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v3.23.1

Portfolio Company Investments - Schedule of Consolidated Schedule of Investments in and Advances to Affiliates (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Control Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Principal Amount - Debt Investments | $ 14,576 | $ 14,576
Fair Value, beginning balance |  | 2,151
Gross Additions |  | 20,174
Gross Reductions |  | (22,325)
Net Realized Gain (Losses) |  | (158)
Net Change in Unrealized Appreciation (Depreciation) |  | (13,233)
Affiliate Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Principal Amount - Debt Investments | 34,602 | 34,602
Fair Value, beginning balance | 101,590 | 137,284
Gross Additions | 1,517 | 70,477
Gross Reductions | (4,070) | (106,171)
Fair Value, ending balance | 99,037 | 101,590
Net Realized Gain (Losses) |  | 39,833
Net Change in Unrealized Appreciation (Depreciation) | (2,489) | (35,979)
Interest Income | 1,050 | 3,464
Payment-in-kind Interest Income |  | 30
Dividend Income | 348 | 725
Fee Income | 5 | 457
EBL, LLC (EbLens) | Control Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Principal Amount - Debt Investments | 9,350 | 9,350
Gross Additions |  | 19,628
Gross Reductions |  | (19,628)
Net Change in Unrealized Appreciation (Depreciation) |  | (11,083)
Hilco Plastics Holdings, LLC (dba Hilco Technologies) | Control Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Gross Additions |  | 353
Gross Reductions |  | (353)
Net Realized Gain (Losses) |  | (352)
Mesa Line Services, LLC | Control Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Fair Value, beginning balance |  | 2,151
Gross Additions |  | 193
Gross Reductions |  | (2,344)
Net Realized Gain (Losses) |  | 194
Net Change in Unrealized Appreciation (Depreciation) |  | (2,150)
US GreenFiber, LLC | Control Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Principal Amount - Debt Investments | 5,226 | 5,226
Applegate Greenfiber Intermediate Inc. (fka US GreenFiber, LLC) | Affiliate Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Principal Amount - Debt Investments | 9,602 | 9,602
Fair Value, beginning balance | 23,168 | 22,405
Gross Additions | 377 | 13,566
Gross Reductions |  | (12,803)
Fair Value, ending balance | 23,545 | 23,168
Net Change in Unrealized Appreciation (Depreciation) | 378 | 763
Interest Income | 240 | 973
FAR Research Inc. | Affiliate Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Fair Value, beginning balance |  | 28
Gross Reductions |  | (28)
Net Change in Unrealized Appreciation (Depreciation) |  | (28)
Medsurant Holdings, LLC | Affiliate Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Fair Value, beginning balance | 2,540 | 3,662
Gross Additions | 407 |
Gross Reductions | (73) | (1,122)
Fair Value, ending balance | 2,874 | 2,540
Net Change in Unrealized Appreciation (Depreciation) | 407 | (1,122)
Mirage Trailers LLC | Affiliate Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Fair Value, beginning balance |  | 10,675
Gross Additions |  | 355
Gross Reductions |  | (11,030)
Net Realized Gain (Losses) |  | 324
Net Change in Unrealized Appreciation (Depreciation) |  | (1,694)
Interest Income |  | 248
Payment-in-kind Interest Income |  | 29
Fee Income |  | 132
Pfanstiehl, Inc | Affiliate Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Principal Amount - Debt Investments | 10,000 | 10,000
Fair Value, beginning balance | 51,992 | 57,639
Gross Additions | 2 | 34,335
Gross Reductions | (1,019) | (39,982)
Fair Value, ending balance | 50,975 | 51,992
Net Realized Gain (Losses) |  | 24,330
Net Change in Unrealized Appreciation (Depreciation) | (1,021) | (15,432)
Interest Income | 249 | 421
Dividend Income | 348 |
Fee Income |  | 150
Pinnergy, Ltd. | Affiliate Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Fair Value, beginning balance |  | 21,178
Gross Additions |  | 15,300
Gross Reductions |  | (36,478)
Net Realized Gain (Losses) |  | 15,300
Net Change in Unrealized Appreciation (Depreciation) |  | (18,177)
Dividend Income |  | 656
Spectra A&D Acquisition, Inc. (fka FDS Avionics Corp.) | Affiliate Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Principal Amount - Debt Investments | 15,000 | 15,000
Fair Value, beginning balance | 19,118 | 18,359
Gross Additions | 6 | 5,487
Gross Reductions | (2,978) | (4,728)
Fair Value, ending balance | 16,146 | 19,118
Net Realized Gain (Losses) |  | (121)
Net Change in Unrealized Appreciation (Depreciation) | (2,978) | (1,723)
Interest Income | 561 | 1,822
Fee Income | 5 | 175
Steward Holding LLC (dba Steward Advanced Materials) | Affiliate Investments |  |
Investments in and Advances to Affiliates [Line Items] |  |
Fair Value, beginning balance | 4,772 | 3,338
Gross Additions | 725 | 1,434
Fair Value, ending balance | 5,497 | 4,772
Net Change in Unrealized Appreciation (Depreciation) | $ 725 | 1,434
Payment-in-kind Interest Income |  | 1
Dividend Income |  | $ 69

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