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Schedule II - Financial Information of Registrant - Parent Company Statement of Cash Flows (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cash flows from operating activities |  |  |
Net cash provided by (used in) operating activities | $ (663,572) | $ 529,434 | $ 388,298
Proceeds from sales of: |  |  |
Trading securities | 0 | 9,123 | 8,868
Proceeds from redemptions of: |  |  |
Available for sale securities | 903,395 | 498,081 | 789,929
Trading securities | 17,081 | 1,707 | 102,121
Purchases of: |  |  |
Available for sale securities | (1,344,925) | (933,264) | (1,414,966)
Equity securities | (23,425) | (8,334) | (24,637)
Sales, redemptions and (purchases) of: |  |  |
Short-term investments, net | 153,243 | (251,662) | 150,694
Other assets, net | 1,115 | (45) | (6,887)
Net cash provided by (used in) investing activities | 327,746 | (300,842) | (5,175)
Cash flows from financing activities |  |  |
Dividends and dividend equivalents paid | (151,961) | (145,908) | (135,437)
Issuance of common stock | 928 | 1,755 | 1,341
Repurchases of common stock | (225,059) | (133,314) | (400,195)
Issuance of senior notes | 616,745 | 0 | 0
Redemption of senior notes | (977,079) | 0 | 0
Credit facility commitment fees paid | (812) | (904) | (814)
Proceeds (repayments) related to cash collateral for loaned securities, net | (23,641) | 49,629 | 51,083
Net cash provided by (used in) financing activities | 357,233 | (265,087) | (479,183)
Increase (decrease) in cash and restricted cash | 21,407 | (36,495) | (96,060)
Cash and restricted cash, beginning of period | 20,065 | 56,560 | 152,620
Cash and restricted cash, end of period | 41,472 | 20,065 | 56,560
Parent Company |  |  |
Cash flows from operating activities |  |  |
Net cash provided by (used in) operating activities | 246,885 | 194,607 | (71)
Proceeds from sales of: |  |  |
Available for sale securities | 18,423 | 129,650 | 56,934
Trading securities | 0 | 0 | 8,868
Equity securities | 38,375 | 60,755 | 0
Proceeds from redemptions of: |  |  |
Available for sale securities | 320,026 | 168,639 | 194,859
Trading securities | 23 | 0 | 0
Purchases of: |  |  |
Available for sale securities | (63,733) | (84,313) | (29,039)
Equity securities | (18,166) | (3,690) | (2,500)
Sales, redemptions and (purchases) of: |  |  |
Short-term investments, net | 339,819 | (135,657) | 188,149
Other assets, net | (158) | (10,664) | (3,851)
Capital distributions from subsidiaries | 500 | 7,000 | 32,512
Capital contributions to subsidiaries | (84,000) | (49,750) | (8,000)
Net cash provided by (used in) investing activities | 551,109 | 81,970 | 437,932
Cash flows from financing activities |  |  |
Dividends and dividend equivalents paid | (151,961) | (145,908) | (135,437)
Issuance of common stock | 928 | 1,755 | 1,341
Repurchases of common stock | (225,059) | (133,314) | (400,195)
Issuance of senior notes | 616,745 | 0 | 0
Redemption of senior notes | (977,079) | 0 | 0
Credit facility commitment fees paid | (812) | (904) | (814)
Proceeds (repayments) related to cash collateral for loaned securities, net | (57,174) | 2,122 | 60,270
Net cash provided by (used in) financing activities | (794,412) | (276,249) | (474,835)
Increase (decrease) in cash and restricted cash | 3,582 | 328 | (36,974)
Cash and restricted cash, beginning of period | 2,200 | 1,872 | 38,846
Cash and restricted cash, end of period | 5,782 | 2,200 | 1,872
Cash distributions received from consolidated subsidiaries | 243,000 | 191,000 | 50,000
Dividends received from consolidated subsidiaries | $ 432,000 | $ 218,000 | $ 888,000

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