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Fair Value - Level III Rollforward (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Total |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | $ 3,136,291 | $ 2,843,456
Purchases, including capitalized PIK and revolver fundings | 130,933 | 172,371
Proceeds from sales and paydowns of investments | (90,638) | (101,580)
Transfers into Level III |  | 151,175
Transfers out of Level III |  | (27,441)
Ending balance | 3,184,377 | 3,046,993
Unrealized appreciation (depreciation) for the period relating to those Level III assets that were still held by the Company at the end of the period: | (6,956) | (10,267)
Total | Net realized gains (losses) on investments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Total gains or losses included in earnings | 708 | 19,164
Total | Net change in unrealized appreciation (depreciation) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Total gains or losses included in earnings | 7,083 | (10,152)
First lien |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 1,753,967 | 1,635,143
Purchases, including capitalized PIK and revolver fundings | 117,905 | 155,395
Proceeds from sales and paydowns of investments | (71,263) | (53,073)
Transfers into Level III |  | 0
Transfers out of Level III |  | (27,441)
Ending balance | 1,798,746 | 1,711,500
Unrealized appreciation (depreciation) for the period relating to those Level III assets that were still held by the Company at the end of the period: | (2,055) | 1,438
First lien | Net realized gains (losses) on investments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Total gains or losses included in earnings | (13,956) | (77)
First lien | Net change in unrealized appreciation (depreciation) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Total gains or losses included in earnings | 12,093 | 1,553
Second lien |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 480,068 | 319,120
Purchases, including capitalized PIK and revolver fundings | 945 | 7,351
Proceeds from sales and paydowns of investments | 0 | (14,500)
Transfers into Level III |  | 151,175
Transfers out of Level III |  | 0
Ending balance | 480,398 | 446,914
Unrealized appreciation (depreciation) for the period relating to those Level III assets that were still held by the Company at the end of the period: | 4,096 | (16,232)
Second lien | Net realized gains (losses) on investments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Total gains or losses included in earnings | (4,711) | 0
Second lien | Net change in unrealized appreciation (depreciation) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Total gains or losses included in earnings | 4,096 | (16,232)
Subordinated |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 72,842 | 50,742
Purchases, including capitalized PIK and revolver fundings | 1,769 | 5,533
Proceeds from sales and paydowns of investments | 0 | 0
Transfers into Level III |  | 0
Transfers out of Level III |  | 0
Ending balance | 74,348 | 54,867
Unrealized appreciation (depreciation) for the period relating to those Level III assets that were still held by the Company at the end of the period: | (156) | (1,408)
Subordinated | Net realized gains (losses) on investments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Total gains or losses included in earnings | 0 | 0
Subordinated | Net change in unrealized appreciation (depreciation) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Total gains or losses included in earnings | (263) | (1,408)
Equity and other |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 829,414 | 838,451
Purchases, including capitalized PIK and revolver fundings | 10,314 | 4,092
Proceeds from sales and paydowns of investments | (19,375) | (34,007)
Transfers into Level III |  | 0
Transfers out of Level III |  | 0
Ending balance | 830,885 | 833,712
Unrealized appreciation (depreciation) for the period relating to those Level III assets that were still held by the Company at the end of the period: | (8,841) | 5,935
Equity and other | Net realized gains (losses) on investments |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Total gains or losses included in earnings | 19,375 | 19,241
Equity and other | Net change in unrealized appreciation (depreciation) |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Total gains or losses included in earnings | $ (8,843) | $ 5,935

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