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Schedule II - Condensed Balance Sheets (Details) - USD ($) shares in Thousands, $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | --- | ---
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | $ 18,694 | $ 20,214 | $ 27,928 | $ 21,790
Fixed maturity securities, available-for-sale, at fair value | 88,957 | 103,341 |  |
Equity securities, at fair value | 48,489 | 47,367 |  |
Short-term investments | 32,787 | 23,780 |  |
Investments in affiliated companies | 6,589 | 5,439 | 4,744 |
Other investments | 12,436 | 12,032 |  |
Premiums and fees receivable | 12,128 | 10,031 |  |
Accrued interest and dividends | 946 | 1,100 |  |
Property, net | 10,304 | 10,173 |  |
Total Assets | 244,268 | 248,913 | 228,938 |
Accounts payable and accrued liabilities | 27,735 | 27,565 |  |
Deferred income taxes, net | 4,184 | 8,626 |  |
Total liabilities | 68,629 | 70,992 |  |
Preferred stock (1,000 authorized shares; no shares issued) | 0 | 0 |  |
Common stock – no par value (10,000 authorized shares; 1,887 and 1,886 shares issued and outstanding as of December 31, 2018 and December 31, 2017, respectively, excluding in each period 292 shares of common stock held by the Company) | 0 | 0 |  |
Retained earnings | 174,690 | 161,891 |  |
Accumulated other comprehensive income | 949 | 15,945 |  |
Total stockholders’ equity | 175,639 | 177,836 |  |
Total Liabilities and Stockholders’ Equity | $ 244,268 | $ 248,913 |  |
Preferred stock, shares authorized | 1,000 | 1,000 |  |
Preferred stock, shares issued | 0 | 0 |  |
Common stock, no par value |  |  |  |
Common stock, shares authorized | 10,000 | 10,000 |  |
Common stock, shares issued | 1,887 | 1,886 |  |
Common stock, shares outstanding | 1,887 | 1,886 |  |
Common stock, held by Company's subsidiary | 292 | 292 |  |
Parent Company |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | $ 1,540 | $ 5,872 | $ 10,178 | $ 8,347
Fixed maturity securities, available-for-sale, at fair value | 16,947 | 22,714 |  |
Equity securities, at fair value | 3,360 | 3,692 |  |
Short-term investments | 9,358 | 5,809 |  |
Investments in affiliated companies | 134,551 | 128,580 |  |
Other investments | 5,151 | 5,167 |  |
Prepaid expenses and other receivables | 1,846 | 1,724 |  |
Current income taxes receivable | 2,438 | 3,879 |  |
Accrued interest and dividends | 186 | 198 |  |
Property, net | 2,499 | 2,254 |  |
Total Assets | 177,876 | 179,889 |  |
Accounts payable and accrued liabilities | 2,190 | 1,916 |  |
Deferred income taxes, net | 47 | 137 |  |
Total liabilities | 2,237 | 2,053 |  |
Preferred stock (1,000 authorized shares; no shares issued) | 0 | 0 |  |
Common stock – no par value (10,000 authorized shares; 1,887 and 1,886 shares issued and outstanding as of December 31, 2018 and December 31, 2017, respectively, excluding in each period 292 shares of common stock held by the Company) | 0 | 0 |  |
Retained earnings | 174,690 | 161,891 |  |
Accumulated other comprehensive income | 949 | 15,945 |  |
Total stockholders’ equity | 175,639 | 177,836 |  |
Total Liabilities and Stockholders’ Equity | $ 177,876 | $ 179,889 |  |
Preferred stock, shares authorized | 1,000 | 1,000 |  |
Preferred stock, shares issued | 0 | 0 |  |
Common stock, no par value |  |  |  |
Common stock, shares authorized | 10,000 | 10,000 |  |
Common stock, shares issued | 1,887 | 1,886 |  |
Common stock, shares outstanding | 1,887 | 1,886 |  |
Common stock, held by Company's subsidiary | 291 | 291 |  |

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