v3.25.2
Transactions with Controlled Companies - CP Energy Services Inc. (Details) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Dec. 31, 2019
Jun. 30, 2019
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Investment, fair value     $ 6,673,516 [1] $ 7,718,243 [2]  
Interest Income     671,109 770,312 $ 760,785
Interest Receivable     25,144 26,936  
Spartan Energy Services, LLC | Spartan Term Loans          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Investment, fair value     $ 51,477 $ 41,177  
CP Holdings of Delaware LLC | CP Energy Services Inc.          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest     99.80% 99.80%  
CP Energy Services Inc. | CP Well          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest     100.00% 100.00%  
CP Energy Services Inc. | Wright Foster Disposals, LLC          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest     100.00% 100.00%  
CP Energy Services Inc. | Foster Testing Co., Inc.          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest     100.00% 100.00%  
CP Energy Services Inc. | ProHaul Transports, LLC          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest     100.00% 100.00%  
CP Energy Services Inc. | Wright Trucking, Inc.          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest     100.00% 100.00%  
CP Energy Services Inc. | Wolf Energy          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest 100.00%        
Spartan Energy Holdings, Inc. | Spartan Energy Services, LLC          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest   100.00%      
Wolf Energy Holdings, Inc. | Appalachian Energy LLC          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest 100.00%        
Wolf Energy Holdings, Inc. | Wolf Energy, LLC          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest 100.00%        
Wolf Energy Holdings, Inc. | Wolf Energy Services Company, LLC          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest 100.00%        
Reportable Legal Entities | Subsidiaries | CP Holdings of Delaware LLC          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Ownership interest     100.00% 100.00%  
Reportable Legal Entities | Subsidiaries | CP Energy Services Inc.          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Interest Income     $ 18,563 $ 16,292 11,479
Reimbursement of Legal, Tax, etc     35 99 237
Additions     15,531 7,469 12,500
Total Interest Income Capitalized as PIK     9,944 12,409 11,464
Interest Receivable     55 3,923  
Other Receivables     778 539  
Reportable Legal Entities | Subsidiaries | CP Energy Services Inc. | CP Energy Services Inc.          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Interest Income     12,550 11,452 7,969
Additions     9,600 2,900 10,000
Total Interest Income Capitalized as PIK     5,574 8,455 7,958
Reportable Legal Entities | Subsidiaries | CP Energy Services Inc. | Spartan Energy Services, LLC          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Interest Income     6,013 4,840 3,510
Additions     5,931 4,569 2,500
Total Interest Income Capitalized as PIK     4,370 3,954 3,506
Reportable Legal Entities | Subsidiaries | Credit Central Loan Company, LLC          
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]          
Interest Income     8,711 8,207 8,040
Additions     0 0 6,200
Total Interest Income Capitalized as PIK     7,949 4,882 $ 7,237
Interest Receivable     26 0  
Other Receivables     $ 11 $ 0  
[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.