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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Investment portfolio: |  |
Fixed income, available-for-sale, at fair value (amortized cost, 2019 - $5,562,550; 2018 - $5,196,784) | $ 5,737,892 | $ 5,151,987
Equity securities, at fair value (cost, 2019 - $17,188; 2018 - $3,993) | 17,328 | 3,932
Other invested assets, at cost | 3,100 | 3,100
Total investment portfolio | 5,758,320 | 5,159,019
Cash and cash equivalents | 161,847 | 151,892
Restricted cash and cash equivalents | 7,209 | 3,146
Accrued investment income | 49,705 | 48,001
Reinsurance recoverable on loss reserves | 21,641 | 33,328
Reinsurance recoverable on paid losses | 1,521 | 2,948
Premiums receivable | 55,587 | 55,090
Home office and equipment, net | 50,121 | 51,734
Deferred insurance policy acquisition costs | 18,531 | 17,888
Deferred income taxes, net | 5,742 | 69,184
Other assets | 99,347 | 85,572
Total assets | 6,229,571 | 5,677,802
Liabilities: |  |
Loss reserves | 555,334 | 674,019
Unearned premiums | 380,302 | 409,985
Federal Home Loan Bank Advance | 155,000 | 155,000
Senior notes | 420,867 | 419,713
Convertible junior subordinated debentures | 256,872 | 256,872
Other liabilities | 151,962 | 180,322
Total liabilities | 1,920,337 | 2,095,911
Contingencies |  |
Shareholders' equity: |  |
Common stock (one dollar par value, shares authorized 1,000,000; shares issued 2019 - 371,353; 2018 - 371,353; outstanding 2019 - 347,308; 2018 - 355,371) | 371,353 | 371,353
Paid-in capital | 1,869,719 | 1,862,536
Treasury stock (shares at cost 2019 - 24,045; 2018 - 15,982) | (283,196) | (175,059)
Accumulated other comprehensive income (loss), net of tax | 72,708 | (124,214)
Retained earnings | 2,278,650 | 1,647,275
Total shareholders' equity | 4,309,234 | 3,581,891
Total liabilities and shareholders' equity | $ 6,229,571 | $ 5,677,802

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- Definition Amount, after valuation allowance, recoverable under reinsurance contracts for losses reported to the ceding insurer but not yet paid and amounts expected for incurred losses and settlement expenses, which have not yet been reported to the ceding insurer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=99404803&loc=d3e21412-158489 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=99397103&loc=d3e6824-158387 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
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