Loss and Loss Adjustment Expense Reserves - Incurred and paid claims development (Details)	Dec. 31, 2022 USD ($) claim	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
incurred and paid claims development
Liabilities for claims and claims adjustment expenses, net of reinsurance	$ 426,739,000
Private Passenger Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	1,645,211,000
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	1,468,747,000
All outstanding liabilities before 2012, net of reinsurance	346,000		$ 346,000
Liabilities for claims and claims adjustment expenses, net of reinsurance	176,810,000
Private Passenger Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	1,226,174,000
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	1,229,061,000
Liabilities for claims and claim adjustment expenses, net of reinsurance	(2,887,000)
Commercial Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	370,854,000
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	275,506,000
Liabilities for claims and claims adjustment expenses, net of reinsurance	95,348,000
Commercial Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	186,919,000
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	183,730,000
Liabilities for claims and claims adjustment expenses, net of reinsurance	3,189,000
Homeowners Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	92,006,000
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	49,766,000
Liabilities for claims and claims adjustment expenses, net of reinsurance	42,240,000
Homeowners Property Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	753,274,000
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	715,078,000
All outstanding liabilities before 2012, net of reinsurance	1,030,000	$ 1,030,000
Liabilities for claims and claims adjustment expenses, net of reinsurance	39,226,000
2013 | Private Passenger Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	175,374,000	175,362,000	175,718,000	$ 175,684,000	$ 176,713,000	$ 179,167,000	$ 181,492,000	$ 183,264,000	$ 183,517,000	$ 183,367,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (84,000)
Cumulative Number of Reported claims | claim	54,248
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 174,858,000	174,639,000	174,574,000	173,890,000	172,736,000	169,634,000	163,694,000	152,472,000	135,031,000	79,049,000
2013 | Private Passenger Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	$ 111,970,000	111,989,000	112,003,000	112,029,000	112,060,000	112,096,000	112,197,000	113,034,000	114,239,000	114,389,000
Cumulative Number of Reported claims | claim	131,703
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 111,970,000	111,988,000	112,003,000	112,029,000	112,060,000	112,085,000	112,162,000	112,894,000	115,904,000	120,843,000
2013 | Commercial Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	25,052,000	25,140,000	25,353,000	25,443,000	25,986,000	26,310,000	26,864,000	28,377,000	29,541,000	29,175,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 1,000
Cumulative Number of Reported claims	5,784
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 24,799,000	24,789,000	24,732,000	24,507,000	23,867,000	22,434,000	21,129,000	19,625,000	17,079,000	8,502,000
2013 | Commercial Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	$ 13,055,000	13,057,000	13,057,000	13,071,000	13,047,000	13,057,000	13,180,000	13,298,000	13,567,000	13,666,000
Cumulative Number of Reported claims | claim	12,298
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 13,055,000	13,057,000	13,057,000	13,066,000	13,060,000	13,065,000	13,074,000	13,114,000	13,378,000	12,665,000
2013 | Homeowners Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	$ 5,096,000	5,167,000	5,147,000	5,147,000	5,312,000	5,978,000	7,578,000	9,337,000	9,768,000	9,768,000
Cumulative Number of Reported claims | claim	265
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 4,267,000	4,255,000	4,247,000	4,209,000	4,038,000	3,829,000	3,493,000	3,080,000	2,337,000	527,000
2013 | Homeowners Property Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	49,453,000	49,455,000	49,456,000	49,463,000	49,973,000	51,077,000	52,464,000	55,722,000	56,199,000	56,298,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 126,000
Cumulative Number of Reported claims | claim	5,698
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 49,328,000	49,327,000	49,327,000	49,328,000	49,620,000	49,653,000	49,612,000	49,702,000	48,456,000	$ 38,661,000
2014 | Private Passenger Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	179,264,000	179,268,000	179,267,000	179,251,000	181,312,000	183,119,000	186,798,000	187,104,000	187,305,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (336,000)
Cumulative Number of Reported claims | claim	52,787
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 178,324,000	177,968,000	177,360,000	176,616,000	173,163,000	166,815,000	156,693,000	136,434,000	79,151,000
2014 | Private Passenger Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	$ 122,163,000	122,182,000	122,188,000	122,213,000	122,341,000	122,327,000	122,410,000	123,622,000	123,421,000
Cumulative Number of Reported claims | claim	135,006
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 122,163,000	122,189,000	122,216,000	122,251,000	122,350,000	122,402,000	122,668,000	126,414,000	130,732,000
2014 | Commercial Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	32,313,000	32,052,000	32,200,000	32,438,000	32,948,000	33,914,000	34,376,000	34,105,000	34,117,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 2,000
Cumulative Number of Reported claims	6,086
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 32,085,000	31,451,000	31,298,000	30,420,000	27,886,000	25,253,000	21,968,000	17,853,000	9,426,000
