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Investments (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of Amortized Cost and Estimated Fair Value of Investments

The amortized cost and estimated fair value of investments were as follows as of March 31, 2018 and December 31, 2017:

(Dollars in thousands)		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Estimated Fair Value				Other than temporary impairments recognized in AOCI (1)
As of March 31, 2018
Fixed maturities:
U.S. treasury and agency obligations		$	99,713			$	476			$	(2,060	)		$	98,129			$	—
Obligations of states and political subdivisions			95,708				304				(601	)			95,411				—
Mortgage-backed securities			176,983				313				(3,511	)			173,785				—
Asset-backed securities			203,834				115				(1,204	)			202,745				(1)
Commercial mortgage-backed securities			151,337				58				(3,554	)			147,841				—
Corporate bonds			431,814				417				(7,424	)			424,807				—
Foreign corporate bonds			122,565				9				(2,296	)			120,278				—
Total fixed maturities			1,281,954				1,692				(20,650	)			1,262,996				(1)
Common stock			133,911				—				—				133,911				—
Other invested assets			82,159				—				—				82,159				—
Total		$	1,498,024			$	1,692			$	(20,650	)		$	1,479,066			$	(1)

(1) Represents the total amount of other than temporary impairment losses relating to factors other than credit losses recognized in accumulated other comprehensive income (“AOCI”).

(Dollars in thousands)		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Estimated Fair Value				Other than temporary impairments recognized in AOCI (1)
As of December 31, 2017
Fixed maturities:
U.S. treasury and agency obligations		$	105,311			$	562			$	(1,193	)		$	104,680			$	—
Obligations of states and political subdivisions			94,947				441				(274	)			95,114				—
Mortgage-backed securities			150,237				404				(1,291	)			149,350				—
Asset-backed securities			203,827				267				(393	)			203,701				(1	)
Commercial mortgage-backed securities			140,761				101				(1,067	)			139,795				—
Corporate bonds			422,486				2,295				(1,391	)			423,390				—
Foreign corporate bonds			125,575				377				(545	)			125,407				—
Total fixed maturities			1,243,144				4,447				(6,154	)			1,241,437				(1	)
Common stock			124,915				18,574				(3,260	)			140,229				—
Other invested assets			77,820				—				—				77,820				—
Total		$	1,445,879			$	23,021			$	(9,414	)		$	1,459,486			$	(1	)

(1) Represents the total amount of other than temporary impairment losses relating to factors other than credit losses recognized in accumulated other comprehensive income (“AOCI”).

Summary of Amortized Cost and Estimated Fair Value Through Fixed Maturities

The amortized cost and estimated fair value of the Company’s fixed maturities portfolio classified as available for sale at March 31, 2018, by contractual maturity, are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

(Dollars in thousands)		Amortized Cost				Estimated Fair Value
Due in one year or less		$	68,903			$	68,736
Due in one year through five years			431,430				425,571
Due in five years through ten years			240,272				235,140
Due in ten years through fifteen years			4,215				4,170
Due after fifteen years			4,980				5,008
Mortgage-backed securities			176,983				173,785
Asset-backed securities			203,834				202,745
Commercial mortgage-backed securities			151,337				147,841
Total		$	1,281,954			$	1,262,996

Summary of Securities With Gross Unrealized Losses

The following table contains an analysis of the Company’s fixed income securities with gross unrealized losses, categorized by the period that the securities were in a continuous loss position as of March 31, 2018. Due to new accounting guidance implemented in 2018 regarding the treatment of gains and losses on equity securities, common stock is no longer included in the table:

		Less than 12 months								12 months or longer (1)								Total
(Dollars in thousands)		Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized Losses
Fixed maturities:
U.S. treasury and agency obligations		$	69,992			$	(1,813	)		$	20,223			$	(247	)		$	90,215			$	(2,060	)
Obligations of states and political subdivisions			46,524				(454	)			7,711				(147	)			54,235				(601	)
Mortgage-backed securities			165,295				(3,453	)			1,756				(58	)			167,051				(3,511	)
Asset-backed securities			148,609				(1,158	)			6,399				(46	)			155,008				(1,204	)
Commercial mortgage-backed securities			113,728				(2,766	)			27,292				(788	)			141,020				(3,554	)
Corporate bonds			320,235				(6,429	)			52,303				(995	)			372,538				(7,424	)
Foreign corporate bonds			93,828				(1,951	)			16,452				(345	)			110,280				(2,296	)
Total fixed maturities		$	958,211			$	(18,024	)		$	132,136			$	(2,626	)		$	1,090,347			$	(20,650	)

(1) Fixed maturities in a gross unrealized loss position for twelve months or longer are primarily comprised of non-credit losses on investment grade securities where management does not intend to sell, and it is more likely than not that the Company will not be forced to sell the security before recovery. The Company has analyzed these securities and has determined that they are not other than temporarily impaired.

