SEGMENT INFORMATION (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Summarized financial information for segments

Summarized financial information for the Company’s segments is as follows:

Year ended December 31, 2017	Property and casualty insurance			Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	472,369		$	134,789		$	—		$	607,158
Underwriting profit (loss):
SAP underwriting profit (loss)	2,702			(15,386		)	—			(12,684		)
GAAP adjustments	5,217			(670		)	—			4,547
GAAP underwriting profit (loss)	7,919			(16,056		)	—			(8,137		)
Net investment income (loss)	32,670			12,771			38			45,479
Net realized investment gains (losses)	4,896			1,660			—			6,556
Other income (loss)	1,171			(1,519		)	—			(348		)
Interest expense	337			—			—			337
Other expenses	1,128			—			2,269			3,397
Income (loss) before income tax expense (benefit)	$	45,191		$	(3,144	)	$	(2,231	)	$	39,816
Assets	$	1,200,636		$	484,678		$	604,105		$	2,289,419
Eliminations	—			—			(599,036		)	(599,036		)
Reclassifications	(1,393		)	(6,273		)	(777		)	(8,443		)
Total assets	$	1,199,243		$	478,405		$	4,292		$	1,681,940

Year ended December 31, 2016	Property and casualty insurance			Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	456,467		$	135,941		$	—		$	592,408
Underwriting profit (loss):
SAP underwriting profit (loss)	4,276			11,377			—			15,653
GAAP adjustments	(934		)	(1,023		)	—			(1,957		)
GAAP underwriting profit (loss)	3,342			10,354			—			13,696
Net investment income (loss)	33,886			13,591			13			47,490
Net realized investment gains (losses)	4,082			(8		)	—			4,074
Other income (loss)	594			417			—			1,011
Interest expense	337			—			—			337
Other expenses	721			—			2,006			2,727
Income (loss) before income tax expense (benefit)	$	40,846		$	24,354		$	(1,993	)	$	63,207
Assets	$	1,122,037		$	455,493		$	554,164		$	2,131,694
Eliminations	—			—			(540,249		)	(540,249		)
Reclassifications	—			(1,932		)	(700		)	(2,632		)
Total assets	$	1,122,037		$	453,561		$	13,215		$	1,588,813

Year ended December 31, 2015	Property and casualty insurance		Reinsurance		Parent company			Consolidated
($ in thousands)
Premiums earned	$	447,197	$	123,069	$	—		$	570,266
Underwriting profit (loss):
SAP underwriting profit (loss)	2,494		13,228		—			15,722
GAAP adjustments	5,460		41		—			5,501
GAAP underwriting profit (loss)	7,954		13,269		—			21,223
Net investment income (loss)	32,668		12,923		(9		)	45,582
Net realized investment gains (losses)	4,163		1,990		—			6,153
Other income (loss)	771		954		—			1,725
Interest expense	337		—		—			337
Other expenses	748		—		1,942			2,690
Income (loss) before income tax expense (benefit)	$	44,471	$	29,136	$	(1,951	)	$	71,656

Summary of net premiums earned by line of insurance

The following table displays the premiums earned for the property and casualty insurance segment and the reinsurance segment for the three years ended December 31, 2017, by line of insurance.

	Year ended December 31,
($ in thousands)	2017		2016		2015
Property and casualty insurance segment
Commercial lines:
Automobile	$	118,224	$	110,941	$	105,904
Property	108,162		105,012		104,303
Workers' compensation	100,552		96,517		92,828
Other liability	98,674		96,630		92,665
Other	8,719		8,374		8,079
Total commercial lines	434,331		417,474		403,779
Personal lines	38,038		38,993		43,418
Total property and casualty insurance	$	472,369	$	456,467	$	447,197
Reinsurance segment
Pro rata reinsurance	$	44,636	$	56,317	$	47,421
Excess of loss reinsurance	90,153		79,624		75,648
Total reinsurance	$	134,789	$	135,941	$	123,069
Consolidated	$	607,158	$	592,408	$	570,266