10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES  EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2018

OR

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ________________to __________________

Commission File Number: 0-10956

EMC INSURANCE GROUP INC.

(Exact name of registrant as specified in its charter)

Iowa	42-6234555
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

717 Mulberry Street, Des Moines, Iowa	50309
(Address of principal executive offices)	(Zip Code)

(515) 345-2902

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. ý  Yes    o  No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). ý  Yes    o  No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company.  See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.

o	Large accelerated filer	ý	Accelerated filer	o	Non-accelerated filer
o	Smaller reporting company	o	Emerging growth company		(Do not check if a smaller reporting company)

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). o  Yes    ý  No

As of October 31, 2018, there were 21,611,374 shares of common stock, $1.00 par value, issued and outstanding.

TABLE OF CONTENTS

		PAGE
PART I	FINANCIAL INFORMATION
Item 1.	Financial Statements	3
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	38
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	53
Item 4.	Controls and Procedures	53
PART II	OTHER INFORMATION
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	54
Item 6.	Exhibits	55
Signatures		56

PART I. FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

EMC INSURANCE GROUP INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

	September 30,   2018		December 31,   2017
($ in thousands, except share and per share amounts)	(Unaudited)
ASSETS
Investments:
Fixed maturity securities available-for-sale, at fair value (amortized cost $1,264,975 and $1,253,166)	$	1,248,072	$	1,275,016
Equity investments, at fair value (cost $155,734 and $144,274)	238,768		228,115
Equity investments, at alternative measurement of cost less impairments	1,200		—
Other long-term investments	17,818		13,648
Short-term investments	33,717		23,613
Total investments	1,539,575		1,540,392
Cash	302		347
Reinsurance receivables due from affiliate	33,448		31,650
Prepaid reinsurance premiums due from affiliate	12,470		12,789
Deferred policy acquisition costs (affiliated $47,323 and $40,848)	47,653		41,114
Amounts due from affiliate to settle inter-company transaction balances	8,067		—
Prepaid pension and postretirement benefits due from affiliate	22,769		20,683
Accrued investment income	11,714		11,286
Amounts receivable under reverse repurchase agreements	16,500		16,500
Accounts receivable	1,103		1,604
Income taxes recoverable	1,531		—
Goodwill	942		942
Other assets (affiliated $4,706 and $4,423)	5,028		4,633
Total assets	$	1,701,102	$	1,681,940

All affiliated balances presented above are the result of related party transactions with Employers Mutual.

See accompanying Notes to Consolidated Financial Statements.

3

EMC INSURANCE GROUP INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

	September 30,   2018			December 31,   2017
($ in thousands, except share and per share amounts)	(Unaudited)
LIABILITIES
Losses and settlement expenses (affiliated $756,751 and $726,413)	$	761,581		$	732,612
Unearned premiums (affiliated $291,464 and $256,434)	292,983			257,797
Other policyholders' funds (all affiliated)	9,145			10,013
Surplus notes payable to affiliate	25,000			25,000
Amounts due affiliate to settle inter-company transaction balances	—			367
Pension benefits payable to affiliate	4,111			4,185
Income taxes payable	—			544
Deferred income taxes	7,090			15,020
Other liabilities (affiliated $26,440 and $27,520)	26,584			32,556
Total liabilities	1,126,494			1,078,094
STOCKHOLDERS' EQUITY
Common stock, $1 par value, authorized 30,000,000 shares; issued and outstanding, 21,575,286 shares in 2018 and 21,455,545 shares in 2017	21,575			21,455
Additional paid-in capital	127,520			124,556
Accumulated other comprehensive income (loss)	(15,082		)	83,384
Retained earnings	440,595			374,451
Total stockholders' equity	574,608			603,846
Total liabilities and stockholders' equity	$	1,701,102		$	1,681,940

All affiliated balances presented above are the result of related party transactions with Employers Mutual.

See accompanying Notes to Consolidated Financial Statements.

4

EMC INSURANCE GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME

(Unaudited)

	Three months ended   September 30,
($ in thousands, except share and per share amounts)	2018		2017
REVENUES
Premiums earned (affiliated $162,422 and $154,451)	$	163,708	$	155,190
Net investment income	11,951		11,501
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	11,135		(594		)
Other income (affiliated $2,239 and $1,248)	2,331		1,099
Total revenues	189,125		167,196
LOSSES AND EXPENSES
Losses and settlement expenses (affiliated $109,040 and $116,908)	111,277		119,576
Dividends to policyholders (all affiliated)	2,654		46
Amortization of deferred policy acquisition costs (affiliated $28,395 and $26,177)	28,783		26,430
Other underwriting expenses (affiliated $20,925 and $20,798)	20,924		20,799
Interest expense (all affiliated)	170		84
Other expenses (affiliated $477 and $442)	873		701
Total losses and expenses	164,681		167,636
Income (loss) before income tax expense (benefit)	24,444		(440		)
INCOME TAX EXPENSE (BENEFIT)
Current	3,584		(2,197		)
Deferred	1,712		1,011
Total income tax expense (benefit)	5,296		(1,186		)
Net income	$	19,148	$	746
Net income per common share - basic and diluted	$	0.89	$	0.03
Dividend per common share	$	0.22	$	0.21
Average number of common shares outstanding - basic and diluted	21,556,557		21,356,588

All affiliated balances presented above are the result of related party transactions with Employers Mutual.

See accompanying Notes to Consolidated Financial Statements.

5

EMC INSURANCE GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME

(Unaudited)

	Nine months ended September 30,
($ in thousands, except share and per share amounts)	2018			2017
REVENUES
Premiums earned (affiliated $473,382, and $446,522)	$	477,440		$	449,514
Net investment income	35,100			33,679
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	(118		)	2,166
Other income (affiliated $6,402 and $3,484)	6,719			3,000
Total revenues	519,141			488,359
LOSSES AND EXPENSES
Losses and settlement expenses (affiliated $338,729 and $318,902)	340,996			323,089
Dividends to policyholders (all affiliated)	7,160			5,184
Amortization of deferred policy acquisition costs (affiliated $84,434 and $79,957)	85,504			80,774
Other underwriting expenses (affiliated $66,303 and $61,637)	66,230			61,566
Interest expense (all affiliated)	483			253
Other expenses (affiliated $1,461 and $1,423)	2,574			2,264
Total losses and expenses	502,947			473,130
Income (loss) before income tax expense (benefit)	16,194			15,229
INCOME TAX EXPENSE (BENEFIT)
Current	1,479			1,918
Deferred	638			257
Total income tax expense (benefit)	2,117			2,175
Net income	$	14,077		$	13,054
Net income per common share - basic and diluted	$	0.65		$	0.61
Dividend per common share	$	0.66		$	0.63
Average number of common shares outstanding - basic and diluted	21,529,394			21,295,882

All affiliated balances presented above are the result of related party transactions with Employers Mutual.

See accompanying Notes to Consolidated Financial Statements.

6

EMC INSURANCE GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

	Three months ended   September 30,
($ in thousands)	2018			2017
Net income	$	19,148		$	746
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized holding gains (losses) on investment securities not reflected in net income, net of deferred income tax expense (benefit) of $(2,488) and $2,951	(9,357		)	5,481
Reclassification adjustment for net realized investment (gains) losses included in net income, net of income tax (expense) benefit of $202 and $(141)	758			(264		)
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income, net of deferred income tax expense of $(143) and $(146):
Net actuarial loss	84			240
Prior service credit	(623		)	(511		)
Total reclassification adjustment associated with affiliate's pension and postretirement benefit plans	(539		)	(271		)
Other comprehensive income (loss)	(9,138		)	4,946
Total comprehensive income (loss)	$	10,010		$	5,692

	Nine months ended   September 30,
($ in thousands)	2018			2017
Net income	$	14,077		$	13,054
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized holding gains (losses) on investment securities not reflected in net income, net of deferred income tax expense (benefit) of $(9,544) and $12,632	(35,903		)	23,460
Reclassification adjustment for net realized investment (gains) losses included in net income, net of income tax (expense) benefit of $1,406 and $(2,368)	5,288			(4,399		)
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income, net of deferred income tax expense of $(430) and $(439):
Net actuarial loss	250			719
Prior service credit	(1,867		)	(1,535		)
Total reclassification adjustment associated with affiliate's pension and postretirement benefit plans	(1,617		)	(816		)
Other comprehensive income (loss)	(32,232		)	18,245
Total comprehensive income (loss)	$	(18,155	)	$	31,299

All affiliated balances presented above are the result of related party transactions with Employers Mutual.

See accompanying Notes to Consolidated Financial Statements.

