Liability for Losses and Loss Expenses (Tables)

12 Months Ended

Dec. 31, 2021

Liability for Losses and Loss Expenses [Abstract]

Summary of Insurance Subsidiaries' Liability for Losses and Loss Expenses

We summarize activity in our insurance subsidiaries’ liability for losses and loss expenses as follows:

	2021			2020			2019
Balance at January 1	$	962,007,437		$	869,673,849		$	814,665,224
Less reinsurance recoverable		(404,818,480	)		(362,768,427	)		(339,267,525	)
Net balance at January 1		557,188,957			506,905,422			475,397,699
Incurred related to:
Current year		551,917,571			472,709,060			519,319,941
Prior years		(31,208,029	)		(12,944,767	)		(12,932,277	)
Total incurred		520,709,542			459,764,293			506,387,664
Paid related to:
Current year		269,316,762			236,984,291			278,923,614
Prior years		182,222,742			172,496,467			195,956,327
Total paid		451,539,504			409,480,758			474,879,941
Net balance at December 31		626,358,995			557,188,957			506,905,422
Plus reinsurance recoverable		451,261,306			404,818,480			362,768,427
Balance at December 31	$	1,077,620,301		$	962,007,437		$	869,673,849

Incurred and Paid Claims Development, Net of Reinsurance, Cumulative Claim Frequency and Total of IBNR Reserves Plus Expected Development on Reported Claims

The following tables present information about incurred and paid claims development as of December 31, 2021, net of reinsurance, as well as cumulative claim frequency and the total of IBNR reserves plus expected development on reported claims that our insurance subsidiaries included within their net incurred claims amounts. The tables include unaudited information about incurred and paid claims development for the years ended December 31, 2012 through 2020, which we present as supplementary information.

Personal Automobile																					At December 31, 2021
	Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Year Ended December 31,
Accident Year	2012		2013		2014		2015		2016		2017		2018		2019		2020		2021		Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
	Unaudited
(dollars and reported claims in thousands)
2012	$	130,415	$	133,201	$	135,592	$	136,493	$	136,552	$	136,463	$	136,141	$	136,677	$	136,648	$	136,542	$	98		69
2013				124,965		130,737		131,594		132,643		132,604		132,934		132,853		132,690		132,787		106		66
2014						124,426		124,806		124,210		126,200		126,779		126,734		126,861		126,977		131		71
2015								137,569		139,333		139,181		142,493		142,408		142,073		142,010		293		70
2016										150,216		153,937		157,516		157,943		156,935		156,436		728		73
2017												166,690		127,728		175,939		174,784		173,730		1,328		79
2018														186,580		183,358		181,558		180,787		3,069		81
2019																161,056		157,689		156,300		5,151		68
2020																		111,483		103,585		7,372		43
2021																				119,364		20,654		45
																	Total		$	1,428,518

Personal Automobile
	Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Year Ended December 31,
Accident Year	2012		2013		2014		2015		2016		2017		2018		2019		2020		2021
	Unaudited
(in thousands)
2012	$	87,517	$	111,941	$	124,652	$	130,862	$	133,428	$	134,581	$	135,132	$	136,137	$	136,165	$	136,186
2013				84,241		109,051		120,118		125,946		130,026		131,326		131,642		132,215		132,300
2014						85,377		104,736		114,893		120,491		123,815		124,926		125,619		125,762
2015								93,611		116,303		128,395		135,027		139,121		140,028		140,892
2016										102,433		129,507		143,321		151,159		153,521		154,769
2017												111,964		142,372		159,879		166,099		169,190
2018														115,585		150,175		163,036		169,651
2019																103,101		127,187		141,004
2020																		66,084		81,783
2021																				76,477
																	Total			1,328,014
					All outstanding liabilities before 2012, net of reinsurance															925
					Liabilities for claims and claims adjustment expenses, net of reinsurance														$	101,429

Homeowners																					At December 31, 2021
	Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Year Ended December 31,
Accident Year	2012		2013		2014		2015		2016		2017		2018		2019		2020		2021		Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
	Unaudited
(dollars and reported claims in thousands)
2012	$	53,962	$	54,794	$	54,468	$	54,351	$	54,281	$	54,381	$	54,523	$	54,537	$	54,548	$	54,556	$	—		18
2013				50,887		51,121		51,122		50,874		50,988		50,971		51,008		51,064		51,053		—		13
2014						56,916		58,378		57,680		57,332		57,288		57,402		57,367		57,371		—		16
2015								63,359		63,925		63,053		63,071		63,099		62,993		63,043		19		13
2016										62,443		64,064		63,735		63,355		63,279		63,409		12		12
2017												79,283		79,911		79,305		79,247		79,065		144		17
2018														81,965		83,385		82,905		82,566		538		18
2019																73,294		73,554		73,234		912		16
2020																		61,633		62,718		1,567		13
2021																				67,677		6,208		11
																	Total		$	654,692

