Loss and Loss Expense Reserves (Tables)

12 Months Ended

Dec. 31, 2016

Loss and Loss Expense Reserves [Abstract]

Summary of activity in reserves for losses and loss expenses

The major components of the developments shown above are as follows for the years ended December 31:
	2016			2015				2014
Property and casualty insurance		$	5,441		$	(10,289	)		$	(5,423	)
Reinsurance			8,395			227				(4,931	)
Totals		$	13,836		$	(10,062	)		$	(10,354	)

Major components of developments of claims' (savings) deficiency

The major components of the developments shown above are as follows for the years ended December 31:
	2016			2015				2014
Property and casualty insurance		$	5,441		$	(10,289	)		$	(5,423	)
Reinsurance			8,395			227				(4,931	)
Totals		$	13,836		$	(10,062	)		$	(10,354	)

Incurred claims development net of reinsurance

The following is information about incurred claims development as of December 31, 2016, net of reinsurance, as well as cumulative claim frequency and the total of incurred‐but‐not‐reported liabilities plus expected development on reported claims included within the net incurred claims amounts.

Workers' Compensation ($ in thousands)
																															As of December 31, 2016
																															Total of Incurred-
																															but-Not-Reported
																															Liabilities Plus
	Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance																														Expected			Cumulative
Accident	For the Years Ended December 31 (2007-2015 is Supplementary Information and Unaudited)																														Development on			Number of
Year	2007			2008			2009			2010			2011			2012			2013			2014			2015			2016			Reported Claims			Reported Claims
2007		$	9,050		$	11,930		$	13,298		$	12,023		$	11,239		$	11,790		$	12,175		$	12,637		$	12,340		$	12,399		$	173		2,828
2008						19,833			23,640			24,715			24,721			24,855			25,109			23,916			24,048			24,352			661		3,649
2009									17,270			20,931			21,447			21,261			21,268			20,767			20,641			20,817			1,060		3,784
2010												20,644			20,111			19,400			19,300			18,849			18,344			19,195			1,107		4,222
2011															26,057			26,628			26,958			26,767			25,515			27,293			2,784		4,543
2012																		23,965			25,544			24,887			24,485			25,616			3,136		4,477
2013																					27,619			30,638			29,913			32,121			5,170		5,255
2014																								36,768			36,968			34,009			6,908		5,371
2015																											26,277			23,115			6,462		6,219
2016																														35,240			20,695		5,520
																									Total				$	254,157		$	48,156

Commercial Liability ($ in thousands)
																															As of December 31, 2016
																															Total of Incurred-
																															but-Not-Reported
																															Liabilities Plus
	Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance																														Expected			Cumulative
Accident	For the Years Ended December 31 (2007-2015 is Supplementary Information and Unaudited)																														Development on			Number of
Year	2007			2008			2009			2010			2011			2012			2013			2014			2015			2016			Reported Claims			Reported Claims
2007		$	38,486		$	41,803		$	41,692		$	41,146		$	41,216		$	40,429		$	40,505		$	40,516		$	39,598		$	39,436		$	79		1,380
2008						34,693			28,591			27,311			25,511			23,989			24,892			24,902			23,480			23,482			23		948
2009									29,707			30,406			30,203			26,280			27,259			25,872			25,373			25,320			70		899
2010												31,124			22,161			21,899			19,139			20,300			19,764			19,377			40		2,398
2011															46,829			43,832			31,633			36,894			35,805			37,122			89		2,899
2012																		49,743			54,269			49,743			51,367			48,708			279		3,124
2013																					53,817			39,143			37,701			36,371			671		3,739
2014																								49,971			52,254			52,483			2,239		3,271
2015																											61,420			70,174			5,800		3,086
2016																														61,638		$	27,480		3,193
																									Total				$	414,111		$	36,770

Professional Liability Assumed ($ in thousands)
																									As of December 31, 2016
																									Total of Incurred-
																									but-Not-Reported
																									Liabilities Plus
	Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance																								Expected			Cumulative
Accident	For the Years Ended December 31 (2007-2015 is Supplementary Information and Unaudited)																								Development on			Number of
Year	2007	2008	2009	2010			2011			2012			2013			2014			2015			2016			Reported Claims			Reported Claims
2007
2008
2009
2010					$	2,196		$	4,277		$	7,827		$	7,946		$	9,733		$	10,740		$	11,689		$	270		N/A
2011									10,492			8,314			9,017			9,859			10,779			12,735			628		N/A
2012												10,041			9,276			5,569			10,157			14,605			2,653		N/A
2013															14,370			13,034			11,618			17,694			3,449		N/A
2014																		12,675			8,825			7,259			3,178		N/A
2015																					11,638			7,859			6,956		N/A
2016																								6,368		$	6,368		N/A
																			Total				$	78,210		$	23,502

Information about paid claims development

The following is information about paid claims development as of December 31, 2016, net of reinsurance.

