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CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Beginning balance (in shares) |  |  |  |  | 133,045,000 |  |  |  |
Beginning balance | $ 1,585,510 |  | $ 1,327,740 |  | $ 1,401,459 |  | $ 1,308,547 |  | $ 1,308,547
Net increase (decrease) in net assets resulting from operations | 27,967 |  | 53,202 |  | $ 217,306 |  | $ 39,548 |  |
Public offering, net of offering expenses (in shares) |  |  |  |  | 16,200,000 |  | 11,800,000 |  |
Public offering, net of offering expenses | 107,562 |  | 42,854 |  | $ 238,310 |  | $ 189,958 |  |
Issuance of common stock under equity-based award plans | 163 |  | 266 |  | 378 |  | 720 |  |
Shares retired on vesting of equity-based awards | (675) |  | (838) |  | $ (12,503) |  | $ (5,458) |  |
Distributions reinvested in common stock (in shares) |  |  |  |  | 197,592 |  | 184,197 |  |
Distributions reinvested in common stock | 1,057 |  | 949 |  | $ 2,936 |  | $ 2,895 |  |
Issuance of Convertible Notes |  |  |  |  |  |  | 0 |  |
Distributions | (72,534) |  | (63,950) |  | (204,687) |  | (181,825) |  | (249,077)
Stock-based compensation | 3,007 | [1] | 2,495 | [2] | 8,858 | [1] | 8,333 | [2] |
Common stock, par value | $ 152 |  |  |  | $ 152 |  |  |  | $ 134
Ending balance (in shares) | 151,179,000 |  |  |  | 151,179,000 |  |  |  | 133,045,000
Ending balance | $ 1,652,057 |  | $ 1,362,718 |  | $ 1,652,057 |  | $ 1,362,718 |  | $ 1,401,459
Common Stock |  |  |  |  |  |  |  |  |
Beginning balance (in shares) | 144,641,000 |  | 127,285,000 |  | 133,044,602 |  | 116,619,000 |  | 116,619,000
Beginning balance | $ 145 |  | $ 128 |  | $ 134 |  | $ 117 |  | $ 117
Public offering, net of offering expenses (in shares) | 6,500,000 |  | 2,866,000 |  | 16,221,000 |  | 11,787,000 |  |
Public offering, net of offering expenses | $ 7 |  | $ 3 |  | $ 16 |  | $ 12 |  |
Issuance of common stock under equity-based award plans (in shares) | 21,000 |  | 45,000 |  | 1,923,000 |  | 870,000 |  |
Issuance of common stock under equity-based award plans |  |  |  |  | $ 2 |  | $ 1 |  |
Shares retired on vesting of equity-based awards (in shares) | (48,000) |  | (68,000) |  | (208,000) |  | (250,000) |  |
Distributions reinvested in common stock (in shares) | 65,000 |  | 63,000 |  | 198,000 |  | 184,000 |  |
Issuance of convertible notes (in shares) |  |  |  |  |  |  | 981,000 |  |
Issuance of Convertible Notes |  |  |  |  |  |  | $ 1 |  |
Distributions | $ 71,860 |  | $ 63,421 |  | $ 202,556 |  | $ 180,114 |  |
Ending balance (in shares) | 151,178,738 |  | 130,191,000 |  | 151,178,738 |  | 130,191,000 |  | 133,044,602
Ending balance | $ 152 |  | $ 131 |  | $ 152 |  | $ 131 |  | $ 134
Capital in excess of par value |  |  |  |  |  |  |  |  |
Beginning balance | 1,468,270 |  | 1,242,618 |  | 1,341,416 |  | 1,091,907 |  | 1,091,907
Public offering, net of offering expenses | 107,555 |  | 42,851 |  | 238,294 |  | 189,946 |  |
Issuance of common stock under equity-based award plans | 163 |  | 266 |  | 376 |  | 719 |  |
Shares retired on vesting of equity-based awards | (675) |  | (838) |  | (12,503) |  | (5,458) |  |
Distributions reinvested in common stock | 1,057 |  | 949 |  | 2,936 |  | 2,895 |  |
Issuance of Convertible Notes |  |  |  |  |  |  | (1) |  |
Stock-based compensation | 3,007 | [1] | 2,495 | [2] | 8,858 | [1] | 8,333 | [2] |
Ending balance | 1,579,377 |  | 1,288,341 |  | 1,579,377 |  | 1,288,341 |  | 1,341,416
Distributable Earnings (loss) |  |  |  |  |  |  |  |  |
Beginning balance | 117,095 |  | 84,994 |  | 59,909 |  | 216,523 |  | 216,523
Net increase (decrease) in net assets resulting from operations | 27,967 |  | 53,202 |  | 217,306 |  | 39,548 |  |
Distributions | (72,534) |  | (63,950) |  | (204,687) |  | (181,825) |  |
Ending balance | $ 72,528 |  | $ 74,246 |  | $ 72,528 |  | $ 74,246 |  | $ 59,909
[1] | Stock-based compensation includes $31 thousand and $81 thousand of restricted stock and option expense related to director compensation for the three and nine months ended September 30, 2023, respectively
[2] | Stock-based compensation includes $36 thousand and $113 thousand of restricted stock and option expense related to director compensation for the three and nine months ended September 30, 2022, respectively.

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