7

EMC INSURANCE GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

(Unaudited)

($ in thousands, except per share amounts)	Common stock			Additional paid-in capital			Accumulated other comprehensive income (loss)			Retained earnings			Total stockholders' equity
Balance at December 31, 2017	$	21,455		$	124,556		$	83,384		$	374,451		$	603,846
Cumulative adjustment for adoption of financial instruments recognition and measurement changes							(66,234		)	66,234			—
Issuance of common stock through stock plans	176			4,302									4,478
Repurchase of common stock	(56		)	(1,399		)							(1,455		)
Increase resulting from stock-based compensation expense				61									61
Other comprehensive income (loss)							(32,232		)				(32,232		)
Net income										14,077			14,077
Dividends paid to public stockholders ($0.66 per share)										(6,398		)	(6,398		)
Dividends paid to affiliate ($0.66 per share)										(7,769		)	(7,769		)
Balance at September 30, 2018	$	21,575		$	127,520		$	(15,082	)	$	440,595		$	574,608

($ in thousands, except per share amounts)	Common stock			Additional paid-in capital			Accumulated other comprehensive income (loss)		Retained earnings			Total stockholders' equity
Balance at December 31, 2016	$	21,223		$	119,054		$	46,081	$	366,984		$	553,342
Issuance of common stock through stock plans	225			5,328								5,553
Repurchase of common stock	(68		)	(1,790		)						(1,858		)
Increase resulting from stock-based compensation expense				48								48
Other comprehensive income (loss)							18,245					18,245
Net income									13,054			13,054
Dividends paid to public stockholders ($0.63 per share)									(5,906		)	(5,906		)
Dividends paid to affiliate ($0.63 per share)									(7,416		)	(7,416		)
Balance at September 30, 2017	$	21,380		$	122,640		$	64,326	$	366,716		$	575,062

All affiliated balances presented above are the result of related party transactions with Employers Mutual.

See accompanying Notes to Consolidated Financial Statements.

8

EMC INSURANCE GROUP INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Nine months ended   September 30,
($ in thousands)	2018			2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$	14,077		$	13,054
Adjustments to reconcile net income to net cash provided by operating activities:
Losses and settlement expenses (affiliated $30,338 and $35,368)	28,969			35,929
Unearned premiums (affiliated $35,030 and $37,373)	35,186			37,558
Other policyholders' funds due to affiliate	(868		)	(3,221		)
Amounts due to/from affiliate to settle inter-company transaction balances	(8,434		)	(15,432		)
Net pension and postretirement benefits due from affiliate	(4,207		)	(638		)
Reinsurance receivables due from affiliate	(1,798		)	(4,753		)
Prepaid reinsurance premiums due from affiliate	319			(6,450		)
Commissions payable (affiliated $(2,190) and $(2,309))	(2,121		)	(2,318		)
Deferred policy acquisition costs (affiliated $(6,475) and $(3,176))	(6,539		)	(3,171		)
Accrued investment income	(428		)	(913		)
Current income tax	(2,075		)	(6,209		)
Deferred income tax	638			257
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	118			(2,166		)
Other, net (affiliated $888 and $(1,545))	7,859			8,596
Total adjustments to reconcile net income to net cash provided by operating activities	46,619			37,069
Net cash provided by operating activities	60,696			50,123
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of fixed maturity securities available-for-sale	(248,571		)	(174,579		)
Disposals of fixed maturity securities available-for-sale	218,525			121,463
Purchases of equity investments	(57,558		)	(43,868		)
Disposals of equity investments	52,052			49,595
Purchases of other long-term investments	(7,305		)	(12,231		)
Disposals of other long-term investments	3,364			1,304
Net (purchases) disposals of short-term investments	(10,104		)	14,415
Net receipts under reverse repurchase agreements	—			3,500
Net cash used in investing activities	(49,597		)	(40,401		)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuance of common stock through affiliate’s stock plans	4,478			5,553
Repurchase of common stock	(1,455		)	(1,858		)
Dividends paid to stockholders (affiliated $(7,769) and $(7,416))	(14,167		)	(13,322		)
Net cash used in financing activities	(11,144		)	(9,627		)
NET INCREASE (DECREASE) IN CASH	(45		)	95
Cash at the beginning of the year	347			307
Cash at the end of the quarter	$	302		$	402

All affiliated balances presented above are the result of related party transactions with Employers Mutual.

See accompanying Notes to Consolidated Financial Statements.

9

EMC INSURANCE GROUP INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. BASIS OF PRESENTATION

EMC Insurance Group Inc., a majority owned subsidiary of Employers Mutual Casualty Company (Employers Mutual), is an insurance holding company with operations in property and casualty insurance and reinsurance.  The Company writes property and casualty insurance in both commercial and personal lines of insurance, with a focus on medium-sized commercial accounts.  The term “Company” is used interchangeably to describe EMC Insurance Group Inc. (Parent Company only) and EMC Insurance Group Inc. and its subsidiaries.

The accompanying unaudited consolidated financial statements have been prepared on the basis of U.S. generally accepted accounting principles (GAAP) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X.  Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements.  The Company has evaluated all subsequent events through the date the financial statements were issued.  In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation of the interim financial statements have been included.  The results of operations for the interim periods reported are not necessarily indicative of results to be expected for the year.  The consolidated balance sheet at December 31, 2017 has been derived from the audited financial statements at that date, but does not include all of the information and notes required by GAAP for complete financial statements.

In reading these financial statements, reference should be made to the Company’s 2017 Form 10-K or the 2017 Annual Report to Stockholders for more detailed footnote information.

Accounting Pronouncements Adopted

In January 2016, the Financial Accounting Standards Board (FASB) updated its guidance related to Financial Instruments-Overall Subtopic 825-10 of the Accounting Standards Codification^TM (Codification or ASC).  The objective of this update is to enhance the reporting model for financial instruments to provide financial statement users with more decision-useful information. The major change in reporting from this update is a requirement that equity investments (excluding those accounted for under the equity method of accounting or those that are consolidated) be measured at fair value, with changes in fair value recognized in net income. Equity investments that do not have a readily determinable fair value may be measured at estimated fair value or cost less impairment. All of the Company's common and preferred stock equity investments were already measured at fair value, as they were classified as available-for-sale with changes in fair value recognized in other comprehensive income (excludes those investments that were consolidated and those that were accounted for under the equity method of accounting). The Company adopted this guidance on January 1, 2018, recording a cumulative-effect adjustment that moved $66.2 million from accumulated other comprehensive income to retained earnings, which is the amount of net unrealized investment gains on available-for-sale equity securities as of December 31, 2017, net of deferred income taxes. Management uses the equity method of accounting for a few holdings in privately placed common and non-redeemable convertible preferred stock investments in start-up technology companies with ties to the insurance industry, as well as for an investment company limited partnership in which the Company has a minor ownership interest (these investments are classified as other long-term investments). In connection with the adoption of this new guidance, beginning January 1, 2018, the equity adjustments for these investments are being reported as realized investment gains and losses from other long-term investments, rather than net investment income.

10

In March 2017, the FASB issued updated guidance in Compensation-Retirement Benefits Topic 715 of the ASC. The objective of this update is to improve the presentation of net periodic pension and postretirement benefit costs by disaggregating the components of these expenses (disclosing the service cost component separately from the other components) for income statement reporting, if a subtotal of income from operations is presented. The Company does not report a subtotal of income from operations in its financial statements. Also included in this update is a prohibition against including components of the net periodic pension and postretirement benefit costs, other than the service cost component, in any capitalized assets. In conjunction with the adoption of this updated guidance, management elected to report all components of net periodic pension and postretirement benefit income, other than the service cost component, as other income in the consolidated statements of income. The service cost component continues to be reported in other underwriting expenses. This change in reporting was applied retrospectively for comparison purposes and did not impact the net income amounts reported, as other income and other underwriting expenses increased by the same amount ($1.9 million and $1.3 million for the three months and $5.6 million and $3.8 million for the nine months ended September 30,2018 and 2017, respectively). The prohibition against including net periodic pension and postretirement benefit costs, other than the service cost component, in capitalized assets was adopted prospectively on January 1, 2018. The impact of the exclusion of these costs from capitalized assets resulted in a negligible impact on the deferred policy acquisition cost asset calculation at September 30, 2018 compared to that which would have been calculated previously.

In August 2018, the FASB issued updated guidance related to Fair Value Measurement Topic 820 of the ASC. The objective of this update is to improve the effectiveness of disclosures in the notes to financial statements as part of the FASB's disclosure framework project. As it relates to the Company's footnote disclosures, this update removes disclosure of the amount of, and reasons for, transfers between Level 1 and Level 2 of the fair value hierarchy, as well as the policy for timing of transfers between levels, but adds disclosure of the amount of unrealized gains and losses included in other comprehensive income for recurring Level 3 fair value measurements still held at the end of the reporting period. The Company adopted these disclosure modifications during the third quarter of 2018.

