v3.25.2
CONSOLIDATED SCHEDULES OF INVESTMENTS (Parenthetical) 3
$ in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 29, 2016
Sep. 30, 2024
Dec. 31, 2024
Jun. 30, 2025
USD ($)
director
Jun. 30, 2024
USD ($)
director
Jun. 30, 2025
CAD ($)
director
Jun. 30, 2024
CAD ($)
director
Dec. 10, 2018
director
Schedule of Investments [Line Items]                
Fair Value       $ 6,673,516 [1] $ 7,718,243 [2]      
Residual Profit, New TLA and TLD       8.33% 8.33% 8.33% 8.33%  
TLC Residual Profits, In Arrears         100.00%   100.00%  
Investment, basis spread, variable rate, TLA and TLD       4.00%   4.00%    
Universal Turbine Parts, LLC                
Schedule of Investments [Line Items]                
Number of board of directors appointed | director       3 3 3 3 3
Vessel Company, LLC | Freedom Marine Solutions, LLC                
Schedule of Investments [Line Items]                
Ownership interest     100.00% 100.00%        
Vessel Company III, LLC | Freedom Marine Solutions, LLC                
Schedule of Investments [Line Items]                
Ownership interest     100.00% 100.00%        
Vessel Company II, LLC | Freedom Marine Solutions, LLC                
Schedule of Investments [Line Items]                
Ownership interest     100.00% 100.00%        
MITY, Inc. | MITY Holdings of Delaware Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Broda Enterprises ULC                
Schedule of Investments [Line Items]                
Fair Value           $ 7,371 $ 7,371  
Broda Enterprises ULC | MITY, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
MITY-Lite, Inc. | MITY, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Broda USA, Inc. | MITY, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
NPH Property Holdings, LLC                
Schedule of Investments [Line Items]                
Ownership interest       100.00%        
NPRC | NPH Property Holdings, LLC                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Nationwide Loan Company LLC | Nationwide Acceptance Holdings LLC                
Schedule of Investments [Line Items]                
Ownership interest       94.22% 94.48%      
NMMB, Inc. | NMMB Holdings, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       92.77% 92.77%      
NMMB, Inc. | Refuel Agency, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Armed Forces Communications, Inc. | NMMB, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Valley Electric Holdings II, Inc. | Valley Electric Holdings I, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Valley Electric Company, Inc. | Valley Electric Holdings II, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       94.99% 94.99%      
VE Company, Inc. | Valley Electric Company, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Valley Electric Co. of Mt. Vernon, Inc. | VE Company, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Subsidiaries | Reportable Legal Entities | Energy Solutions Holdings Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Subsidiaries | Reportable Legal Entities | MITY Holdings of Delaware Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Subsidiaries | Reportable Legal Entities | MITY FSC, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Subsidiaries | Reportable Legal Entities | NPH Property Holdings, LLC                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Subsidiaries | Reportable Legal Entities | Nationwide Acceptance Holdings LLC                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Subsidiaries | Reportable Legal Entities | NMMB Holdings, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Subsidiaries | Reportable Legal Entities | USES Corp.                
Schedule of Investments [Line Items]                
Ownership interest 99.96%     99.96% 99.96%      
Subsidiaries | Reportable Legal Entities | Valley Electric Holdings I, Inc.                
Schedule of Investments [Line Items]                
Ownership interest       100.00% 100.00%      
Subsidiaries | Reportable Legal Entities | Encinitas Watches Holdco, LLC                
Schedule of Investments [Line Items]                
Ownership interest       8.57% 8.57%      
Subsidiaries | Reportable Legal Entities | Pacific World Corporation                
Schedule of Investments [Line Items]                
Ownership interest   99.98%   99.99% 99.98%      
Preferred equity ownership interest       100.00% 100.00%      
[1] Fair value is determined by or under the direction of our Board of Directors. Unless otherwise indicated by endnote 42 below, all of our investments are valued using significant unobservable inputs. In accordance with ASC 820, such investments are classified as Level 3 within the fair value hierarchy. See Notes 2 and 3 within the accompanying notes to consolidated financial statements for further discussion.
[2] Fair value is determined by or under the direction of our Board of Directors. Unless otherwise indicated by endnote 42 below, all of our investments are valued using significant unobservable inputs. In accordance with ASC 820, such investments are classified as Level 3 within the fair value hierarchy. See Notes 2 and 3 within the accompanying notes to consolidated financial statements for further discussion.