XML 63 R48.htm IDEA: XBRL DOCUMENT v3.22.4
Investments - Summary of Information Relating to Investments Measured at Fair Value for Company has Used Unobservable Inputs to Determine Fair Value (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Beginning balance $ 465,706 $ 385,005  
Transfers out of Level III (14,172) [1] (10,936) [2]  
Transfers into Level III 3,815 [3] 21,522 [4]  
Net accretion 13,098 28,660  
Purchases 152,878 303,983  
Sales/Paydowns/Return of Capital (117,184) (249,460)  
Total realized gain (loss) included in earnings (31,363) (6,051)  
Change in unrealized gain (loss) included in earnings 1,608 (7,017)  
Ending balance 471,170 465,706 $ 385,005
Changes in unrealized gains (losses) included in earnings related to investments still held at reporting date $ (18,595) $ (4,597)  
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Investment income Investment income Investment income
Debt securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Beginning balance $ 392,432 $ 334,245  
Transfers out of Level III (14,172) [1] (10,938) [2]  
Transfers into Level III 3,815 [3] 21,522 [4]  
Net accretion 9,054 23,906  
Purchases 146,017 274,406  
Sales/Paydowns/Return of Capital (108,369) (232,167)  
Total realized gain (loss) included in earnings (15,763) 568  
Change in unrealized gain (loss) included in earnings 2,870 (19,110)  
Ending balance 410,144 392,432 $ 334,245
Changes in unrealized gains (losses) included in earnings related to investments still held at reporting date (15,256) (8,356)  
Equity Securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Beginning balance 20,992 12,537  
Transfers out of Level III [2]   (2)  
Purchases 6,861 9,000  
Sales/Paydowns/Return of Capital (4,696) (4,738)  
Total realized gain (loss) included in earnings 1,257 (2,176)  
Change in unrealized gain (loss) included in earnings 2,509 6,367  
Ending balance 21,905 20,992 12,537
Changes in unrealized gains (losses) included in earnings related to investments still held at reporting date 2,250 3,355  
CLO Fund Securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Beginning balance 31,632 19,583  
Net accretion 4,044 4,754  
Purchases   18,077  
Sales/Paydowns/Return of Capital (6,194) (11,675)  
Total realized gain (loss) included in earnings (14,762) (5,323)  
Change in unrealized gain (loss) included in earnings 5,733 6,216  
Ending balance 20,453 31,632 19,583
Changes in unrealized gains (losses) included in earnings related to investments still held at reporting date 3,315 893  
Joint Ventures      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Beginning balance 23,062 19,749  
Purchases   2,500  
Change in unrealized gain (loss) included in earnings (4,394) 813  
Ending balance 18,668 23,062 19,749
Changes in unrealized gains (losses) included in earnings related to investments still held at reporting date (4,394) 813  
Derivatives      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Beginning balance (2,412) (1,109)  
Sales/Paydowns/Return of Capital 2,075 (880)  
Total realized gain (loss) included in earnings (2,095) 880  
Change in unrealized gain (loss) included in earnings 2,432 (1,303)  
Ending balance   (2,412) $ (1,109)
Changes in unrealized gains (losses) included in earnings related to investments still held at reporting date $ (10) $ (1,303)  
[1] Transfers out of Level III represent a transfer of $14.2 million relating to debt securities for which pricing inputs, other than their quoted prices in active markets were observable as of December 31, 2022.
[2] Transfers out of Level III represent a transfer of $10.9 million relating to debt securities for which pricing inputs, other than their quoted prices in active markets were observable as of December 31, 2021.
[3] Transfers into Level III represent a transfer of $3.8 million relating to debt securities for which pricing inputs, other than their quoted prices in active markets were unobservable as of December 31, 2022.
[4] Transfers into Level III represent a transfer of $21.5 million relating to debt securities for which pricing inputs, other than their quoted prices in active markets were unobservable as of December 31, 2021.