2014 | Commercial Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	$ 15,376,000	15,376,000	15,373,000	15,381,000	15,353,000	15,419,000	15,455,000	16,925,000	17,426,000
Cumulative Number of Reported claims | claim	13,545
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 15,376,000	15,376,000	15,373,000	15,376,000	15,381,000	15,388,000	15,424,000	15,862,000	15,377,000
2014 | Homeowners Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	$ 6,620,000	6,818,000	6,984,000	6,984,000	7,120,000	7,388,000	9,738,000	11,494,000	11,494,000
Cumulative Number of Reported claims | claim	261
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 6,419,000	6,419,000	6,368,000	6,315,000	4,828,000	4,200,000	3,212,000	1,834,000	340,000
2014 | Homeowners Property Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	54,556,000	54,560,000	54,602,000	54,607,000	55,127,000	57,331,000	59,751,000	60,213,000	59,160,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 251,000
Cumulative Number of Reported claims | claim	6,077
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 54,306,000	54,305,000	54,306,000	54,274,000	54,262,000	54,224,000	54,088,000	52,161,000	$ 40,409,000
2015 | Private Passenger Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	178,951,000	179,248,000	179,451,000	181,299,000	184,477,000	188,317,000	190,236,000	190,036,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (204,000)
Cumulative Number of Reported claims | claim	52,980
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 178,357,000	177,782,000	176,652,000	173,816,000	168,641,000	156,483,000	138,255,000	76,934,000
2015 | Private Passenger Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	133,552,000	133,523,000	133,530,000	133,581,000	133,737,000	134,101,000	136,661,000	140,219,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (3,000)
Cumulative Number of Reported claims | claim	144,276
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 133,555,000	133,575,000	133,596,000	133,639,000	133,701,000	134,066,000	136,760,000	143,532,000
2015 | Commercial Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	37,630,000	37,995,000	38,257,000	38,015,000	37,730,000	36,610,000	36,150,000	35,371,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (62,000)
Cumulative Number of Reported claims	7,212
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 35,302,000	34,976,000	33,416,000	31,537,000	29,804,000	26,018,000	21,700,000	11,181,000
2015 | Commercial Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	$ 18,523,000	18,525,000	18,535,000	18,641,000	18,974,000	19,021,000	19,047,000	20,223,000
Cumulative Number of Reported claims | claim	15,468
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 18,523,000	18,525,000	18,530,000	18,541,000	18,549,000	18,667,000	18,910,000	17,787,000
2015 | Homeowners Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	7,582,000	8,172,000	9,201,000	9,201,000	9,201,000	9,908,000	12,555,000	12,965,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 117,000
Cumulative Number of Reported claims | claim	288
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 7,302,000	7,215,000	7,022,000	6,445,000	5,205,000	4,267,000	3,319,000	428,000
2015 | Homeowners Property Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	162,244,000	162,244,000	162,354,000	162,722,000	162,788,000	162,377,000	152,049,000	152,586,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 462,000
Cumulative Number of Reported claims | claim	20,076
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 161,781,000	161,783,000	161,850,000	161,773,000	161,745,000	160,572,000	145,337,000	$ 112,563,000
2016 | Private Passenger Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	176,700,000	176,600,000	177,009,000	180,486,000	185,009,000	192,318,000	192,912,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (392,000)
Cumulative Number of Reported claims | claim	49,386
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 175,803,000	174,410,000	171,865,000	167,458,000	154,964,000	137,917,000	78,862,000
2016 | Private Passenger Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	121,615,000	121,570,000	121,543,000	121,717,000	122,116,000	124,922,000	129,528,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (5,000)
Cumulative Number of Reported claims | claim	126,091
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 121,618,000	121,634,000	121,660,000	121,795,000	122,023,000	124,298,000	133,530,000
2016 | Commercial Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	40,767,000	40,996,000	40,679,000	40,916,000	40,947,000	39,416,000	37,954,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 56,000
Cumulative Number of Reported claims	6,457
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 39,233,000	38,275,000	36,237,000	32,274,000	25,711,000	19,902,000	9,991,000
2016 | Commercial Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	17,721,000	17,713,000	17,725,000	17,808,000	17,909,000	18,506,000	20,216,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 1,000
Cumulative Number of Reported claims | claim	13,593
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 17,721,000	17,712,000	17,709,000	17,712,000	17,763,000	18,143,000	17,228,000
2016 | Homeowners Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	8,873,000	9,491,000	9,491,000	9,847,000	10,594,000	10,594,000	10,594,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 151,000
Cumulative Number of Reported claims | claim	277
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 7,628,000	7,128,000	6,300,000	5,387,000	4,257,000	2,669,000	647,000
2016 | Homeowners Property Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	59,857,000	59,898,000	60,019,000	61,262,000	64,208,000	66,442,000	67,116,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 312,000
Cumulative Number of Reported claims | claim	5,421