2. TRANSACTIONS WITH AFFILIATES

An inter-company reinsurance program is in place between the Company's insurance subsidiaries in the property and casualty insurance segment and Employers Mutual. This reinsurance program is intended to reduce the volatility of the Company's quarterly results caused by excessive catastrophe and storm losses, and provide protection from both the frequency and severity of such losses. The reinsurance program consists of two semi-annual aggregate catastrophe excess of loss treaties. The first treaty is effective from January 1, 2018 through June 30, 2018, and has a retention of $22.0 million and a limit of $24.0 million. The total cost of this treaty is approximately $6.0 million. The second treaty is effective from July 1, 2018 through December 31, 2018, and has a retention of $15.0 million and a limit of $12.0 million. The total cost of this treaty is approximately $1.4 million. The terms of these treaties were the same in 2017, with the exception of the retention amount contained in the treaty covering the first half of the year, which was $20.0 million. Losses and settlement expenses ceded to Employers Mutual under the inter-company reinsurance program totaled $2.4 million and $3.2 million for the three and nine months ended September 30,2018, respectively, compared to $3.5 million and $20.1 million for the same periods in 2017. All catastrophe and storm losses assumed by the property and casualty insurance subsidiaries (net of applicable reinsurance recoveries from external reinsurance protections purchased by the pool participants) are subject to the terms of these treaties, and there is no co-participation provision.

An inter-company reinsurance program is also in place between the Company's reinsurance subsidiary and Employers Mutual. The reinsurance program consists of two treaties. The first is a per occurrence catastrophe excess of loss treaty with a retention of $10.0 million, a limit of $10.0 million, 20 percent co-participation, and no reinstatement. The total cost of this treaty is approximately $1.6 million. The second is an annual aggregate catastrophe excess of loss treaty with a retention of $20.0 million, a limit of $100.0 million, and 20 percent co-participation. The total cost of this treaty is approximately $3.6 million. Any losses recovered under the per occurrence treaty inure to the benefit of the aggregate treaty, and only catastrophic events with total losses greater than $500,000 are subject to the terms of the aggregate treaty. The terms of the program were the same in 2017 with the exception of the costs, which were $1.7 million for the per occurrence treaty and $3.2 million for the annual aggregate treaty. Losses and settlement expenses ceded to Employers Mutual under the inter-company reinsurance program totaled a negative $1.9 million and a negative $2.4 million for the three and nine months ended September 30,2018, respectively, compared to $9.0 million and $9.0 million for the three and nine months ended September 30,2017 respectively. The negative amounts reported for the three and nine months ended September 30, 2018 reflect Industry Loss Warranty recoveries associated with 2017 catastrophes. The reinsurance segment retains 20 percent of these recoveries under the co-participation provision, with the remainder ceded to Employers Mutual.

11

3. REINSURANCE

The effect of reinsurance on premiums written and earned, and losses and settlement expenses incurred, for the three and nine months ended September 30, 2018 and 2017 is presented below.  The classification of the assumed and ceded reinsurance amounts between affiliates and nonaffiliates is based on the participants in the underlying reinsurance agreements, and is intended to provide an understanding of the actual source of the reinsurance activities.  This presentation differs from the classifications used in the consolidated financial statements, where all amounts flowing through the pooling and quota share agreements and inter-company reinsurance programs with Employers Mutual are reported as “affiliated” balances.

	Three months ended September 30, 2018
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	126,737		$	—		$	126,737
Assumed from nonaffiliates	1,138			42,211			43,349
Assumed from affiliates	159,648			—			159,648
Ceded to nonaffiliates	(7,309		)	(1,001		)	(8,310		)
Ceded to affiliates	(127,427		)	(1,312		)	(128,739		)
Net premiums written	$	152,787		$	39,898		$	192,685
Premiums earned
Direct	$	100,850		$	—		$	100,850
Assumed from nonaffiliates	1,017			41,128			42,145
Assumed from affiliates	133,781			—			133,781
Ceded to nonaffiliates	(7,895		)	(2,321		)	(10,216		)
Ceded to affiliates	(101,540		)	(1,312		)	(102,852		)
Net premiums earned	$	126,213		$	37,495		$	163,708
Losses and settlement expenses incurred
Direct	$	51,606		$	—		$	51,606
Assumed from nonaffiliates	1,039			31,378			32,417
Assumed from affiliates	87,992			311			88,303
Ceded to nonaffiliates	(5,205		)	(3,774		)	(8,979		)
Ceded to affiliates	(53,997		)	1,927			(52,070		)
Net losses and settlement expenses incurred	$	81,435		$	29,842		$	111,277

12

	Three months ended September 30, 2017
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	122,665		$	—		$	122,665
Assumed from nonaffiliates	1,333			38,955			40,288
Assumed from affiliates	153,900			—			153,900
Ceded to nonaffiliates	(10,532		)	(1,220		)	(11,752		)
Ceded to affiliates	(123,355		)	(1,212		)	(124,567		)
Net premiums written	$	144,011		$	36,523		$	180,534
Premiums earned
Direct	$	96,547		$	—		$	96,547
Assumed from nonaffiliates	1,225			38,463			39,688
Assumed from affiliates	128,325			—			128,325
Ceded to nonaffiliates	(8,388		)	(2,533		)	(10,921		)
Ceded to affiliates	(97,237		)	(1,212		)	(98,449		)
Net premiums earned	$	120,472		$	34,718		$	155,190
Losses and settlement expenses incurred
Direct	$	62,745		$	—		$	62,745
Assumed from nonaffiliates	961			57,268			58,229
Assumed from affiliates	81,047			277			81,324
Ceded to nonaffiliates	(4,435		)	(3,039		)	(7,474		)
Ceded to affiliates	(66,279		)	(8,969		)	(75,248		)
Net losses and settlement expenses incurred	$	74,039		$	45,537		$	119,576

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	Nine months ended September 30, 2018
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	325,360		$	—		$	325,360
Assumed from nonaffiliates	3,440			122,564			126,004
Assumed from affiliates	430,699			—			430,699
Ceded to nonaffiliates	(23,232		)	(9,015		)	(32,247		)
Ceded to affiliates	(332,010		)	(3,937		)	(335,947		)
Net premiums written	$	404,257		$	109,612		$	513,869
Premiums earned
Direct	$	295,606		$	—		$	295,606
Assumed from nonaffiliates	3,319			122,577			125,896
Assumed from affiliates	394,697			—			394,697
Ceded to nonaffiliates	(25,026		)	(7,540		)	(32,566		)
Ceded to affiliates	(302,256		)	(3,937		)	(306,193		)
Net premiums earned	$	366,340		$	111,100		$	477,440
Losses and settlement expenses incurred
Direct	$	165,962		$	—		$	165,962
Assumed from nonaffiliates	2,801			84,846			87,647
Assumed from affiliates	269,672			908			270,580
Ceded to nonaffiliates	(10,107		)	(6,338		)	(16,445		)
Ceded to affiliates	(169,137		)	2,389			(166,748		)
Net losses and settlement expenses incurred	$	259,191		$	81,805		$	340,996

14

	Nine months ended September 30, 2017
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	312,809		$	—		$	312,809
Assumed from nonaffiliates	3,542			108,056			111,598
Assumed from affiliates	415,426			—			415,426
Ceded to nonaffiliates	(27,109		)	(9,074		)	(36,183		)
Ceded to affiliates	(319,459		)	(3,637		)	(323,096		)
Net premiums written	$	385,209		$	95,345		$	480,554
Premiums earned
Direct	$	287,821		$	—		$	287,821
Assumed from nonaffiliates	3,370			110,563			113,933
Assumed from affiliates	375,601			—			375,601
Ceded to nonaffiliates	(22,014		)	(7,719		)	(29,733		)
Ceded to affiliates	(294,471		)	(3,637		)	(298,108		)
Net premiums earned	$	350,307		$	99,207		$	449,514
Losses and settlement expenses incurred
Direct	$	198,317		$	—		$	198,317
Assumed from nonaffiliates	2,406			104,685			107,091
Assumed from affiliates	258,169			942			259,111
Ceded to nonaffiliates	(9,400		)	(4,626		)	(14,026		)
Ceded to affiliates	(218,425		)	(8,979		)	(227,404		)
Net losses and settlement expenses incurred	$	231,067		$	92,022		$	323,089

Individual lines in the above tables are defined as follows:

• “Direct” represents business produced by the property and casualty insurance subsidiaries.

• “Assumed from nonaffiliates” for the property and casualty insurance subsidiaries represents their aggregate 30 percent pool participation percentage of involuntary business assumed by the pool participants pursuant to state law. For the reinsurance subsidiary, this line represents the reinsurance business assumed through the quota share agreement (including “fronting” activities initiated by Employers Mutual) and the business assumed outside the quota share agreement.

