
Investment income (in usd per share) | $ 3.97 | $ 3.60 | $ 3.57 | $ 3.45 | $ 3.10 | $ 2.18 | $ 1.48
Operating expenses (in usd per share) | (1.67) | (1.70) | (1.78) | (1.76) | (1.62) | (1.16) | (0.87)
Income taxes (in usd per share) | (0.01) | (0.03) | (0.13) | (0.12) | (0.06) | (0.01) | (0.11)
Net investment income (in usd per share) | 2.29 | 1.87 | 1.66 | 1.57 | 1.42 | 1.01 | 0.50
Net realized (loss) gain, net of tax (in usd per share) | (0.57) | 0.26 | (0.45) | 2.35 | 1.24 | 0.10 | 0.50
Net unrealized (depreciation) appreciation on investments, net of tax (in usd per share) | (0.62) | 0.50 | 1.51 | (5.16) | (0.68) | 1.34 | 0.49
Realized loss on extinguishment of debt (in usd per share) | 0 | (0.75) | (0.05) | 0 | 0 | 0 | 0
Total increase from investment operations (in usd per share) | 1.10 | 1.88 | 2.67 | (1.24) | 1.98 | 2.45 | 1.49
Accretive effect of share issuances and repurchases (in usd per share) | 0.50 | 1.45 | 0.30 | 0.45 | 0.06 | (0.04) | 0
Dividends to shareholders (in usd per share) | (2.28) | (2.52) | (2.05) | (2.75) | (2.27) | (0.99) | (0.79)
Spin-off Compensation Plan Distribution, net of tax (in usd per share) | 0 | 0 | 0 | 0 | 0 | (0.03) | (0.08)
Issuance of restricted stock (in usd per share) | (0.14) | (0.10) | (0.16) | (0.06) | (0.23) | (0.18) | (0.15)
Common stock withheld for payroll taxes upon vesting of restricted stock (in usd per share) | (0.01) | (0.03) | 0 | 0 | (0.01) | (0.01) | 0
Exercise of employee stock options (in usd per share) | 0 | 0 | 0 | 0 | (0.12) | 0.01 | (0.09)
Share based compensation expense (in usd per share) | 0.10 | 0.14 | 0.14 | 0.16 | 0.13 | 0.11 | 0.08
Change in restoration plan (in usd per share) | 0.06 | 0.01 | 0 | (0.01) | (0.01) | (0.05) | 0
Repurchase of common stock (in usd per share) | 0 | 0 | 0 | 0.15 | 0 | 0 | 0
Other (in usd per share) | 0.18 | 0.02 | (0.02) | (0.19) | 0.01 | 0.01 | 0
(Decrease) increase in net asset value (in usd per share) | (0.49) | 0.85 | 0.88 | (3.49) | (0.46) | 1.28 | 0.46
Net asset value |  |  |  |  |  |  |
Beginning of period (in usd per share) | 16.86 | 16.01 | 15.13 | 18.62 | 19.08 | 17.80 | 17.34
End of period (in usd per share) | $ 16.37 | $ 16.86 | $ 16.01 | $ 15.13 | $ 18.62 | $ 19.08 | $ 17.80
Ratios and Supplemental Data |  |  |  |  |  |  |
Ratio of operating expenses to average net assets | 10.06% | 10.31% | 11.51% | 9.87% | 8.61% | 6.35% | 4.95%
Ratio of net investment income to average net assets | 13.75% | 11.31% | 10.74% | 8.77% | 7.53% | 5.51% | 2.83%
Portfolio turnover | 13.68% | 33.91% | 18.81% | 22.76% | 23.38% | 25.42% | 23.57%
Total investment return | 10.62% | 21.05% | 19.37% | (3.97%) | 9.49% | 12.75% | 7.21%
Total return based on change in NAV | (15.36%) | 18.10% | 118.56% | (37.52%) | 38.34% | 6.61% | 27.88%
Per share market value at the end of the period (in usd per share) | $ 17.78 | $ 23.73 | $ 22.16 | $ 11.42 | $ 21.04 | $ 17.02 | $ 16.91
Weighted-average common and fully diluted shares outstanding (in shares) | 30,015,533 | 22,839,835 | 19,060,131 | 18,000,000 | 16,139,000 | 16,139,000 | 15,877,000
Weighted average shares outstanding – basic (in share) | 30,015,533 | 22,839,835 | 19,060,131 | 18,000,000 | 16,074,000 | 16,074,000 | 15,825,000
Common shares outstanding at end of period (in shares) | 36,076,425 | 24,958,520 | 21,005,000 | 17,998,000 | 17,503,000 | 16,162,000 | 16,011,000

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