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v3.23.2

Fair Value of Financial Instruments - Changes in Level 3 Portfolio Investments Rollforward (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, after Tax | Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, after Tax | Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, after Tax | Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, after Tax
Total |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | $ 1,629,058 | $ 1,706,556 | $ 1,716,054 | $ 1,632,922
Investments purchased | 111,557 | 179,201 | 188,242 | 322,741
Accretion of discount | 2,601 | 2,478 | 6,943 | 4,974
Sales and principal repayments | (87,971) | (109,553) | (200,231) | (170,585)
Ending balance | 1,660,246 | 1,760,395 | 1,660,246 | 1,760,395
Change in net unrealized appreciation (depreciation) on investments | 6,732 | (21,338) | (31,031) | (31,058)
Total | Debt and Equity Securities, Realized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | (18,928) | 180 | (23,453) | 111
Total | Debt and Equity Securities, Unrealized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | 23,929 | (18,467) | (27,309) | (29,768)
Senior Secured First Lien Debt |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 1,472,453 | 1,597,364 | 1,579,512 | 1,526,989
Investments purchased | 77,961 | 175,707 | 118,713 | 317,499
Accretion of discount | 2,541 | 2,131 | 6,810 | 4,535
Sales and principal repayments | (87,870) | (93,196) | (200,045) | (154,038)
Ending balance | 1,468,630 | 1,660,828 | 1,468,630 | 1,660,828
Change in net unrealized appreciation (depreciation) on investments | 5,280 | (21,519) | (22,169) | (34,992)
Senior Secured First Lien Debt | Debt and Equity Securities, Realized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | (13,163) | (34) | (17,674) | (107)
Senior Secured First Lien Debt | Debt and Equity Securities, Unrealized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | 16,708 | (21,144) | (18,686) | (34,050)
Senior Secured Second Lien Debt |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 38,997 | 36,875 | 38,769 | 38,583
Investments purchased | 0 | 1,836 | 0 | 1,836
Accretion of discount | 56 | 344 | 125 | 432
Sales and principal repayments | (5) | (15,000) | (9) | (15,000)
Ending balance | 39,544 | 27,086 | 39,544 | 27,086
Change in net unrealized appreciation (depreciation) on investments | 496 | 525 | 659 | 873
Senior Secured Second Lien Debt | Debt and Equity Securities, Realized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | 0 | 10 | 0 | 14
Senior Secured Second Lien Debt | Debt and Equity Securities, Unrealized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | 496 | 3,021 | 659 | 1,221
Collateralized securities and structured products - equity |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 1,133 | 2,632 | 1,179 | 2,998
Investments purchased | 0 | 0 | 0 | 0
Accretion of discount | 0 | 0 | 0 | 0
Sales and principal repayments | (96) | (854) | (177) | (1,044)
Ending balance | 1,046 | 1,602 | 1,046 | 1,602
Change in net unrealized appreciation (depreciation) on investments | 9 | (176) | 44 | (352)
Collateralized securities and structured products - equity | Debt and Equity Securities, Realized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | 0 | 0 | 0 | 0
Collateralized securities and structured products - equity | Debt and Equity Securities, Unrealized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | 9 | (176) | 44 | (352)
Unsecured debt |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 15,517 | 27,280 | 22,643 | 26,616
Investments purchased | 4,200 | 650 | 4,200 | 1,273
Accretion of discount | 4 | 3 | 8 | 7
Sales and principal repayments | 0 | 0 | 0 | 0
Ending balance | 17,301 | 27,994 | 17,301 | 27,994
Change in net unrealized appreciation (depreciation) on investments | (2,420) | 61 | (9,550) | 98
Unsecured debt | Debt and Equity Securities, Realized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | 0 | 0 |  | 0
Unsecured debt | Debt and Equity Securities, Unrealized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | (2,420) | 61 | (9,550) | 98
Equity |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 100,958 | 42,405 | 73,951 | 37,736
Investments purchased | 29,396 | 1,008 | 65,329 | 2,133
Accretion of discount | 0 | 0 | 0 | 0
Sales and principal repayments | 0 | (503) | 0 | (503)
Ending balance | 133,725 | 42,885 | 133,725 | 42,885
Change in net unrealized appreciation (depreciation) on investments | 3,367 | (229) | (15) | 3,315
Equity | Debt and Equity Securities, Realized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | (5,765) | 204 | (5,779) | 204
Equity | Debt and Equity Securities, Unrealized Gain (Loss) |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Total gains or losses included in earnings | $ 9,136 | $ (229) | $ 224 | $ 3,315

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- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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