• “Assumed from affiliates” for the property and casualty insurance subsidiaries represents their aggregate 30 percent pool participation percentage of all the pool members’ direct business.  The amounts reported under the caption “Losses and settlement expenses incurred” also include claim-related services provided by Employers Mutual that are allocated to the property and casualty insurance subsidiaries and the reinsurance subsidiary.

• “Ceded to nonaffiliates” for the property and casualty insurance subsidiaries represents their aggregate 30 percent pool participation percentage of 1) the amounts ceded to nonaffiliated reinsurance companies in accordance with the terms of the reinsurance agreements providing protection to the pool and each of its participants, and 2) the amounts ceded on a mandatory basis to state organizations in connection with various programs.  For the reinsurance subsidiary, this line includes 1) reinsurance business that is ceded to other insurance companies in connection with “fronting” activities initiated by Employers Mutual, and 2) amounts ceded in connection with the purchase of additional reinsurance protection in peak exposure territories from external parties.

• “Ceded to affiliates” for the property and casualty insurance subsidiaries represents the cession of their direct business to Employers Mutual under the terms of the pooling agreement and amounts ceded to Employers Mutual under the terms of the inter-company reinsurance program.  For the reinsurance subsidiary this line represents amounts ceded to Employers Mutual under the terms of the inter-company reinsurance program.

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4. LIABILITY FOR LOSSES AND SETTLEMENT EXPENSES

The following table sets forth a reconciliation of beginning and ending reserves for losses and settlement expenses of the Company.  Amounts presented are on a net basis, with a reconciliation of beginning and ending reserves to the gross amounts presented in the consolidated financial statements.

	Nine months ended September 30,
($ in thousands)	2018			2017
Gross reserves at beginning of year	$	732,612		$	690,532
Re-valuation due to foreign currency exchange rates	525			(1,913		)
Less ceded reserves at beginning of year	30,923			20,664
Net reserves at beginning of year	701,164			671,781
Incurred losses and settlement expenses related to:
Current year	352,992			340,706
Prior years	(11,996		)	(17,617		)
Total incurred losses and settlement expenses	340,996			323,089
Paid losses and settlement expenses related to:
Current year	119,399			120,053
Prior years	193,673			173,986
Total paid losses and settlement expenses	313,072			294,039
Net reserves at end of period	729,088			700,831
Plus ceded reserves at end of period	32,661			25,348
Re-valuation due to foreign currency exchange rates	(168		)	282
Gross reserves at end of period	$	761,581		$	726,461

There is an inherent amount of uncertainty involved in the establishment of insurance liabilities.  This uncertainty is greatest in the current and more recent accident years because a smaller percentage of the expected ultimate claims have been reported, adjusted and settled compared to more mature accident years.  As the carried reserves for these accident years run off, the overall expectation is that, more often than not, favorable development will occur.  However, there is also the possibility that the ultimate settlement of liabilities associated with these accident years will show adverse development, and such adverse development could be substantial.

Changes in reserve estimates are reflected in net income in the year such changes are recorded.  Following is an analysis of the reserve development the Company experienced during the nine months ended September 30, 2018 and 2017.  Care should be exercised when attempting to analyze the financial impact of the reported development amounts because, as noted above, the overall expectation is that, more often than not, favorable development will occur as the prior accident years’ reserves run off.

16

2018 Development

For the property and casualty insurance segment, the September 30, 2018 estimate of loss and settlement expense reserves for accident years 2017 and prior decreased $12.5 million from the estimate at December 31, 2017.  This decrease represents 2.5 percent of the December 31, 2017 gross carried reserves and is primarily attributed to decreases in the ultimate loss and settlement expense ratios for several accident years in the other liability, commercial auto liability, surety bonds and personal auto liability lines of business. Favorable development in the other liability line of business was driven by a reduction in the expected ultimate loss and settlement expense ratios for accident years 2013 and 2015, although the ultimate settlement expense ratios for several prior years were reduced slightly as well. The ultimate loss and settlement expense ratios in the commercial auto liability line of business for accident years 2014 through 2017 were decreased as ultimate claim severities are projected to be better than initially expected. The workers' compensation, commercial property, auto physical damage and homeowners lines of business all experienced adverse development. The adverse development in the workers' compensation line of business is the result of an increase in the accident year 2017 ultimate loss and settlement expense ratio due to an initial underestimate of both ultimate frequency and severity, largely attributed to winter related slip and fall claims.

For the reinsurance segment, the September 30, 2018 estimate of loss and settlement expense reserves for accident years 2017 and prior increased $493,000 from the estimate at December 31, 2017.  This increase represents 0.2 percent of the December 31, 2017 gross carried reserves and is primarily attributed to reserve strengthening mainly in the casualty and multiline excess and pro rata contracts for accident years 2007, 2012, 2014, 2015 and 2017. This adverse development was partially offset by favorable development from Industry Loss Warranty recoveries on 2017 catastrophes.

2017 Development

For the property and casualty insurance segment, the September 30,2017 estimate of loss and settlement expense reserves for accident years 2016 and prior decreased $15.6 million from the estimate at December 31, 2016.  This decrease represented 3.2 percent of the December 31, 2016 gross carried reserves and was primarily attributed to reductions in prior year ultimate loss ratios for every line of business except commercial auto liability. The other liability line of business was the largest contributor to favorable development. The ultimate loss ratios for this line were decreased slightly for most accident years from 2003 through 2016 due to declines in expected ultimate claim frequency and/or severity. Due to increases in projected ultimate claim frequency and severity, the ultimate loss ratios in the commercial auto line of business were increased for accident years 2013 through 2016, producing adverse reserve development for that line of business. Included in the development amount is adverse development experienced in the other liability line of business stemming from the settlement of claims for past and future legal fess and losses on a multi-year asbestos exposure associated with a former insured, and a slight strengthening of remaining reserves.

For the reinsurance segment, the September 30,2017 estimate of loss and settlement expense reserves for accident years 2016 and prior increased $2.1 million from the estimate at December 31, 2016.  This increase represented 1.0 percent of the December 31, 2016 gross carried reserves and was primarily attributed to prior year reserve releases in the per risk excess, property/casualty global excess and property/casualty global pro rata contract types.

5. SEGMENT INFORMATION

The Company’s operations consist of a property and casualty insurance segment and a reinsurance segment.  The property and casualty insurance segment writes both commercial and personal lines of insurance, with a focus on medium-sized commercial accounts.  The reinsurance segment provides reinsurance for other insurers and reinsurers.  The segments are managed separately due to differences in the insurance products sold and the business environments in which they operate. Management evaluates the performance of its insurance segments using financial measurements based on Statutory Accounting Principles (SAP) instead of GAAP. Such measures include premiums written, premiums earned, statutory underwriting profit (loss), and investment results, as well as loss and loss adjustment expense ratios, trade underwriting expense ratios, and combined ratios.

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

Three months ended September 30, 2018	Property and casualty insurance		Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	126,213	$	37,495		$	—		$	163,708
Underwriting profit (loss):
SAP underwriting profit (loss)	138		(844		)	—			(706		)
GAAP adjustments	378		398			—			776
GAAP underwriting profit (loss)	516		(446		)	—			70
Net investment income	8,514		3,423			14			11,951
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	6,760		4,476			(101		)	11,135
Other income (loss)	2,184		147			—			2,331
Interest expense	170		—			—			170
Other expenses	282		—			591			873
Income (loss) before income tax expense (benefit)	$	17,522	$	7,600		$	(678	)	$	24,444

Three months ended September 30, 2017	Property and casualty insurance			Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	120,472		$	34,718		$	—		$	155,190
Underwriting profit (loss):
SAP underwriting profit (loss)	1,927			(18,364		)	—			(16,437		)
GAAP adjustments	4,582			194			—			4,776
GAAP underwriting profit (loss)	6,509			(18,170		)	—			(11,661		)
Net investment income	8,252			3,237			12			11,501
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	(108		)	(486		)	—			(594		)
Other income (loss)	1,457			(358		)	—			1,099
Interest expense	84			—			—			84
Other expenses	170			—			531			701
Income (loss) before income tax expense (benefit)	$	15,856		$	(15,777	)	$	(519	)	$	(440	)

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Nine months ended September 30, 2018	Property and casualty insurance			Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	366,340		$	111,100		$	—		$	477,440
Underwriting profit (loss):
SAP underwriting profit (loss)	(29,082		)	4,426			—			(24,656		)
GAAP adjustments	2,561			(355		)	—			2,206
GAAP underwriting profit (loss)	(26,521		)	4,071			—			(22,450		)
Net investment income	25,072			10,001			27			35,100
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	(1,225		)	1,208			(101		)	(118		)
Other income (loss)	6,330			389			—			6,719
Interest expense	483			—			—			483
Other expenses	759			—			1,815			2,574
Income (loss) before income tax expense (benefit)	$	2,414		$	15,669		$	(1,889	)	$	16,194
Assets	$	1,212,964		$	481,047		$	574,885		$	2,268,896
Eliminations	—			—			(564,796		)	(564,796		)
Reclassifications	(2,880		)	—			(118		)	(2,998		)
Total assets	$	1,210,084		$	481,047		$	9,971		$	1,701,102

