XML 83 R72.htm IDEA: XBRL DOCUMENT v3.24.0.1
Selected Quarterly Financial Data (unaudited) - Schedule of Selected Quarterly Financial Data (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
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
Dec. 31, 2014
Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]                                              
Total investment income $ 36,311 $ 34,185 $ 30,558 $ 29,056 $ 27,474 $ 24,992 $ 21,153 $ 20,518 $ 24,101 $ 21,229 $ 21,826 $ 23,290 $ 130,110 $ 94,137 $ 90,446                
Net investment income 16,939 16,660 16,784 14,723 12,484 12,719 11,008 10,338 2,448 5,118 6,473 11,081 65,106 46,549 25,120                
Net increase (decrease) in net assets resulting from operations $ 26,430 $ 24,299 $ 10,915 $ 15,489 $ 4,723 $ 11,428 $ 7,981 $ 11,690 $ 50,238 $ 28,442 $ 25,886 $ 11,538 $ 77,133 $ 35,822 $ 116,104                
Net investment income per share-basic $ 0.58 $ 0.63 $ 0.67 $ 0.59 $ 0.51 $ 0.52 $ 0.45 $ 0.42 $ 0.10 $ 0.21 $ 0.26 $ 0.45 $ 2.47 $ 1.9 $ 1.03                
Net investment income per share-diluted 0.58 0.63 0.67 0.59 0.51 0.52 0.45 0.42 0.10 0.21 0.26 0.45 2.47 1.9 1.03                
Net increase in net assets from operations per share 0.91 0.91 0.44 0.62 0.19 0.47 0.33 0.48 2.06 1.16 1.06 0.47 2.93 1.46 4.75                
Net asset value per share at end of period $ 19.37 [1] $ 19.28 [1] $ 19.13 [1] $ 19.39 [1] $ 19.43 [1] $ 19.41 [1] $ 19.8 [1] $ 19.91 [1] $ 19.96 [1] $ 18.31 [1] $ 17.57 [1] $ 16.9 [1] $ 19.37 [1] $ 19.43 [1] $ 19.96 [1] $ 16.81 $ 16.85 $ 16.47 $ 16.05 $ 15.76 $ 15.17 $ 15.16 $ 15.35
[1] Net asset value per share is determined as of the last day in the relevant quarter and therefore may not reflect the net asset value per share on the date of the high and low sales prices. The net asset values shown are based on outstanding shares at the end of each period.