Workers' Compensation ($ in thousands)
	Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net of Reinsurance
Accident	For the Years Ended December 31 (2007-2015 is Supplementary Information and Unaudited)
Year	2007		2008		2009		2010		2011		2012		2013		2014		2015			2016
2007	$	1,525	$	6,072	$	8,064	$	7,805	$	8,352	$	9,226	$	9,571	$	9,974		$	10,138		10,401
2008				6,046		13,919		17,320		18,943		20,055		20,839		21,306			21,883		22,199
2009						4,186		10,073		13,343		15,576		16,592		17,448			18,028		18,514
2010								3,974		9,134		11,963		13,845		14,966			15,835		16,590
2011										4,916		11,912		15,973		18,884			20,617		21,622
2012												4,597		11,004		14,834			17,415		18,946
2013														4,880		12,792			18,065		21,655
2014																5,328			13,665		19,075
2015																			2,918		10,128
2016																					5,784
																	Total			$	164,914
																	Outstanding liabilities prior to 2007 net of reinsurance				12,640
																	Liabilities for claims and claims adjustment expenses, net of reinsurance			$	101,883

Commercial Liability ($ in thousands)
	Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net of Reinsurance
Accident	For the Years Ended December 31 (2007-2015 is Supplementary Information and Unaudited)
Year	2007		2008		2009		2010		2011		2012		2013		2014		2015			2016
2007	$	5,493	$	17,302	$	32,571	$	36,150	$	38,621	$	39,006	$	39,069	$	39,160		$	39,216	$	39,193
2008				2,612		8,942		15,733		21,220		21,396		23,169		23,354			23,444		23,500
2009						928		17,880		19,718		23,521		24,866		25,066			25,114		25,125
2010								1,649		7,166		11,635		16,052		18,627			18,517		18,866
2011										1,809		11,350		23,615		30,795			33,255		34,009
2012												3,086		23,252		32,942			45,303		47,601
2013														5,167		15,772			25,270		34,481
2014																4,023			9,046		28,393
2015																			10,923		27,582
2016																					6,843
																	Total			$	285,593
																	Outstanding liabilities prior to 2007 net of reinsurance				4,621
																	Liabilities for claims and claims adjustment expenses, net of reinsurance			$	133,139

Professional Liability Assumed ($ in thousands)
	Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net of Reinsurance
Accident	For the Years Ended December 31 (2007-2015 is Supplementary Information and Unaudited)
Year	2007	2008	2009	2010			2011			2012			2013			2014			2015			2016
2007
2008
2009
2010					$	41		$	729		$	3,505		$	5,844		$	7,758		$	9,904		$	11,132
2011									50			637			2,061			4,983			8,104			10,404
2012												103			992			2,388			5,077			8,355
2013															123			1,135			5,088			10,988
2014																		723			761			2,241
2015																					10			390
2016																								-
																			Total				$	43,510
																			Outstanding liabilities prior to 2007 net of reinsurance					-
																			Liabilities for claims and claims adjustment expenses, net of reinsurance				$	34,700

Reconciliation of net incurred and paid claims development

The reconciliation of the net incurred and paid claims development tables to the liability for claims and claim adjustment expenses in the consolidated statement of financial position is as follows.

Net outstanding liabilities
Commercial Liability	$	133,139
Workers' Compensation		101,883
Professional Liability Assumed		34,700
Other short-duration insurance lines		38,556
Liabilities for unpaid claims and claim adjustment
expenses, net of reinsurance		308,278
Reinsurance recoverable on unpaid claims
Commercial Liability		85,549
Workers' Compensation		153,847
Professional Liability Assumed		-
Other short-duration insurance lines		12,167
Reinsurance recoverable on unpaid losses at the
end of the year		251,563
Unallocated claims adjustment expenses		16,489
Total gross liability for unpaid claims and
claims adjustment expense	$	576,330

Supplementary information about average historical claims duration

The following is supplementary information about average historical claims duration as of December 31, 2016.

	Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance
	(Supplementary Information and Unaudited)
Years		1		2		3		4		5		6		7		8		9		10
Commercial Liability		9.7	%	31.3	%	26.7	%	20.0	%	6.2	%	2.2	%	0.7	%	0.2	%	0.2	%	0.1	%
Workers' Compensation		17.4	%	28.3	%	15.3	%	8.1	%	5.3	%	4.5	%	2.9	%	2.7	%	1.3	%	2.1	%
Professional Liability Assumed		1.7	%	4.6	%	17.4	%	23.7	%	21.1	%	18.2	%	10.5	%