Homeowners
	Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Year Ended December 31,
Accident Year	2012		2013		2014		2015		2016		2017		2018		2019		2020		2021
	Unaudited
(in thousands)
2012	$	46,566	$	53,619	$	54,028	$	54,298	$	54,317	$	54,356	$	54,557	$	54,557	$	54,553	$	54,560
2013				40,949		49,410		50,210		50,478		51,043		50,902		50,967		50,965		50,955
2014						45,823		56,255		56,990		57,195		56,995		57,243		57,336		57,339
2015								51,885		61,542		62,204		62,590		62,844		62,943		62,936
2016										50,125		61,145		62,760		63,144		63,162		63,217
2017												67,077		77,663		78,006		78,127		78,454
2018														70,385		79,892		80,905		81,464
2019																58,074		69,145		70,416
2020																		51,226		60,348
2021																				52,161
																	Total			631,850
					All outstanding liabilities before 2012, net of reinsurance															118
					Liabilities for claims and claims adjustment expenses, net of reinsurance														$	22,960

Commercial Automobile																					At December 31, 2021
	Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Year Ended December 31,
Accident Year	2012		2013		2014		2015		2016		2017		2018		2019		2020		2021		Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
	Unaudited
(dollars and reported claims in thousands)
2012	$	26,557	$	27,720	$	30,606	$	31,435	$	31,278	$	31,648	$	31,803	$	31,896	$	31,930	$	31,922	$	15		8
2013				32,902		33,749		34,751		35,240		36,404		36,435		36,569		36,181		36,165		53		8
2014						42,760		44,544		47,326		48,213		49,284		49,168		49,308		49,291		91		11
2015								46,526		48,323		51,412		54,259		54,517		54,619		53,793		234		12
2016										54,302		57,353		65,905		67,127		66,894		66,085		338		13
2017												61,484		67,927		67,697		67,249		65,310		895		13
2018														79,307		81,396		82,313		83,043		2,306		15
2019																88,864		91,245		90,290		7,365		16
2020																		90,367		87,766		14,996		14
2021																				109,824		41,282		14
																	Total		$	673,489

Commercial Automobile
	Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Year Ended December 31,
Accident Year	2012		2013		2014		2015		2016		2017		2018		2019		2020		2021
	Unaudited
(in thousands)
2012	$	13,642	$	20,240	$	23,718	$	27,417	$	29,873	$	30,402	$	31,104	$	31,228	$	31,263	$	31,507
2013				16,306		23,557		26,879		31,053		34,083		36,004		36,106		36,092		36,087
2014						22,707		31,089		39,436		44,374		47,290		48,418		48,603		48,714
2015								23,875		35,342		41,678		48,261		51,605		51,992		52,728
2016										27,033		38,237		48,837		57,237		60,485		64,421
2017												28,707		40,213		49,703		57,128		59,889
2018														33,862		47,941		57,451		69,487
2019																36,948		53,026		63,575
2020																		31,884		46,459
2021																				39,851
																	Total			512,718
					All outstanding liabilities before 2012, net of reinsurance															46
					Liabilities for claims and claims adjustment expenses, net of reinsurance														$	160,817

Commercial Multi-Peril																					At December 31, 2021
	Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Year Ended December 31,
Accident Year	2012		2013		2014		2015		2016		2017		2018		2019		2020		2021		Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
	Unaudited
(dollars and reported claims in thousands)
2012	$	29,789	$	30,716	$	32,449	$	34,117	$	35,755	$	36,214	$	36,525	$	36,876	$	36,662	$	36,844	$	—		6
2013				35,683		35,679		37,292		37,205		37,981		37,365		37,453		37,495		37,630		—		6
2014						48,204		50,135		51,843		52,336		53,294		53,116		52,926		52,933		79		7
2015								42,070		43,874		44,728		45,104		45,873		45,366		45,420		135		6
2016										43,005		46,988		48,267		48,871		48,732		48,823		373		6
2017												56,185		56,043		56,517		54,812		55,076		674		7
2018														66,265		66,470		67,749		67,810		3,653		7
2019																71,865		73,836		76,326		8,159		7
2020																		83,195		79,910		15,880		8
2021																				116,827		37,194		6
																	Total		$	617,599

