v3.26.3
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
CASH FLOWS FROM OPERATING ACTIVITIES              
Net increase in net assets resulting from operations $ 117,083 $ 48,981 $ 123,671 $ 116,082 $ 313,641 $ 362,287  
Adjustments to reconcile net increase in net assets resulting from operations to net cash provided by operating activities:              
Investments in portfolio companies         (972,297) (873,871)  
Proceeds from sales and repayments of debt investments in portfolio companies         668,200 687,229  
Proceeds from sales and return of capital of equity investments in portfolio companies         120,806 115,476  
Net unrealized appreciation (68,505)   (62,978)   (50,126) (107,217)  
Net realized gain 27,574   19,104   (23,227) (3,771)  
Accretion of unearned income         (17,976) (16,114)  
Payment-in-kind interest         (13,393) (11,402)  
Cumulative dividends         (3,247) (2,932)  
Share-based compensation expense         16,792 15,691  
Amortization of deferred financing and debt issuance costs, net         4,421 4,886  
Deferred taxes         24,285 9,126  
Changes in other assets and liabilities:              
Interest and dividend receivable         (2,734) 8,897  
Prepaids and other assets         (12,872) (5,923)  
Accounts payable and other liabilities         (2,625) (8,594)  
Interest payable         (6,183) (4,717)  
Deferred fees and other         6,028 3,706  
Net cash provided by operating activities         49,493 172,757  
CASH FLOWS FROM FINANCING ACTIVITIES              
Proceeds from public offering of common stock, net of offering costs         163,925 22,890  
Dividends paid         (270,373) (253,676)  
Proceeds from Credit Facilities         1,709,000 914,000  
Repayments on Credit Facilities         (1,431,500) (1,087,000)  
Deferred financing and debt issuance costs, net         (1,143) (6,635)  
Purchases of vested stock for employee payroll tax withholding         (8,974) (10,019)  
Net cash provided by (used in) financing activities         10,935 (220,440)  
Net increase (decrease) in cash and cash equivalents         60,428 (47,683)  
CASH AND CASH EQUIVALENTS AS OF BEGINNING OF PERIOD   $ 41,959   $ 78,251 41,959 78,251 $ 78,251
CASH AND CASH EQUIVALENTS AS OF END OF PERIOD $ 102,387   $ 30,568   102,387 30,568 $ 41,959
Supplemental cash flow disclosures:              
Interest paid         111,291 95,883  
Taxes paid         12,772 18,090  
Non-cash financing activities:              
Value of shares issued pursuant to the dividend reinvestment plan         30,481 28,052  
March 2029 Notes              
CASH FLOWS FROM FINANCING ACTIVITIES              
Proceeds from public offering         200,000 0  
April 2031 Notes              
CASH FLOWS FROM FINANCING ACTIVITIES              
Proceeds from public offering         150,000 0  
August 2028 Notes              
CASH FLOWS FROM FINANCING ACTIVITIES              
Proceeds from public offering         0 350,000  
July 2026 Notes              
CASH FLOWS FROM FINANCING ACTIVITIES              
Repayments of Notes         (500,000) 0  
December 2025 Notes              
CASH FLOWS FROM FINANCING ACTIVITIES              
Repayments of Notes         $ 0 $ (150,000)