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 59,493,000	59,428,000	59,403,000	59,449,000	59,155,000	57,238,000	$ 44,103,000
2017 | Private Passenger Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	176,564,000	177,320,000	177,941,000	182,068,000	184,429,000	185,673,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (1,723,000)
Cumulative Number of Reported claims | claim	46,257
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 172,362,000	169,024,000	164,467,000	153,675,000	133,037,000	77,519,000
2017 | Private Passenger Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	123,779,000	123,777,000	123,715,000	124,128,000	126,304,000	128,340,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (35,000)
Cumulative Number of Reported claims | claim	124,026
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 123,795,000	123,839,000	123,844,000	124,286,000	126,822,000	132,409,000
2017 | Commercial Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	38,185,000	39,232,000	39,369,000	41,055,000	41,373,000	42,865,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (6,000)
Cumulative Number of Reported claims	6,134
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 33,569,000	31,389,000	28,721,000	24,409,000	20,106,000	10,407,000
2017 | Commercial Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	18,774,000	18,780,000	18,834,000	19,021,000	19,200,000	19,691,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 2,000
Cumulative Number of Reported claims | claim	13,113
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 18,772,000	18,786,000	18,787,000	18,915,000	19,336,000	17,957,000
2017 | Homeowners Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	7,053,000	7,819,000	8,585,000	9,328,000	10,058,000	11,276,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 267,000
Cumulative Number of Reported claims | claim	269
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 4,765,000	4,217,000	3,593,000	2,913,000	1,676,000	305,000
2017 | Homeowners Property Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	67,388,000	67,530,000	68,737,000	70,689,000	76,560,000	80,736,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 385,000
Cumulative Number of Reported claims | claim	6,011
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 66,826,000	66,765,000	66,892,000	66,181,000	64,401,000	$ 46,366,000
2018 | Private Passenger Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	166,046,000	168,185,000	170,447,000	175,222,000	176,411,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (3,040,000)
Cumulative Number of Reported claims | claim	43,085
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 159,066,000	154,169,000	143,656,000	126,456,000	72,895,000
2018 | Private Passenger Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	128,003,000	128,090,000	128,426,000	130,145,000	129,450,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (63,000)
Cumulative Number of Reported claims | claim	119,760
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 128,054,000	128,154,000	128,624,000	132,591,000	138,036,000
2018 | Commercial Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	36,014,000	37,322,000	38,589,000	40,115,000	41,347,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 107,000
Cumulative Number of Reported claims	5,744
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 29,336,000	26,774,000	23,544,000	18,499,000	9,704,000
2018 | Commercial Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	19,196,000	19,210,000	19,270,000	19,937,000	21,230,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 2,000
Cumulative Number of Reported claims | claim	12,907
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 19,194,000	19,208,000	19,236,000	19,842,000	18,842,000
2018 | Homeowners Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	8,616,000	9,768,000	9,951,000	9,951,000	9,951,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 375,000
Cumulative Number of Reported claims | claim	254
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 5,664,000	4,597,000	3,972,000	2,039,000	551,000
2018 | Homeowners Property Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	73,996,000	74,989,000	77,970,000	82,581,000	83,443,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 461,000
Cumulative Number of Reported claims | claim	8,239
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 73,307,000	73,119,000	72,078,000	70,959,000	$ 57,704,000
2019 | Private Passenger Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	166,940,000	170,477,000	174,439,000	176,171,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (4,648,000)
Cumulative Number of Reported claims | claim	40,564
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 154,633,000	143,570,000	127,910,000	72,219,000
2019 | Private Passenger Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	123,858,000	124,332,000	126,648,000	128,698,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (116,000)
Cumulative Number of Reported claims | claim	117,022
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 123,974,000	124,467,000	128,173,000	134,429,000
2019 | Commercial Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	46,964,000	48,783,000	49,163,000	51,679,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 666,000
Cumulative Number of Reported claims	5,682
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 36,048,000	28,373,000	22,480,000	12,113,000
2019 | Commercial Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	18,685,000	18,956,000	19,652,000	20,039,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 0
Cumulative Number of Reported claims | claim	12,757
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 18,681,000	18,752,000	19,161,000	18,128,000
2019 | Homeowners Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	11,371,000	11,949,000	13,848,000	14,130,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 396,000
