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Schedule II - Condensed Financial Information of Registrant - Condensed Balance Sheets (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
ASSETS |  |  |  |
Cash and cash equivalents | $ 397,306 | $ 388,706 | $ 250,508 |
Available-for-sale debt securities, at fair value | 1,064,330 | 1,014,626 |  |
Equity Securities: | 80,495 | 85,469 |  |
Income taxes recoverable | 0 | 1,528 |  |
Deferred income tax asset, net | 43,175 | 57,258 |  |
Other assets | 22,628 | 18,312 |  |
Total assets | 2,316,561 | 2,890,154 |  |
LIABILITIES: |  |  |  |
Book overdraft | 14,597 | 0 |  |
Total liabilities | 1,975,264 | 2,602,258 |  |
STOCKHOLDERS’ EQUITY: |  |  |  |
Cumulative convertible preferred stock, $.01 par value Authorized shares - 1,000 Issued shares - 10 and 10 Outstanding shares - 10 and 10 Minimum liquidation preference - $9.99 and $9.99 per share | 0 | 0 |  |
Common stock, $.01 par value Authorized shares - 55,000 Issued shares - 47,179 and 47,018 Outstanding shares - 30,389 and 31,221 | 472 | 472 |  |
Treasury shares, at cost - 18,303 and 16,790 | (260,779) | (238,758) |  |
Additional paid-in capital | 115,086 | 112,509 |  |
Accumulated other comprehensive income (loss), net of taxes | (74,172) | (103,782) |  |
Retained earnings | 560,690 | 517,455 |  |
Total stockholders’ equity | 341,297 | 287,896 | $ 429,702 | $ 449,262
Total liabilities and stockholders’ equity | 2,316,561 | 2,890,154 |  |
Parent Company |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 164,855 | 83,022 |  |
Investments in subsidiaries and undistributed earnings | 153,329 | 139,386 |  |
Available-for-sale debt securities, at fair value | 5,950 | 3,997 |  |
Equity Securities: | 2,486 | 13,946 |  |
Income taxes recoverable | 0 | 1,507 |  |
Deferred income tax asset, net | (2,211) | 1,539 |  |
Intercompany note receivable | 157,711 | 143,792 |  |
Other assets | 769 | 398 |  |
Total assets | 482,889 | 387,587 |  |
LIABILITIES: |  |  |  |
Accounts payable | 0 | 50 |  |
Income taxes payable | 5,953 | 0 |  |
Book overdraft | 2 | 0 |  |
Dividends payable | 658 | 360 |  |
Long-term debt, net | 97,962 | 97,254 |  |
Other accrued expenses | 37,017 | 2,027 |  |
Total liabilities | 141,592 | 99,691 |  |
STOCKHOLDERS’ EQUITY: |  |  |  |
Cumulative convertible preferred stock, $.01 par value Authorized shares - 1,000 Issued shares - 10 and 10 Outstanding shares - 10 and 10 Minimum liquidation preference - $9.99 and $9.99 per share | 0 | 0 |  |
Common stock, $.01 par value Authorized shares - 55,000 Issued shares - 47,179 and 47,018 Outstanding shares - 30,389 and 31,221 | 472 | 472 |  |
Treasury shares, at cost - 18,303 and 16,790 | (260,779) | (238,758) |  |
Additional paid-in capital | 115,086 | 112,509 |  |
Accumulated other comprehensive income (loss), net of taxes | (74,172) | (103,782) |  |
Retained earnings | 560,690 | 517,455 |  |
Total stockholders’ equity | 341,297 | 287,896 |  |
Total liabilities and stockholders’ equity | $ 482,889 | $ 387,587 |  |

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