Quarterly report pursuant to Section 13 or 15(d)

Investments - Schedule of Realized Gains and Losses and Changes in Unrealized Appreciation and Depreciation on Control and Affiliate investments (Details)

v3.23.1
Investments - Schedule of Realized Gains and Losses and Changes in Unrealized Appreciation and Depreciation on Control and Affiliate investments (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Schedule Of Investments [Line Items]        
Total investments, at fair value $ 3,130,178   $ 2,963,955  
Interest Income 99,897 $ 62,252    
Fee Income 5,193 2,905    
Total net change in unrealized appreciation (depreciation) 21,105 (36,742)    
Total net realized gain (loss) 7,960 (2,381)    
Control & Affiliate Investments        
Schedule Of Investments [Line Items]        
Total investments, at fair value [1]   81,107    
Investment, Affiliated Issuer [Member]        
Schedule Of Investments [Line Items]        
Total investments, at fair value   81,107   $ 82,962
Total net change in unrealized appreciation (depreciation)   2,207    
Total net realized gain (loss)   3,772    
Investment, Affiliated Issuer [Member] | Control & Affiliate Investments        
Schedule Of Investments [Line Items]        
Interest Income [1]   2,162    
Fee Income [1]   16    
Total net change in unrealized appreciation (depreciation) [1]   2,207    
Total net realized gain (loss) [1]   3,772    
Investment, Affiliated Issuer, Controlled [Member]        
Schedule Of Investments [Line Items]        
Total investments, at fair value 85,326 [2] 76,277 $ 76,458 [3] 73,504
Interest Income 1,116 1,115    
Fee Income 19 16    
Total net change in unrealized appreciation (depreciation) 8,846 1,454    
Total net realized gain (loss) 0 0    
Investment, Affiliated Issuer, Controlled [Member] | Control Investments        
Schedule Of Investments [Line Items]        
Total investments, at fair value [1] 85,326 76,277    
Interest Income [1] 1,116 1,115    
Fee Income [1] 19 16    
Total net change in unrealized appreciation (depreciation) [1] 8,846 1,454    
Total net realized gain (loss) [1] 0 0    
Investment, Affiliated Issuer, Controlled [Member] | Coronado Aesthetics, LLC        
Schedule Of Investments [Line Items]        
Total investments, at fair value [1] 256 614    
Interest Income [1] 0 0    
Fee Income [1] 0 0    
Total net change in unrealized appreciation (depreciation) [1] (63) 49    
Total net realized gain (loss) [1] 0 0    
Investment, Affiliated Issuer, Controlled [Member] | Gibraltar Business Capital, LLC        
Schedule Of Investments [Line Items]        
Total investments, at fair value [1] 40,701 42,622    
Interest Income [1] 796 834    
Fee Income [1] 19 16    
Total net change in unrealized appreciation (depreciation) [1] 3,735 (1,227)    
Total net realized gain (loss) [1] 0 0    
Investment, Affiliated Issuer, Controlled [Member] | Hercules Adviser LLC        
Schedule Of Investments [Line Items]        
Total investments, at fair value [1] 36,595 24,694    
Interest Income [1] 150 111    
Fee Income [1] 0 0    
Total net change in unrealized appreciation (depreciation) [1] 5,442 2,554    
Total net realized gain (loss) [1] 0 0    
Investment, Affiliated Issuer, Controlled [Member] | Tectura Corporation        
Schedule Of Investments [Line Items]        
Total investments, at fair value [1] 7,774 8,347    
Interest Income [1] 170 170    
Fee Income [1] 0 0    
Total net change in unrealized appreciation (depreciation) [1] (268) 78    
Total net realized gain (loss) [1] 0 0    
Investment, Affiliated Issuer, Noncontrolled [Member]        
Schedule Of Investments [Line Items]        
Total investments, at fair value   4,830   $ 9,458
Interest Income 0 1,047    
Total net change in unrealized appreciation (depreciation) 0 753    
Total net realized gain (loss) $ 0 3,772    
Investment, Affiliated Issuer, Noncontrolled [Member] | Affiliate Investments        
Schedule Of Investments [Line Items]        
Total investments, at fair value [1],[4]   4,830    
Interest Income [1],[4]   1,047    
Fee Income [1],[4]   0    
Total net change in unrealized appreciation (depreciation) [1],[4]   753    
Total net realized gain (loss) [1],[4]   3,772    
Investment, Affiliated Issuer, Noncontrolled [Member] | Black Crow AI, Inc. affiliates        
Schedule Of Investments [Line Items]        
Total investments, at fair value [1],[4]   0    
Interest Income [1],[4]   0    
Fee Income [1],[4]   0    
Total net change in unrealized appreciation (depreciation) [1],[4]   (120)    
Total net realized gain (loss) [1],[4]   3,772    
Investment, Affiliated Issuer, Noncontrolled [Member] | Pineapple Energy LLC        
Schedule Of Investments [Line Items]        
Total investments, at fair value [1],[4]   4,830    
Interest Income [1],[4]   1,047    
Fee Income [1],[4]   0    
Total net change in unrealized appreciation (depreciation) [1],[4]   873    
Total net realized gain (loss) [1],[4]   $ 0    
[1] In accordance with Rules 3-09, 4-08(g), and Rule 10-01(b)(1) of Regulation S-X, (“Rule 3-09”, “Rule 4-08(g)”, and “Rule 10-01(b)(1)”, respectively), the Company must determine if its unconsolidated subsidiaries are considered “significant subsidiaries”. As of March 31, 2023 and March 31, 2022, there were no unconsolidated subsidiaries that are considered “significant subsidiaries”.
[2] All of the Company’s control and affiliate investments are Level 3 investments valued using significant unobservable inputs.
[3] All of the Company’s control and affiliate investments are Level 3 investments valued using significant unobservable inputs.
[4] As of September 30, 2022, Black Crow AI, Inc. and Pineapple Energy LLC were no longer affiliates as defined under the 1940 Act.