Commercial Multi-Peril
	Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Year Ended December 31,
Accident Year	2012		2013		2014		2015		2016		2017		2018		2019		2020		2021
	Unaudited
(in thousands)
2012	$	16,666	$	23,384	$	26,634	$	29,370	$	33,327	$	35,331	$	35,909	$	36,329	$	36,399	$	36,529
2013				19,875		26,216		29,159		33,614		35,104		36,321		37,333		37,436		37,488
2014						27,920		35,520		40,936		47,021		50,017		51,615		52,103		52,252
2015								21,837		29,419		34,323		39,162		42,849		44,090		44,439
2016										19,660		29,402		34,612		41,193		43,435		44,944
2017												27,399		36,926		42,691		46,361		49,488
2018														30,597		42,296		48,050		54,913
2019																28,210		41,266		47,522
2020																		34,729		46,193
2021																				46,768
																	Total			460,536
					All outstanding liabilities before 2012, net of reinsurance															531
					Liabilities for claims and claims adjustment expenses, net of reinsurance														$	157,594

Workers’ Compensation																					At December 31, 2021
	Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Year Ended December 31,
Accident Year	2012		2013		2014		2015		2016		2017		2018		2019		2020		2021		Total IBNR Plus Expected Development on Reported Claims		Cumulative Number of Reported Claims
	Unaudited
(dollars and reported claims in thousands)
2012	$	39,142	$	39,516	$	38,827	$	37,926	$	37,163	$	36,468	$	35,954	$	35,932	$	36,014	$	36,056	$	39		5
2013				46,325		47,027		44,289		42,828		42,327		42,555		42,651		42,341		42,427		70		6
2014						51,508		51,553		49,288		48,537		47,540		47,693		47,849		47,620		68		6
2015								53,332		49,615		45,991		44,986		43,006		42,597		42,225		328		5
2016										58,814		49,802		47,883		44,969		44,098		43,559		532		5
2017												60,450		56,351		52,687		51,464		49,557		1,461		5
2018														62,197		55,291		52,514		47,912		2,171		6
2019																60,998		59,624		57,728		3,474		6
2020																		57,172		57,850		5,494		5
2021																				67,035		21,111		6
																	Total		$	491,969

Workers’ Compensation
	Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Year Ended December 31,
Accident Year	2012		2013		2014		2015		2016		2017		2018		2019		2020		2021
	Unaudited
(in thousands)
2012	$	11,097	$	22,963	$	28,812	$	31,244	$	33,196	$	34,177	$	34,460	$	34,622	$	34,691	$	34,973
2013				13,052		26,043		32,783		36,351		38,877		39,617		40,361		40,827		41,209
2014						13,932		28,513		36,284		40,393		42,465		43,866		44,403		44,671
2015								13,071		27,531		34,192		36,929		37,936		38,596		39,096
2016										14,709		30,344		37,178		40,570		41,208		41,543
2017												15,581		31,990		39,684		42,954		44,242
2018														17,644		31,928		37,072		41,611
2019																16,939		33,009		41,740
2020																		14,591		32,817
2021																				20,931
																	Total			382,833
					All outstanding liabilities before 2012, net of reinsurance															4,643
					Liabilities for claims and claims adjustment expenses, net of reinsurance														$	113,779

Reconciliation of Net Incurred and Paid Claims Development Tables to Liability for Claims and Claim Adjustment Expenses

The following table presents a reconciliation of the net incurred and paid claims development tables to the liability for claims and claims adjustment expenses in our consolidated balance sheet:

	At December 31,
(in thousands)	2021
Net outstanding liabilities:
Personal automobile	$	101,429
Homeowners		22,960
Commercial automobile		160,817
Commercial multi-peril		157,593
Workers’ compensation		113,779
Other		24,953
		581,531
Reinsurance recoverable:
Personal automobile	$	110,925
Homeowners		13,200
Commercial automobile		107,037
Commercial multi-peril		98,848
Workers’ compensation		92,352
Other		6,616
		428,978
Unallocated loss adjustment expenses	$	67,111
Gross liability for unpaid losses and loss expenses	$	1,077,620

Supplementary Information about Average Historical Claims Duration

The following table presents supplementary information about average historical claims duration as of December 31, 2021:

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance
Years		1		2		3		4		5		6		7		8		9		10
Personal automobile		64.8	%	16.9	%	8.6	%	4.3	%	2.3	%	0.8	%	0.4	%	0.4	%	—	%	—	%
Homeowners		81.5		15.0		1.3		0.5		0.3		0.1		0.2		—		—		—
Commercial automobile		41.7		18.3		12.8		12.0		6.2		3.2		1.1		0.2		—		0.8
Commercial multi-peril		45.4		16.9		9.4		10.2		6.5		3.5		1.5		0.6		0.2		0.4
Workers’ compensation		31.0		31.8		15.2		7.7		3.7		1.9		1.2		0.7		0.5		0.8