Nine months ended September 30, 2017	Property and casualty insurance			Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	350,307		$	99,207		$	—		$	449,514
Underwriting profit (loss):
SAP underwriting profit (loss)	(9,559		)	(14,899		)	—			(24,458		)
GAAP adjustments	4,301			(942		)	—			3,359
GAAP underwriting profit (loss)	(5,258		)	(15,841		)	—			(21,099		)
Net investment income	24,225			9,421			33			33,679
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	3,033			(867		)	—			2,166
Other income (loss)	4,457			(1,457		)	—			3,000
Interest expense	253			—			—			253
Other expenses	580			—			1,684			2,264
Income (loss) before income tax expense (benefit)	$	25,624		$	(8,744	)	$	(1,651	)	$	15,229
Year ended December 31, 2017
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

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The following table displays the premiums earned for the property and casualty insurance segment and the reinsurance segment for the three and nine months ended September 30, 2018 and 2017, by line of insurance.

	Three months ended September 30,				Nine months ended September 30,
($ in thousands)	2018		2017		2018		2017
Property and casualty insurance
Commercial lines:
Automobile	$	32,851	$	30,229	$	95,155	$	87,275
Property	25,271		27,980		79,059		79,551
Workers' compensation	24,249		25,373		74,380		75,419
Other liability	31,399		24,996		81,952		73,378
Other	2,368		2,203		6,782		6,509
Total commercial lines	116,138		110,781		337,328		322,132
Personal lines	10,075		9,691		29,012		28,175
Total property and casualty insurance	$	126,213	$	120,472	$	366,340	$	350,307
Reinsurance
Pro rata reinsurance	$	10,484	$	10,730	$	33,627	$	33,181
Excess of loss reinsurance	27,011		23,988		77,473		66,026
Total reinsurance	$	37,495	$	34,718	$	111,100	$	99,207
Consolidated	$	163,708	$	155,190	$	477,440	$	449,514

6. INCOME TAXES

The actual income tax expense (benefit) for the three and nine months ended September 30, 2018 and 2017 differed from the “expected” income tax expense (benefit) for those periods (computed by applying the United States federal corporate tax rates of 21 percent during 2018 and 35 percent during 2017 to income (loss) before income tax) as follows:

	Three months ended   September 30,						Nine months ended   September 30,
($ in thousands)	2018			2017			2018			2017
Computed "expected" income tax expense (benefit)	$	5,134		$	(154	)	$	3,401		$	5,330
Increases (decreases) in tax resulting from:
Incremental benefit of net operating loss carry back	839			—			—			—
Tax-exempt interest income	(290		)	(656		)	(897		)	(2,122		)
Dividends received deduction	(126		)	(294		)	(400		)	(948		)
Proration of tax-exempt interest and dividends received deduction	104			142			324			460
Other, net	(365		)	(224		)	(311		)	(545		)
Total income tax expense (benefit)	$	5,296		$	(1,186	)	$	2,117		$	2,175

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Pursuant to Staff Accounting Bulletin No. 118 issued by the Securities Exchange Commission, the Company made reasonable estimates of the effects the Tax Cuts and Jobs Act of 2017 (TCJA) had on deferred income tax assets and liabilities at December 31, 2017. For items where the Company could not make a reasonable estimate, primarily loss reserve discounting, the Company used existing accounting guidance and the provisions of the tax laws that were in place prior to the enactment. Beginning in the first quarter of 2018, the Company is using estimated industry discount factors until further guidance and updated discount factors are released by the Internal Revenue Service (IRS). The Company continues to wait on updated guidance from the IRS to complete its analysis of the effects of the TCJA.

The Company had no provision for uncertain income tax positions at September 30, 2018 or December 31, 2017.  The Company recognized no interest expense or other penalties related to U.S. federal or state income taxes during the three or nine months ended September 30, 2018 or 2017.  It is the Company’s accounting policy to reflect income tax penalties as other expense, and interest as interest expense.

The Company files a U.S. federal income tax return, along with various state income tax returns.  The Company is no longer subject to U.S. federal and state income tax examinations by tax authorities for years before 2015.  

7. EMPLOYEE RETIREMENT PLANS

The components of net periodic benefit cost (income) for Employers Mutual’s pension and postretirement benefit plans is as follows:

	Three months ended   September 30,						Nine months ended   September 30,
($ in thousands)	2018			2017			2018			2017
Pension plans:
Service cost	$	4,213		$	3,783		$	12,639		$	11,351
Interest cost	2,681			2,798			8,044			8,393
Expected return on plan assets	(6,013		)	(5,192		)	(18,039		)	(15,574		)
Amortization of net actuarial loss	135			911			403			2,732
Amortization of prior service cost	—			5			—			15
Net periodic pension benefit cost	$	1,016		$	2,305		$	3,047		$	6,917
Postretirement benefit plans:
Service cost	$	369		$	341		$	1,105		$	1,022
Interest cost	521			570			1,563			1,710
Expected return on plan assets	(1,204		)	(1,077		)	(3,611		)	(3,233		)
Amortization of net actuarial loss	234			342			701			1,028
Amortization of prior service credit	(2,783		)	(2,788		)	(8,347		)	(8,365		)
Net periodic postretirement benefit income	$	(2,863	)	$	(2,612	)	$	(8,589	)	$	(7,838	)

Net periodic pension benefit cost allocated to the Company amounted to $305,000 and $692,000 for the three months and $914,000 and $2.1 million for the nine months ended September 30, 2018 and 2017, respectively.  Net periodic postretirement benefit income allocated to the Company amounted to $806,000 and $736,000 for the three months and $2.4 million and $2.2 million for the nine months ended September 30, 2018 and 2017, respectively. The service cost component of net periodic pension and postretirement benefit cost/(income) allocated to the Company is included in the income statement line titled "other underwriting expenses". The other components of net periodic pension and postretirement benefit cost/(income) are included in the income statement line titled "other income".

The Company does not plan to make additional contributions to the pension plan in 2018. No contributions will be made to the Voluntary Employee Beneficiary Association (VEBA) trust in 2018.

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8. STOCK-BASED COMPENSATION

The Company has a stock-based compensation plan for non-employee directors. Employers Mutual also has several stock plans which utilize the common stock of the Company.  Employers Mutual can provide the common stock required under its plans by: 1) using shares of common stock that it currently owns; 2) purchasing common stock in the open market; or 3) directly purchasing common stock from the Company at the current fair value. Employers Mutual's current practice is to purchase common stock from the Company for use in all of its stock plans (including its non-employee director stock purchase plan and its employee stock purchase plan). A portion of the compensation expense recognized by Employers Mutual (as the requisite service period for restricted stock awards/units is rendered) is allocated to the Company’s property and casualty insurance subsidiaries though their participation in the pooling agreement.

An account Employers Mutual established to hold previously granted restricted stock awards until they vest will periodically contain excess shares of the Company's stock stemming from forfeitures and surrenders. During the first nine months of 2018, the Company repurchased 30,523 shares of stock from this unvested restricted stock account at an average cost of $26.30. These repurchased shares are not deemed to be shares repurchased under the Company's stock repurchase program.

During the first nine months of 2018, 120,439 restricted stock units were granted to eligible employees of Employers Mutual and 2,800 shares of restricted stock awards were granted to non-employee directors of the Company. Under the stock plans, 92,214 shares of restricted stock vested, and 79,946 options were exercised at a weighted average exercise price of $14.53. The Company recognized compensation expense from these plans of $224,000 ($177,000 net of tax) and $296,000 ($192,000 net of tax) for the three months and $830,000 ($656,000 net of tax) and $508,000 ($330,000 net of tax) for the nine months ended September 30, 2018 and 2017, respectively.  

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9. DISCLOSURES ABOUT THE FAIR VALUES OF FINANCIAL INSTRUMENTS

The carrying amounts and estimated fair values of the Company’s financial instruments as of September 30, 2018 and December 31, 2017 are summarized in the tables below.

