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Note 7 - Underwriting Information - Schedule of Gross Written Premiums (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Gross written premiums | $ 313,998 | $ 253,128 | $ 838,406 | $ 642,751
Percentage of Gross Written Premiums | 100.00% | 100.00% | 100.00% | 100.00%
Palomar Specialty Insurance Company [Member] |  |  |  |
Gross written premiums | $ 186,693 | $ 136,814 | $ 497,216 | $ 357,156
Percentage of Gross Written Premiums | 59.50% | 54.00% | 59.30% | 55.60%
Palomar Excess And Surplus Insurance Company [Member] |  |  |  |
Gross written premiums | $ 127,305 | $ 116,314 | $ 341,190 | $ 285,595
Percentage of Gross Written Premiums | 40.50% | 46.00% | 40.70% | 44.40%
CALIFORNIA |  |  |  |
Gross written premiums | $ 163,806 | $ 131,016 | $ 450,752 | $ 292,865
Percentage of Gross Written Premiums | 52.20% | 51.80% | 53.80% | 45.60%
TEXAS |  |  |  |
Gross written premiums | $ 24,336 | $ 26,234 | $ 72,777 | $ 71,499
Percentage of Gross Written Premiums | 7.70% | 10.40% | 8.70% | 11.10%
WASHINGTON |  |  |  |
Gross written premiums | $ 17,792 | $ 13,573 | $ 43,409 | $ 29,391
Percentage of Gross Written Premiums | 5.70% | 5.40% | 5.20% | 4.60%
HAWAII |  |  |  |
Gross written premiums | $ 13,490 | $ 10,998 | $ 35,824 | $ 29,729
Percentage of Gross Written Premiums | 4.30% | 4.30% | 4.30% | 4.60%
FLORIDA |  |  |  |
Gross written premiums | $ 11,549 | $ 7,445 | $ 36,309 | $ 27,216
Percentage of Gross Written Premiums | 3.70% | 2.90% | 4.30% | 4.20%
OREGON |  |  |  |
Gross written premiums | $ 8,536 | $ 7,738 | $ 21,223 | $ 16,483
Percentage of Gross Written Premiums | 2.70% | 3.10% | 2.50% | 2.60%
ILLINOIS |  |  |  |
Gross written premiums | $ 6,502 | $ 4,204 | $ 15,675 | $ 13,153
Percentage of Gross Written Premiums | 2.10% | 1.70% | 1.90% | 2.00%
TENNESSEE |  |  |  |
Gross written premiums | $ 5,562 | $ 1,810 | $ 9,233 | $ 4,247
Percentage of Gross Written Premiums | 1.80% | 0.70% | 1.10% | 0.70%
Other States [Member] |  |  |  |
Gross written premiums | $ 62,425 | $ 50,110 | $ 153,204 | $ 158,168
Percentage of Gross Written Premiums | 19.80% | 19.80% | 18.20% | 24.60%
Fronting Premium [Member] |  |  |  |
Gross written premiums | $ 106,581 | $ 82,232 | $ 278,548 | $ 154,232
Percentage of Gross Written Premiums | 33.90% | 32.50% | 33.20% | 24.00%
Residential Earthquake [Member] |  |  |  |
Gross written premiums | $ 69,220 | $ 59,569 | $ 190,048 | $ 159,995
Percentage of Gross Written Premiums | 22.00% | 23.50% | 22.70% | 24.90%
Commercial Earthquake [Member] |  |  |  |
Gross written premiums | $ 44,166 | $ 32,647 | $ 124,763 | $ 90,894
Percentage of Gross Written Premiums | 14.10% | 12.90% | 14.90% | 14.10%
Inland Marine [Member] |  |  |  |
Gross written premiums | $ 37,252 | $ 30,842 | $ 103,841 | $ 72,214
Percentage of Gross Written Premiums | 11.90% | 12.20% | 12.40% | 11.20%
Casualty [Member] |  |  |  |
Gross written premiums | $ 20,165 | $ 12,888 | $ 50,144 | $ 25,697
Percentage of Gross Written Premiums | 6.40% | 5.10% | 6.00% | 4.00%
Hawaii Hurricane [Member] |  |  |  |
Gross written premiums | $ 11,051 | $ 9,425 | $ 28,718 | $ 24,579
Percentage of Gross Written Premiums | 3.50% | 3.70% | 3.40% | 3.80%
Commercial All Risk [Member] |  |  |  |
Gross written premiums | $ 6,624 | $ 9,224 | $ 26,769 | $ 41,647
Percentage of Gross Written Premiums | 2.10% | 3.60% | 3.20% | 6.50%
Flood Insurance Product [Member] |  |  |  |
Gross written premiums | $ 5,259 | $ 3,871 | $ 14,964 | $ 10,448
Percentage of Gross Written Premiums | 1.70% | 1.50% | 1.80% | 1.60%
Specialty Homeowners [Member] |  |  |  |
Gross written premiums |  | $ (94) | $ (99) | $ 30,082
Percentage of Gross Written Premiums | (0.00%) | (0.00%) | (0.00%) | 4.70%
Specialty Homeowners | $ (2) |  |  |
Service, Other [Member] |  |  |  |
Gross written premiums | $ 13,682 | $ 12,524 | $ 20,710 | $ 32,963
Percentage of Gross Written Premiums | 4.40% | 5.00% | 2.40% | 5.20%

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