Annual report pursuant to Section 13 and 15(d)

Earnings Per Share - Schedule of Basic and Diluted Earnings Per Share (Details)

v3.25.0.1
Earnings Per Share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Numerator                    
Net increase (decrease) in net assets resulting from operations $ 262,966 $ 337,484 $ 102,081              
Distributions declared 312,244 278,301 249,077              
Numerator for basic change in net assets per common share 260,135 334,141 99,878              
Numerator for diluted change in net assets per common share 260,135 334,141 99,878              
Total Earnings (loss), net of total distributions $ (49,278) $ 59,183 $ (146,996)              
Denominator                    
Basic weighted average common shares outstanding (in shares) 161,082 144,091 125,189 114,742 111,985 101,132 90,929 82,519 73,753 69,479
Common shares issuable (in shares) 517 735 1,470              
Weighted average common shares outstanding assuming dilution (in shares) 161,599 144,826 126,659              
Change in net assets per common share:                    
Basic (in dollars per share) $ 1.61 $ 2.32 $ 0.80              
Diluted (in dollars per share) $ 1.61 $ 2.31 $ 0.79              
Common Stock                    
Numerator                    
Distributions declared $ 309,413 $ 275,548 $ 246,873              
Earnings (loss), net of distributions attributable to common shares $ (49,278) $ 58,593 $ (146,995)