September 30, 2018	Carrying amounts		Estimated fair values
($ in thousands)
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	7,858	$	7,858
U.S. government-sponsored agencies	290,057		290,057
Obligations of states and political subdivisions	282,307		282,307
Commercial mortgage-backed	75,314		75,314
Residential mortgage-backed	146,725		146,725
Other asset-backed	21,329		21,329
Corporate	424,482		424,482
Total fixed maturity securities available-for-sale	1,248,072		1,248,072
Equity investments, at fair value
Common stocks:
Financial services	48,647		48,647
Information technology	39,711		39,711
Healthcare	33,389		33,389
Consumer staples	13,302		13,302
Consumer discretionary	24,087		24,087
Energy	17,808		17,808
Industrials	23,943		23,943
Other	15,029		15,029
Non-redeemable preferred stocks	18,706		18,706
Investment funds	4,146		4,146
Total equity investments	238,768		238,768
Short-term investments	33,717		33,717
Liabilities:
Surplus notes	25,000		15,145

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December 31, 2017	Carrying amounts		Estimated fair values
($ in thousands)
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	8,078	$	8,078
U.S. government-sponsored agencies	297,949		297,949
Obligations of states and political subdivisions	307,536		307,536
Commercial mortgage-backed	83,980		83,980
Residential mortgage-backed	119,799		119,799
Other asset-backed	24,114		24,114
Corporate	433,560		433,560
Total fixed maturity securities available-for-sale	1,275,016		1,275,016
Equity securities available-for-sale:
Common stocks:
Financial services	43,522		43,522
Information technology	35,810		35,810
Healthcare	30,595		30,595
Consumer staples	14,127		14,127
Consumer discretionary	20,538		20,538
Energy	16,905		16,905
Industrials	28,489		28,489
Other	16,421		16,421
Non-redeemable preferred stocks	21,708		21,708
Total equity securities available-for-sale	228,115		228,115
Short-term investments	23,613		23,613
Liabilities:
Surplus notes	25,000		16,689

The estimated fair values of fixed maturity and equity securities is based on quoted market prices, where available.  In cases where quoted market prices are not available, fair values are based on a variety of valuation techniques depending on the type of security. During 2018, the Company invested in a fewprivately placed equity investments. One of these was in the form of preferred units in a limited liability corporation offering weather-related predictive analytics and risk mitigation tools. In accordance with the new guidance related to financial instruments that was adopted January 1, 2018, this investment does not have a readily determinable fair value. Therefore, the Company has elected to measure this investment at the alternative measurement of cost, adjusted for impairments and observable price changes. No impairment losses have been made to this investment. Due to the alternative measurement classification, this investment is excluded from the disclosures in this footnote. The other privately placed equity investment, also in the field of insurance technology, is accounted for under the equity method of accounting, and as such is also excluded from these fair value disclosures. Since 2016, the Company has held another privately placed equity investment in the form of non-redeembable convertible preferred stock issued by a start-up technology company that Employers Mutual works with in its data analytics activities. During 2018, the Company purchased common stock in this entity. The Company accounts for its investment in this entity under the equity method of accounting, and as such is excluded from these fair value disclosures.

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Short-term investments generally include money market funds, U.S. Treasury bills and commercial paper.  Short-term investments are carried at fair value, which approximates cost, due to the highly liquid nature of the securities.   Short-term securities are classified as Level 1 fair value measurements when the fair values can be validated by recent trades.  When recent trades are not available, fair value is deemed to be the cost basis and the securities are classified as Level 2 fair value measurements.

The estimated fair value of the surplus notes is derived by discounting future expected cash flows at a rate deemed appropriate over a 25-year term (the surplus notes have no stated maturity date, and the interest to be paid is assumed to continue at the current interest rate in place of 2.73 percent).

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.  The following fair value hierarchy prioritizes inputs to valuation techniques used to measure fair value.

Level 1 -	Unadjusted quoted prices for identical assets or liabilities in active markets that the Company has the ability to access.
Level 2 -	Quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in inactive markets; or valuations based on models where the significant inputs are observable (e.g., interest rates, yield curves, prepayment speeds, default rates, loss severities, etc.) or can be corroborated by observable market data.
Level 3 -	Prices or valuation techniques that require significant unobservable inputs because observable inputs are not available.  The unobservable inputs may reflect the Company’s own judgments about the assumptions that market participants would use.
NAV -	The fair values of investment company limited partnership investments and similar vehicles (referred to as investment funds) are based on the capital account balances reported by the investment funds subject to their management review and adjustment. These capital account balances reflect the fair value of the investment funds.

The Company uses an independent pricing source to obtain the estimated fair values of a majority of its securities, subject to an internal validation.  The fair values are based on quoted market prices, where available.  This is typically the case for equity securities and money market funds, which are accordingly classified as Level 1 fair value measurements.  In cases where quoted market prices are not available, fair values are based on a variety of valuation techniques depending on the type of security.  Fixed maturity securities, non-redeemable preferred stocks and various short-term investments in the Company’s portfolio may not trade on a daily basis; however, observable inputs are utilized in their valuations, and these securities are therefore classified as Level 2 fair value measurements.  Following is a brief description of the various pricing techniques used by the independent pricing source for different asset classes.

• U.S. Treasury securities (including bonds, notes, and bills) are priced according to a number of live data sources, including active market makers and inter-dealer brokers.  Prices from these sources are reviewed based on the sources’ historical accuracy for individual issues and maturity ranges.

• U.S. government-sponsored agencies and corporate securities (including fixed-rate corporate bonds and medium-term notes) are priced by determining a bullet (non-call) spread scale for each issuer for maturities going out to forty years.  These spreads represent credit risk and are obtained from the new issue market, secondary trading, and dealer quotes.  An option adjusted spread model is incorporated to adjust spreads of issues that have early redemption features.  The final spread is then added to the U.S. Treasury curve.

• Obligations of states and political subdivisions are priced by tracking and analyzing actively quoted issues and reported trades, material event notices and benchmark yields.  Municipal bonds with similar characteristics are grouped together into market sectors, and internal yield curves are constructed daily for these sectors.  Individual bond evaluations are extrapolated from these sectors, with the ability to make individual spread adjustments for attributes such as discounts, premiums, alternative minimum tax, and/or whether or not the bond is callable.

25

• Mortgage-backed and asset-backed securities are first reviewed for the appropriate pricing speed (if prepayable), spread, yield and volatility.  The securities are priced with models using spreads and other information solicited from market buy- and sell-side sources, including primary and secondary dealers, portfolio managers, and research analysts.  To determine a tranche’s price, first the benchmark yield is determined and adjusted for collateral performance, tranche level attributes and market conditions.  Then the cash flow for each tranche is generated (using consensus prepayment speed assumptions including, as appropriate, a prepayment projection based on historical statistics of the underlying collateral).  The tranche-level yield is used to discount the cash flows and generate the price.  Depending on the characteristics of the tranche, a volatility-driven, multi-dimensional single cash flow stream model or an option-adjusted spread model may be used.  When cash flows or other security structure or market information is not available, broker quotes may be used.

On a quarterly basis, the Company receives from its independent pricing service a list of fixed maturity securities, if any, that were priced solely from broker quotes.  For these securities, fair value may be determined using the broker quotes, or by the Company using similar pricing techniques as the Company’s independent pricing service.  Depending on the level of observable inputs, these securities would be classified as Level 2 or Level 3 fair value measurements.   At September 30, 2018 and December 31, 2017, the Company had no securities priced solely from broker quotes.

A small number of the Company’s securities are not priced by the independent pricing service.  One of these is an equity security that is reported as a Level 3 fair value measurement since no observable inputs are used in its valuation.  This security continues to be reported at the fair value obtained from the Securities Valuation Office (SVO) of the National Association of Insurance Commissioners (NAIC).  The SVO establishes a per share price for this security based on an annual review of that company’s financial statements, typically performed during the second quarter.  The other securities not priced by the Company’s independent pricing service consist of six fixed maturity securities (eight at December 31, 2017). Two of these fixed maturity securities, classified as Level 3 fair value measurements, are corporate securities that convey premium tax benefits and are not publicly traded. The fair values for these securities are based on discounted cash flow analyses. The other fixed maturity securities are classified as Level 2 fair value measurements.  The fair values for these fixed maturity securities were obtained from either the SVO, the Company's investment custodian, or the Company's investment department using similar pricing techniques as the Company’s independent pricing service.

26

Presented in the tables below are the estimated fair values of the Company’s financial instruments as of September 30, 2018 and December 31, 2017.

