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Consolidated Statements Of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income (loss) | $ 96,336 | $ (512,672) | $ 247,937
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 72,240 | 82,390 | 79,056
Net realized investment (gains) losses | (101,014) | 488,080 | (111,658)
Net (gains) losses on sales of fixed assets | (5,879) | 86 | (17)
Loss on property held for sale | 0 | 841 | 0
(Increase) decrease in premiums receivable | (35,615) | 49,630 | (26,670)
(Increase) decrease in reinsurance recoverables | (6,052) | 19,105 | 3,488
Changes in current and deferred income taxes | 60,945 | (131,500) | (18,097)
Increase in deferred policy acquisition costs | (27,369) | (8,216) | (11,265)
Increase in loss and loss adjustment expense reserves | 200,792 | 358,480 | 235,126
Increase in unearned premiums | 190,021 | 25,840 | 113,926
Increase (decrease) in accounts payable and accrued expenses | 23,162 | (15,844) | (26,724)
Other, net | (14,579) | (3,631) | 16,482
Net cash provided by operating activities | 452,988 | 352,589 | 501,584
Fixed maturity securities available for sale in nature: |  |  |
Purchases | (784,752) | (1,794,817) | (1,460,641)
Sales | 276,805 | 856,291 | 336,201
Calls or maturities | 294,309 | 480,023 | 518,557
Equity securities available for sale in nature: |  |  |
Purchases | (1,356,493) | (1,042,913) | (958,008)
Sales | 1,356,132 | 1,154,523 | 943,857
Changes in securities payable and receivable | (36,435) | 22,124 | 8,327
(Increase) decrease in short-term investments | (48,446) | 38,141 | 270,383
Purchases of fixed assets | (36,810) | (35,508) | (41,442)
Sales of fixed assets | 29,876 | 3 | 27
Other, net | 10,377 | 5,749 | 9,069
Net cash used in investing activities | (295,437) | (316,384) | (373,670)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Dividends paid to shareholders | (70,322) | (105,482) | (140,226)
Proceeds from stock options exercised | 0 | 0 | 215
Payments on finance lease obligations | (1,102) | (1,504) | (825)
Proceeds from bank loan | 175,000 | 25,000 | 0
Net cash provided by (used in) financing activities | 103,576 | (81,986) | (140,836)
Net increase (decrease) in cash | 261,127 | (45,781) | (12,922)
Cash: |  |  |
Beginning of year | 289,776 | 335,557 | 348,479
End of year | 550,903 | 289,776 | 335,557
SUPPLEMENTAL CASH FLOW DISCLOSURE |  |  |
Interest paid | 23,000 | 16,665 | 16,616
Income taxes paid (refunded), net | $ (57,853) | $ (26,542) | $ 69,467

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