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Note 10 - Distributions - Distribution Activity (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 23, 2025 | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Distributions declared per share (in dollars per share) |  | $ 0.33 | $ 0.33 | $ 0.66 | $ 0.71 | $ 1.37
Dividends, cash |  |  |  | $ 17,331 |  | $ 48,714
Dividends, shares (in shares) |  |  |  | 95,998 |  | 211,480
Dividends, stock |  |  |  | $ 758 |  | $ 2,247
O 2025 M6 Dividends [Member] | Forecast [Member] |  |  |  |  |  |
Record date | Sep. 17, 2025 |  |  |  |  |
Payment date | Oct. 15, 2025 |  |  |  |  |
Distributions declared per share (in dollars per share) | $ 0.11 |  |  |  |  |
O 2025 M7 Dividends [Member] | Forecast [Member] |  |  |  |  |  |
Record date | Oct. 16, 2025 |  |  |  |  |
Payment date | Nov. 14, 2025 |  |  |  |  |
Distributions declared per share (in dollars per share) | $ 0.11 |  |  |  |  |
O 2025 M4 1 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  | Aug. 18, 2025 |  |
Payment date |  |  |  | Sep. 16, 2025 |  |
Distributions declared per share (in dollars per share) |  |  |  | $ 0.11 |  |
Dividends, cash |  |  |  | $ 0 |  |
Dividends, shares (in shares) |  |  |  | 0 |  |
Dividends, stock |  |  |  | $ 0 |  |
O 2025 M8 Dividends [Member] | Forecast [Member] |  |  |  |  |  |
Record date | Nov. 17, 2025 |  |  |  |  |
Payment date | Dec. 16, 2025 |  |  |  |  |
Distributions declared per share (in dollars per share) | $ 0.11 |  |  |  |  |
O 2025 M4 2 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  | Jul. 16, 2025 |  |
Payment date |  |  |  | Aug. 15, 2025 |  |
Distributions declared per share (in dollars per share) |  |  |  | $ 0.11 |  |
Dividends, cash |  |  |  | $ 0 |  |
Dividends, shares (in shares) |  |  |  | 0 |  |
Dividends, stock |  |  |  | $ 0 |  |
O 2025 M4 3 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  | Jun. 16, 2025 |  |
Payment date |  |  |  | Jul. 15, 2025 |  |
Distributions declared per share (in dollars per share) |  |  |  | $ 0.11 |  |
Dividends, cash |  |  |  | $ 4,442 |  |
Dividends, shares (in shares) |  |  |  | 21,896 |  |
Dividends, stock |  |  |  | $ 181 |  |
O 2025 M2 1 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  | May 16, 2025 |  |
Payment date |  |  |  | Jun. 13, 2025 |  |
Distributions declared per share (in dollars per share) |  |  |  | $ 0.11 |  |
Dividends, cash |  |  |  | $ 4,387 |  |
Dividends, shares (in shares) |  |  |  | 27,006 |  |
Dividends, stock |  |  |  | $ 203 |  |
O 2025 M2 2 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  | Apr. 16, 2025 |  |
Payment date |  |  |  | May 15, 2025 |  |
Distributions declared per share (in dollars per share) |  |  |  | $ 0.11 |  |
Dividends, cash |  |  |  | $ 4,257 |  |
Dividends, shares (in shares) |  |  |  | 24,095 |  |
Dividends, stock |  |  |  | $ 182 |  |
O 2025 M2 3 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  | Mar. 17, 2025 |  |
Payment date |  |  |  | Apr. 15, 2025 |  |
Distributions declared per share (in dollars per share) |  |  |  | $ 0.11 |  |
Dividends, cash |  |  |  | $ 4,245 |  |
Dividends, shares (in shares) |  |  |  | 23,001 |  |
Dividends, stock |  |  |  | $ 192 |  |
O 2024 M10 1 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Feb. 18, 2025
Payment date |  |  |  |  |  | Mar. 14, 2025
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 4,280
Dividends, shares (in shares) |  |  |  |  |  | 16,954
Dividends, stock |  |  |  |  |  | $ 154
O 2024 M10 2 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Jan. 16, 2025
Payment date |  |  |  |  |  | Feb. 14, 2025
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 4,226
Dividends, shares (in shares) |  |  |  |  |  | 18,428
Dividends, stock |  |  |  |  |  | $ 179
O 2024 M10 3 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Dec. 16, 2024
Payment date |  |  |  |  |  | Jan. 15, 2025
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 4,235
Dividends, shares (in shares) |  |  |  |  |  | 16,428
Dividends, stock |  |  |  |  |  | $ 151
O 2024 M7 1 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Nov. 15, 2024
Payment date |  |  |  |  |  | Dec. 13, 2024
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 4,124
Dividends, shares (in shares) |  |  |  |  |  | 15,584
Dividends, stock |  |  |  |  |  | $ 147
O 2024 M7 2 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Oct. 17, 2024
Payment date |  |  |  |  |  | Nov. 14, 2024
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 4,022
Dividends, shares (in shares) |  |  |  |  |  | 17,706
Dividends, stock |  |  |  |  |  | $ 165
O 2024 M7 3 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Sep. 16, 2024
Payment date |  |  |  |  |  | Oct. 16, 2024
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 3,914
Dividends, shares (in shares) |  |  |  |  |  | 18,539
Dividends, stock |  |  |  |  |  | $ 195
O 2024 M4 1 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Aug. 16, 2024
Payment date |  |  |  |  |  | Sep. 13, 2024
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 3,818
Dividends, shares (in shares) |  |  |  |  |  | 17,441
Dividends, stock |  |  |  |  |  | $ 192
O 2024 M4 2 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Jul. 17, 2024
Payment date |  |  |  |  |  | Aug. 15, 2024
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 3,775
Dividends, shares (in shares) |  |  |  |  |  | 16,852
Dividends, stock |  |  |  |  |  | $ 192
O 2024 M4 3 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Jun. 17, 2024
Payment date |  |  |  |  |  | Jul. 16, 2024
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 3,766
Dividends, shares (in shares) |  |  |  |  |  | 15,860
Dividends, stock |  |  |  |  |  | $ 199
O 2024 M2 1 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | May 17, 2024
Payment date |  |  |  |  |  | Jun. 14, 2024
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 3,701
Dividends, shares (in shares) |  |  |  |  |  | 16,686
Dividends, stock |  |  |  |  |  | $ 201
O 2024 M2 2 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Apr. 18, 2024
Payment date |  |  |  |  |  | May 15, 2024
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 3,654
Dividends, shares (in shares) |  |  |  |  |  | 16,687
Dividends, stock |  |  |  |  |  | $ 199
O 2024 M2 3 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Mar. 19, 2024
Payment date |  |  |  |  |  | Apr. 16, 2024
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.05
Dividends, cash |  |  |  |  |  | $ 1,625
Dividends, shares (in shares) |  |  |  |  |  | 7,598
Dividends, stock |  |  |  |  |  | $ 85
O 2024 M2 4 Dividends [Member] |  |  |  |  |  |
Record date |  |  |  |  |  | Mar. 19, 2024
Payment date |  |  |  |  |  | Apr. 16, 2024
Distributions declared per share (in dollars per share) |  |  |  |  |  | $ 0.11
Dividends, cash |  |  |  |  |  | $ 3,574
Dividends, shares (in shares) |  |  |  |  |  | 16,717
Dividends, stock |  |  |  |  |  | $ 188

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