September 30, 2018					Fair value measurements using
($ in thousands)	Total		Investments measured at net asset value (NAV)		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Financial instruments reported at fair value on recurring basis:
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	7,858	$	—	$	—	$	7,858	$	—
U.S. government-sponsored agencies	290,057		—		—		290,057		—
Obligations of states and political subdivisions	282,307		—		—		282,307		—
Commercial mortgage-backed	75,314		—		—		75,314		—
Residential mortgage-backed	146,725		—		—		146,725		—
Other asset-backed	21,329		—		—		21,329		—
Corporate	424,482		—		—		424,133		349
Total fixed maturity securities available-for-sale	1,248,072		—		—		1,247,723		349
Equity investments, at fair value:
Common stocks:
Financial services	48,647		—		48,647		—		—
Information technology	39,711		—		39,711		—		—
Healthcare	33,389		—		33,389		—		—
Consumer staples	13,302		—		13,302		—		—
Consumer discretionary	24,087		—		24,087		—		—
Energy	17,808		—		17,808		—		—
Industrials	23,943		—		23,943		—		—
Other	15,029		—		15,029		—		—
Non-redeemable preferred stocks	18,706		—		9,093		9,613		—
Investment funds	4,146		4,146		—		—		—
Total equity investments	238,768		4,146		225,009		9,613		—
Short-term investments	33,717		—		33,717		—		—
Financial instruments not reported at fair value:
Liabilities:
Surplus notes	15,145		—		—		—		15,145

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December 31, 2017					Fair value measurements using
($ in thousands)	Total		Investments measured at net asset value (NAV)		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Financial instruments reported at fair value on recurring basis:
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	8,078	$	—	$	—	$	8,078	$	—
U.S. government-sponsored agencies	297,949		—		—		297,949		—
Obligations of states and political subdivisions	307,536		—		—		307,536		—
Commercial mortgage-backed	83,980		—		—		83,980		—
Residential mortgage-backed	119,799		—		—		119,799		—
Other asset-backed	24,114		—		—		24,114		—
Corporate	433,560		—		—		432,940		620
Total fixed maturity securities available-for-sale	1,275,016		—		—		1,274,396		620
Equity securities available-for-sale:
Common stocks:
Financial services	43,522		—		43,519		—		3
Information technology	35,810		—		35,810		—		—
Healthcare	30,595		—		30,595		—		—
Consumer staples	14,127		—		14,127		—		—
Consumer discretionary	20,538		—		20,538		—		—
Energy	16,905		—		16,905		—		—
Industrials	28,489		—		28,489		—		—
Other	16,421		—		16,421		—		—
Non-redeemable preferred stocks	21,708		—		9,512		10,196		2,000
Total equity securities available-for-sale	228,115		—		215,916		10,196		2,003
Short-term investments	23,613		—		23,613		—		—
Financial instruments not reported at fair value:
Liabilities:
Surplus notes	16,689		—		—		—		16,689

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Presented in the table below is a reconciliation of the assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three and nine months ended September 30, 2018 and 2017.  Any unrealized gains or losses on fixed maturity securities are recognized in other comprehensive income (loss).  Any gains or losses from settlements, disposals, impairments and, starting in 2018, unrealized gains or losses on equity securities are reported as realized investment gains or losses in net income.

($ in thousands)	Fair value measurements using significant unobservable (Level 3) inputs
Three months ended September 30, 2018	Fixed maturity securities available-for-sale, corporate			Equity securities, financial services			Total
Beginning balance	$	474		$	—		$	474
Settlements	(125		)	—			(125		)
Balance at September 30, 2018	$	349		$	—		$	349
Nine months ended September 30, 2018
Beginning balance	$	620		$	3		$	623
Settlements	(270		)	—			(270		)
Unrealized losses included in net income	—			(3		)	(3		)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date	(1		)	—			(1		)
Balance at September 30, 2018	$	349		$	—		$	349

($ in thousands)	Fair value measurements using significant unobservable (Level 3) inputs
Three months ended September 30, 2017	Fixed maturity securities available-for-sale, corporate			Equity securities available-for-sale, financial services		Equity securities available-for-sale, non-redeemable preferred stocks		Total
Beginning balance	$	840		$	3	$	2,000	$	2,843
Settlements	(125		)	—		—		(125		)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date	(1		)	—		—		(1		)
Balance at September 30, 2017	$	714		$	3	$	2,000	$	2,717
Nine months ended September 30, 2017
Beginning balance	$	982		$	3	$	2,000	$	2,985
Settlements	(265		)	—		—		(265		)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date	(3		)	—		—		(3		)
Balance at September 30, 2017	$	714		$	3	$	2,000	$	2,717

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10. INVESTMENTS

Investments of the Company’s insurance subsidiaries are subject to the insurance laws of the state of their incorporation. These laws prescribe the kind, quality and concentration of investments that may be made by insurance companies.  In general, these laws permit investments, within specified limits and subject to certain qualifications, in federal, state and municipal obligations, corporate bonds, preferred and common stocks and real estate mortgages.  The Company believes that it is in compliance with these laws.

The amortized cost and estimated fair value of securities available-for-sale as of September 30, 2018 and December 31, 2017 are as follows.  All fixed maturity securities are classified as available-for-sale and are carried at fair value.

September 30, 2018	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair values
($ in thousands)
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	8,133	$	—	$	275	$	7,858
U.S. government-sponsored agencies	305,159		—		15,102		290,057
Obligations of states and political subdivisions	274,342		8,773		808		282,307
Commercial mortgage-backed	78,943		209		3,838		75,314
Residential mortgage-backed	149,847		1,925		5,047		146,725
Other asset-backed	22,165		313		1,149		21,329
Corporate	426,386		2,698		4,602		424,482
Total fixed maturity securities	$	1,264,975	$	13,918	$	30,821	$	1,248,072

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December 31, 2017	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair values
($ in thousands)
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	8,115	$	—	$	37	$	8,078
U.S. government-sponsored agencies	303,932		122		6,105		297,949
Obligations of states and political subdivisions	290,038		17,729		231		307,536
Commercial mortgage-backed	84,058		591		669		83,980
Residential mortgage-backed	120,554		2,479		3,234		119,799
Other asset-backed	23,934		625		445		24,114
Corporate	422,535		11,490		465		433,560
Total fixed maturity securities	1,253,166		33,036		11,186		1,275,016
Equity securities:
Common stocks:
Financial services	30,103		13,594		175		43,522
Information technology	18,308		17,504		2		35,810
Healthcare	18,877		11,876		158		30,595
Consumer staples	9,275		4,917		65		14,127
Consumer discretionary	10,935		9,640		37		20,538
Energy	12,441		5,381		917		16,905
Industrials	12,746		15,757		14		28,489
Other	11,058		5,363		—		16,421
Non-redeemable preferred stocks	20,531		1,216		39		21,708
Total equity securities	144,274		85,248		1,407		228,115
Total securities available-for-sale	$	1,397,440	$	118,284	$	12,593	$	1,503,131

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The following tables set forth the estimated fair values and gross unrealized losses associated with investment securities that were in an unrealized loss position recognized in accumulated other comprehensive income as of September 30, 2018 and December 31, 2017, listed by length of time the securities were consistently in an unrealized loss position.

September 30, 2018	Less than twelve months				Twelve months or longer				Total
($ in thousands)	Fair values		Unrealized losses		Fair values		Unrealized losses		Fair values		Unrealized losses
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	7,621	$	263	$	237	$	12	$	7,858	$	275
U.S. government-sponsored agencies	145,814		5,252		144,243		9,850		290,057		15,102
Obligations of states and political subdivisions	21,833		185		11,881		623		33,714		808
Commercial mortgage-backed	43,343		2,014		24,829		1,824		68,172		3,838
Residential mortgage-backed	89,534		2,439		33,240		2,608		122,774		5,047
Other asset-backed	4,969		124		11,985		1,025		16,954		1,149
Corporate	217,534		4,020		11,856		582		229,390		4,602
Total fixed maturity securities	$	530,648	$	14,297	$	238,271	$	16,524	$	768,919	$	30,821

December 31, 2017	Less than twelve months				Twelve months or longer				Total
($ in thousands)	Fair values		Unrealized losses		Fair values		Unrealized losses		Fair values		Unrealized losses
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	8,078	$	37	$	—	$	—	$	8,078	$	37
U.S. government-sponsored agencies	134,284		1,491		127,604		4,614		261,888		6,105
Obligations of states and political subdivisions	—		—		14,416		231		14,416		231
Commercial mortgage-backed	32,155		221		8,530		448		40,685		669
Residential mortgage-backed	30,003		394		22,948		2,840		52,951		3,234
Other asset-backed	—		—		13,440		445		13,440		445
Corporate	28,314		329		4,047		136		32,361		465
Total fixed maturity securities	232,834		2,472		190,985		8,714		423,819		11,186
Equity securities:
Common stocks:
Financial services	4,391		175		—		—		4,391		175
Information technology	344		2		—		—		344		2
Healthcare	2,532		158		—		—		2,532		158
Consumer staples	575		65		—		—		575		65
Consumer discretionary	992		37		—		—		992		37
Energy	3,181		917		—		—		3,181		917
Industrials	3,016		14		—		—		3,016		14
Non-redeemable preferred stocks	—		—		1,961		39		1,961		39
Total equity securities	15,031		1,368		1,961		39		16,992		1,407
Total temporarily impaired securities	$	247,865	$	3,840	$	192,946	$	8,753	$	440,811	$	12,593

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Nearly all of the fixed maturity securities that are in an unrealized loss position are considered investment grade by credit rating agencies. Because management does not intend to sell these securities, does not believe it will be required to sell these securities before recovery, and believes it will collect the amounts due on these securities, it was determined that these securities were not “other-than-temporarily” impaired at September 30, 2018.