The following table contains an analysis of the Company’s securities with gross unrealized losses, categorized by the period that the securities were in a continuous loss position as of December 31, 2017:

		Less than 12 months								12 months or longer (1)								Total
(Dollars in thousands)		Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized Losses
Fixed maturities:
U.S. treasury and agency obligations		$	79,403			$	(962	)		$	17,469			$	(231	)		$	96,872			$	(1,193	)
Obligations of states and political subdivisions			34,537				(149	)			12,060				(125	)			46,597				(274	)
Mortgage-backed securities			127,991				(1,247	)			1,866				(44	)			129,857				(1,291	)
Asset-backed securities			97,817				(371	)			6,423				(22	)			104,240				(393	)
Commercial mortgage-backed securities			83,051				(523	)			27,976				(544	)			111,027				(1,067	)
Corporate bonds			147,064				(754	)			53,024				(637	)			200,088				(1,391	)
Foreign corporate bonds			53,320				(305	)			20,582				(240	)			73,902				(545	)
Total fixed maturities			623,183				(4,311	)			139,400				(1,843	)			762,583				(6,154	)
Common stock			32,759				(3,260	)			—				—				32,759				(3,260	)
Total		$	655,942			$	(7,571	)		$	139,400			$	(1,843	)		$	795,342			$	(9,414	)

(1) Fixed maturities in a gross unrealized loss position for twelve months or longer are primarily comprised of non-credit losses on investment grade securities where management does not intend to sell, and it is more likely than not that the Company will not be forced to sell the security before recovery. The Company has analyzed these securities and has determined that they are not other than temporarily impaired.

Schedule of Other Than Temporary Impairments on Investments

The Company recorded the following other than temporary impairments (“OTTI”) on its investment portfolio for the quarters ended March 31, 2018 and 2017:

		Quarters Ended March 31,
(Dollars in thousands)		2018				2017
Fixed maturities:
OTTI losses, gross		$	—			$	(31	)
Portion of loss recognized in other comprehensive income (pre-tax)			—				—
Net impairment losses on fixed maturities recognized in earnings			—				(31	)
Equity securities			—				(79	)
Total		$	—			$	(110	)

Schedule of Credit Losses Recognized in Earnings

The following table is an analysis of the credit losses recognized in earnings on fixed maturities held by the Company as of March 31, 2018 and 2017 for which a portion of the OTTI loss was recognized in other comprehensive income.

		Quarters Ended March 31,
(Dollars in thousands)		2018				2017
Balance at beginning of period		$	13			$	31
Additions where no OTTI was previously recorded			—				—
Additions where an OTTI was previously recorded			—				—
Reductions for securities for which the company intends to sell or more likely than not will be required to sell before recovery			—				—
Reductions reflecting increases in expected cash flows to be collected			—				—
Reductions for securities sold during the period			—				—
Balance at end of period		$	13			$	31

Schedule of Accumulated Other Comprehensive Income, Net of Tax

Accumulated Other Comprehensive Income, Net of Tax

Accumulated other comprehensive income, net of tax, as of March 31, 2018 and December 31, 2017 was as follows:

(Dollars in thousands)		March 31, 2018				December 31, 2017
Net unrealized gains (losses) from:
Fixed maturities		$	(18,958	)		$	(1,707	)
Common stock			—				15,314
Foreign currency fluctuations			179				551
Deferred taxes			2,248				(5,175	)
Accumulated other comprehensive income, net of tax		$	(16,531	)		$	8,983

Changes in Accumulated Other Comprehensive Income

The following tables present the changes in accumulated other comprehensive income, net of tax, by component for the quarters ended March 31, 2018 and 2017:

Quarter Ended March 31, 2018 (Dollars in thousands)		Unrealized Gains and Losses on Available for Sale Securities, Net of Tax				Foreign Currency Items, Net of Tax				Accumulated Other Comprehensive Income, Net of Tax
Beginning balance		$	8,272			$	711			$	8,983
Other comprehensive income (loss) before reclassification			(15,189	)			(372	)			(15,561	)
Amounts reclassified from accumulated other comprehensive income (loss)			75				—				75
Other comprehensive income (loss)			(15,114	)			(372	)			(15,486	)
Cumulative-effect adjustment			(9,868	)			(160	)			(10,028	)
Ending balance		$	(16,710	)		$	179			$	(16,531	)

Quarter Ended March 31, 2017 (Dollars in thousands)		Unrealized Gains and Losses on Available for Sale Securities, Net of Tax				Foreign Currency Items, Net of Tax				Accumulated Other Comprehensive Income, Net of Tax
Beginning balance		$	(554	)		$	(64	)		$	(618	)
Other comprehensive income (loss) before reclassification			5,171				185				5,356
Amounts reclassified from accumulated other comprehensive income (loss)			(399	)			(7	)			(406	)
Other comprehensive income (loss)			4,772				178				4,950
Ending balance		$	4,218			$	114			$	4,332

Reclassifications Out of Accumulated Other Comprehensive Income

The reclassifications out of accumulated other comprehensive income for the quarters ended March 31, 2018 and 2017 were as follows:

(Dollars in thousands) Details about Accumulated Other Comprehensive Income Components		Affected Line Item in the Consolidated Statements of Operations		Amounts Reclassified from Accumulated Other Comprehensive Income Quarters Ended March 31,
				2018				2017
Unrealized gains and losses on available for sale securities		Other net realized investment (gains) losses		$	93			$	(701	)
		Other than temporary impairment losses on investments			—				110
		Total before tax			93				(591	)
		Income tax (benefit)			(18	)			192
		Unrealized gains and losses on available for sale securities, net of tax			75				(399	)
Foreign currency items		Other net realized investment (gains)			—				(11	)
		Income tax expense			—				4
		Foreign currency items, net of tax			—				(7	)
Total reclassifications		Total reclassifications, net of tax		$	75			$	(406	)

Components of Net Realized Investment Gains (Losses)

Net Realized Investment Gains (Losses)

The components of net realized investment gains (losses) for the quarters ended March 31, 2018 and 2017 were as follows:

		Quarters Ended March 31,
(Dollars in thousands)		2018				2017
Fixed maturities:
Gross realized gains		$	24			$	189
Gross realized losses			(117	)			(83	)
Net realized gains (losses)			(93	)			106
Common stock:
Gross realized gains			3,453				575
Gross realized losses			(7,827	)			(79	)
Net realized gains (losses)			(4,374	)			496
Derivatives:
Gross realized gains			4,801				1,236
Gross realized losses			(650	)			(1,063	)
Net realized gains (1)			4,151				173
Total net realized investment gains (losses)		$	(316	)		$	775

(1) Includes $0.7 million and $1.1 million of periodic net interest settlements related to the derivatives for the quarters ended March 31, 2018 and 2017, respectively.

Summary of Calculation of Realized Gains and Losses

The following table shows the calculation of the portion of realized gains and losses related to common stock being held as of March 31, 2018:

		Quarter Ended March 31,
(Dollars in thousands)		2018
Net gains and losses recognized during the period on equity securities		$	(4,374	)
Less: Net gains and losses recognized during the period on equity securities sold during the period			554
Unrealized gains and losses recognized during the reporting period on equity securities still held at the reporting date		$	(4,928	)

Proceeds from Sales and Redemptions of Available-for-Sale Securities

The proceeds from sales and redemptions of available for sale and equity securities resulting in net realized investment gains (losses) for the quarters ended March 31, 2018 and 2017 were as follows:

		Quarters Ended March 31,
(Dollars in thousands)		2018				2017
Fixed maturities		$	47,148			$	139,350
Equity securities			9,283				5,626

Schedule of Investment Income

The sources of net investment income for the quarters ended March 31, 2018 and 2017 were as follows:

		Quarters Ended March 31,
(Dollars in thousands)		2018				2017
Fixed maturities		$	8,528			$	6,678
Equity securities			999				990
Cash and cash equivalents			264				84
Other invested assets			2,323				1,692
Total investment income			12,114				9,444
Investment expense			(710	)			(800	)
Net investment income		$	11,404			$	8,644

Schedule of Total Investment Return

The Company’s total investment return on a pre-tax basis for the quarters ended March 31, 2018 and 2017 were as follows:

		Quarters Ended March 31,
(Dollars in thousands)		2018				2017
Net investment income		$	11,404			$	8,644
Net realized investment gains (losses)			(316	)			775
Change in unrealized holding gains (losses)			(17,623	)			7,017
Net realized and unrealized investment returns			(17,939	)			7,792
Total investment return		$	(6,535	)		$	16,436
Total investment return % (1)			(0.4	%)			1.1	%
Average investment portfolio (2)		$	1,538,651			$	1,559,965

(1) Not annualized.

(2) Average of total cash and invested assets, net of receivable/payable for securities purchased and sold, as of the beginning and end of the period.

Summary of Insurance Enhanced Municipal Bonds Backed by Financial Guarantors

A summary of the Company’s insurance enhanced municipal bonds that are backed by financial guarantors, including the pre-refunded bonds that are escrowed in U.S. government obligations, as of March 31, 2018, is as follows:

(Dollars in thousands) Financial Guarantor		Total				Pre-refunded Securities				Government Guaranteed Securities				Exposure Net of Pre-refunded & Government Guaranteed Securities
Municipal Bond Insurance Association		$	1,136			$	—			$	—			$	1,136
Total backed by financial guarantors			1,136				—				—				1,136
Other credit enhanced municipal bonds			—				—				—				—
Total		$	1,136			$	—			$	—			$	1,136

Summary of Estimated Fair Values of Bonds Held on Deposit

The fair values were as follows as of March 31, 2018 and December 31, 2017:

		Estimated Fair Value
(Dollars in thousands)		March 31, 2018				December 31, 2017
On deposit with governmental authorities		$	26,412			$	26,852
Intercompany trusts held for the benefit of U.S. policyholders			291,974				328,494
Held in trust pursuant to third party requirements			96,803				94,098
Letter of credit held for third party requirements			2,707				3,944
Securities held as collateral for borrowing arrangements (1)			78,053				88,040
Total		$	495,949			$	541,428

(1) Amount required to collateralize margin borrowing facility.

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Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580

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- Definition

Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563

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For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

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