Cumulative Number of Reported claims | claim	261
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 6,038,000	5,183,000	3,343,000	1,634,000
2019 | Homeowners Property Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	65,624,000	68,769,000	73,697,000	77,976,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 705,000
Cumulative Number of Reported claims | claim	5,452
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 64,427,000	63,536,000	61,905,000	$ 49,121,000
2020 | Private Passenger Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	120,060,000	125,888,000	130,335,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (5,880,000)
Cumulative Number of Reported claims | claim	26,172
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 102,601,000	88,037,000	52,962,000
2020 | Private Passenger Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	97,644,000	97,244,000	98,546,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (451,000)
Cumulative Number of Reported claims | claim	81,852
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 98,083,000	98,819,000	102,764,000
2020 | Commercial Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	30,869,000	31,930,000	35,010,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 2,867,000
Cumulative Number of Reported claims	3,463
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 16,268,000	13,166,000	7,025,000
2020 | Commercial Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	16,606,000	16,334,000	16,507,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 198,000
Cumulative Number of Reported claims | claim	9,620
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 16,407,000	16,596,000	15,550,000
2020 | Homeowners Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	11,025,000	13,708,000	14,664,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 700,000
Cumulative Number of Reported claims | claim	222
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 3,845,000	3,254,000	220,000
2020 | Homeowners Property Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	72,622,000	76,638,000	80,093,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 344,000
Cumulative Number of Reported claims | claim	6,108
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 68,706,000	65,927,000	$ 50,304,000
2021 | Private Passenger Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	147,391,000	146,997,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (18,015,000)
Cumulative Number of Reported claims | claim	29,994
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 111,516,000	56,826,000
2021 | Private Passenger Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	122,549,000	122,943,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (1,379,000)
Cumulative Number of Reported claims | claim	89,521
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 123,847,000	123,636,000
2021 | Commercial Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	39,564,000	41,814,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 229,000
Cumulative Number of Reported claims	4,260
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 17,925,000	7,883,000
2021 | Commercial Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	21,524,000	20,156,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (124,000)
Cumulative Number of Reported claims | claim	11,494
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 21,620,000	18,610,000
2021 | Homeowners Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	12,797,000	12,797,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (1,094,000)
Cumulative Number of Reported claims | claim	210
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 3,388,000	218,000
2021 | Homeowners Property Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	75,011,000	75,696,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (8,085,000)
Cumulative Number of Reported claims | claim	6,335
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 67,998,000	$ 51,390,000
2022 | Private Passenger Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	157,921,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 2,617,000
Cumulative Number of Reported claims | claim	27,388
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 61,227,000
2022 | Private Passenger Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	141,041,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (23,926,000)
Cumulative Number of Reported claims | claim	92,198
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 142,002,000
2022 | Commercial Automobile Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	43,496,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 12,054,000
Cumulative Number of Reported claims	3,893
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 10,941,000
2022 | Commercial Automobile Physical Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	27,459,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (345,000)
Cumulative Number of Reported claims | claim	12,118
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 24,381,000
2022 | Homeowners Liability
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	12,973,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ 4,724,000
Cumulative Number of Reported claims | claim	173
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 450,000
2022 | Homeowners Property Damage
incurred and paid claims development
Incurred claims and allocated claim adjustment expenses, net of reinsurance	72,523,000
Total of Incurred-but-Not-Reported Liabilities Plus Expected Development of Reported Claims	$ (4,404,000)
Cumulative Number of Reported claims | claim	4,770
Cumulative paid and allocated claim adjustment expenses, net of reinsurance	$ 48,906,000