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Consolidated Balance Sheets - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Investments: |  |
Fixed income securities, held-to-maturity – at carrying value (fair value: $19,183 – 2024; $21,923 – 2023) | $ 20,295 | $ 22,700
Less: allowance for credit losses | 0 | 0
Fixed income securities, held-to-maturity, net of allowance for credit losses | 20,295 | 22,700
Fixed income securities, available-for-sale – at fair value (allowance for credit losses: $30,381 – 2024 and $28,212 – 2023; amortized cost: $7,983,271 – 2024 and $7,880,697 – 2023) | 7,583,504 | 7,499,197
Commercial mortgage loans – at carrying value (fair value: $197,807 – 2024 and $178,913 – 2023) | 208,152 | 188,708
Less: allowance for credit losses | (122) | (291)
Commercial mortgage loans, net of allowance for credit losses | 208,030 | 188,417
Equity securities – at fair value (cost: $189,549 – 2024; $183,076 – 2023) | 194,320 | 187,155
Short-term investments | 247,883 | 309,317
Alternative investments | 402,689 | 395,779
Other investments | 88,960 | 91,164
Total investments (Note 4 and 5) | 8,745,681 | 8,693,729
Cash | 124 | 180
Restricted cash | 11,720 | 13,092
Accrued investment income | 68,034 | 66,339
Premiums receivable | 1,459,112 | 1,331,979
Less: allowance for credit losses (Note 6) | (20,000) | (18,900)
Premiums receivable, net of allowance for credit losses | 1,439,112 | 1,313,079
Reinsurance recoverable | 653,085 | 658,525
Less: allowance for credit losses (Note 7) | (1,700) | (1,700)
Reinsurance recoverable, net of allowance for credit losses | 651,385 | 656,825
Prepaid reinsurance premiums | 207,979 | 203,320
Deferred federal income tax | 144,719 | 140,237
Property and equipment – at cost, net of accumulated depreciation and amortization of: $277,945 – 2024; $271,409 – 2023 | 82,703 | 83,272
Deferred policy acquisition costs | 448,340 | 424,864
Goodwill | 7,849 | 7,849
Other assets | 248,469 | 199,760
Total assets | 12,056,115 | 11,802,546
Liabilities: |  |
Reserve for loss and loss expense (Note 8) | 5,501,750 | 5,336,911
Unearned premiums | 2,440,992 | 2,330,656
Long-term debt | 503,305 | 503,946
Current federal income tax | 26,530 | 6,251
Accrued salaries and benefits | 97,918 | 122,003
Other liabilities | 479,126 | 548,398
Total liabilities | 9,049,621 | 8,848,165
Stockholders’ Equity: |  |
Preferred stock of $0 par value per share: Authorized shares 5,000,000; Issued shares: 8,000 with $25,000 liquidation preference per share - 2024 and 2023 | 200,000 | 200,000
Common stock of $2 par value per share: Authorized shares 360,000,000; Issued: 105,447,377 - 2024; 105,223,307 - 2023 | 210,895 | 210,447
Additional paid-in capital | 534,327 | 522,748
Retained earnings | 3,088,150 | 3,029,396
Accumulated other comprehensive income (loss) (Note 11) | (384,972) | (373,001)
Treasury stock – at cost (shares: 44,655,938 – 2024; 44,586,870 – 2023) | (641,906) | (635,209)
Total stockholders’ equity | 3,006,494 | 2,954,381
Commitments and contingencies |  |
Total liabilities and stockholders’ equity | $ 12,056,115 | $ 11,802,546

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X
- Definition Carrying amount of premiums written on insurance contracts that have not been earned as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(13)(a)(2)) -SubTopic 210 -Topic 944 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 + Details
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