The amortized cost and estimated fair values of fixed maturity securities at September 30, 2018, by contractual maturity, are shown below.  Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations, with or without call or prepayment penalties.

($ in thousands)	Amortized cost		Estimated fair values
Securities available-for-sale:
Due in one year or less	$	40,384	$	40,719
Due after one year through five years	224,706		225,537
Due after five years through ten years	365,415		360,172
Due after ten years	404,097		398,067
Securities not due at a single maturity date	230,373		223,577
Totals	$	1,264,975	$	1,248,072

A summary of realized investment gains and (losses) and the change in unrealized investment gains on equity investments is as follows:

	Three months ended September 30,						Nine months ended September 30,
($ in thousands)	2018			2017			2018			2017
Fixed maturity securities available-for-sale:
Gross realized investment gains	$	90		$	29		$	324		$	408
Gross realized investment losses	(1,050		)	(230		)	(7,018		)	(2,316		)
Equity securities:
Net realized investment gains, excluding "other-than-temporary" impairments	4,325			961			8,520			9,763
Change in unrealized investment gains	9,502			XXXX			(799		)	XXXX
"Other-than-temporary" impairments	XXXX			(355		)	XXXX			(1,088		)
Other long-term investments, net	(1,732		)	(999		)	(1,145		)	(4,601		)
Totals	$	11,135		$	(594	)	$	(118	)	$	2,166

Gains and losses realized on the disposition of investments are included in net income.  The cost of investments sold is determined on the specific identification method using the highest cost basis first.  The Company did not have any outstanding cumulative credit losses on fixed maturity securities that have been recognized in earnings from “other-than-temporary” impairments during any of the reported periods. The net realized investment gains (losses) recognized on other long-term investments primarily represent changes in the carrying value of a limited partnership that is used solely to support an equity tail-risk hedging strategy.

11. CONTINGENT LIABILITIES

The Company and Employers Mutual and its other subsidiaries are parties to numerous lawsuits arising in the normal course of the insurance business.  The Company believes that the resolution of these lawsuits will not have a material adverse effect on its financial condition or its results of operations.  The companies involved have established reserves which are believed adequate to cover any potential liabilities arising out of all such pending or threatened proceedings.

33

The participants in the pooling agreement have purchased annuities from life insurance companies, under which the claimant is payee, to fund future payments that are fixed pursuant to specific claim settlement provisions.  The Company’s share of case loss reserves eliminated by the purchase of those annuities was $110,000 at December 31, 2017.  The Company had a contingent liability for the aggregate guaranteed amount of the annuities of $183,000 at December 31, 2017 should the issuers of those annuities fail to perform.  Although management is not able to verify the amount, the Company would likely have a similar contingent liability at September 30, 2018.  The probability of a material loss due to failure of performance by the issuers of these annuities is considered remote.

12. STOCK REPURCHASE PROGRAM

On November 3, 2011, the Company’s Board of Directors authorized a $15.0 million stock repurchase program.  This program does not have an expiration date.  The timing and terms of the purchases are determined by management based on board approved parameters and market conditions, and are conducted in accordance with the applicable rules of the Securities and Exchange Commission.  Common stock repurchased under this program will be retired by the Company.  The Company repurchased 25,300 shares of its common stock at an average cost of $25.76 during the first nine months of 2018. No repurchases were made during the first nine months of 2017.

13. ACCUMULATED OTHER COMPREHENSIVE INCOME

The Company has available-for-sale securities and receives an allocation of the actuarial losses and net prior service credits associated with Employers Mutual’s pension and postretirement benefit plans, both of which generate accumulated other comprehensive income (loss) amounts.  The following table reconciles, by component, the beginning and ending balances of accumulated other comprehensive income (loss), net of tax.

	Accumulated other comprehensive income (loss) by component
	Unrealized gains (losses) on available-for- sale securities			Unrecognized pension and postretirement benefit obligations
($ in thousands)				Net actuarial loss			Prior service credit			Total			Total
Balance at December 31, 2017	$	83,497		$	(13,074	)	$	12,961		$	(113	)	$	83,384
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	(66,234		)	—			—			—			(66,234		)
Other comprehensive income (loss) before reclassifications	(35,903		)	—			—			—			(35,903		)
Amounts reclassified from accumulated other comprehensive income (loss)	5,288			250			(1,867		)	(1,617		)	3,671
Other comprehensive income (loss)	(30,615		)	250			(1,867		)	(1,617		)	(32,232		)
Balance at September 30, 2018	$	(13,352	)	$	(12,824	)	$	11,094		$	(1,730	)	$	(15,082	)

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	Accumulated other comprehensive income (loss) by component
	Unrealized gains (losses) on available-for- sale securities			Unrecognized pension and postretirement benefit obligations
($ in thousands)				Net actuarial loss			Prior service credit			Total			Total
Balance at December 31, 2016	$	49,748		$	(16,299	)	$	12,632		$	(3,667	)	$	46,081
Other comprehensive income (loss) before reclassifications	23,460			—			—			—			23,460
Amounts reclassified from accumulated other comprehensive income (loss)	(4,399		)	719			(1,535		)	(816		)	(5,215		)
Other comprehensive income (loss)	19,061			719			(1,535		)	(816		)	18,245
Balance at September 30, 2017	$	68,809		$	(15,580	)	$	11,097		$	(4,483	)	$	64,326

The following tables display amounts reclassified out of accumulated other comprehensive income and into net income during the three and nine months ended September 30, 2018 and 2017, respectively.

($ in thousands)	Amounts reclassified from accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss) components	Three months ended   September 30, 2018			Nine months ended   September 30, 2018			Affected line item in the consolidated statements of income
Unrealized gains (losses) on investments:
Reclassification adjustment for net realized investment gains (losses) included in net income	$	(960	)	$	(6,694	)	Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments
Deferred income tax (expense) benefit	202			1,406			Total income tax expense (benefit)
Net reclassification adjustment	(758		)	(5,288		)	Net income
Unrecognized pension and postretirement benefit obligations:
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income:
Net actuarial loss	(106		)	(316		)	(1)
Prior service credit	788			2,363			(1)
Total before tax	682			2,047
Deferred income tax (expense) benefit	(143		)	(430		)
Net reclassification adjustment	539			1,617
Total reclassification adjustment	$	(219	)	$	(3,671	)

(1) These reclassified components of accumulated other comprehensive income are included in the computation of net periodic pension and postretirement benefit income (see note 7, Employee Retirement Plans, for additional details).

35

($ in thousands)	Amounts reclassified from accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss) components	Three months ended September 30, 2017			Nine months ended September 30, 2017			Affected line item in the consolidated statements of income
Unrealized gains (losses) on investments:
Reclassification adjustment for net realized investment gains (losses) included in net income	$	405		$	6,767		Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments
Deferred income tax (expense) benefit	(141		)	(2,368		)	Total income tax expense (benefit)
Net reclassification adjustment	264			4,399			Net income
Unrecognized pension and postretirement benefit obligations:
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income:
Net actuarial loss	(370		)	(1,107		)	(1)
Prior service credit	787			2,362			(1)
Total before tax	417			1,255
Deferred income tax (expense) benefit	(146		)	(439		)
Net reclassification adjustment	271			816
Total reclassification adjustment	$	535		$	5,215

(1) These reclassified components of accumulated other comprehensive income are included in the computation of net periodic pension and postretirement benefit income (see note 7, Employee Retirement Plans, for additional details).

14. NEW ACCOUNTING PRONOUNCEMENTS NOT YET ADOPTED

In February 2016, the FASB issued updated guidance in Leases Topic 842 of the ASC, which supersedes the guidance in Leases Topic 840 of the ASC. The objective of this update is to increase transparency and comparability among organizations by requiring recognition of lease assets and lease liabilities on the balance sheet, and disclosure of key information about leasing arrangements. This guidance is effective for interim and annual periods beginning after December 15, 2018, and is to be applied using a modified retrospective approach. Early adoption is permitted. The Company will adopt this guidance during the first quarter of 2019. Management's research of this guidance led to the conclusion that lease costs allocated to the Company through the pooling and quota share agreements can not be attributed to a specified asset, and therefore do not meet the definition of a leased asset contained in the guidance. As a result, adoption of this guidance is not expected to have an impact on the Company's consolidated financial condition or net income.

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In June 2016, the FASB issued updated guidance in Financial Instruments-Credit Losses Topic 326 of the ASC. The objective of this update is to provide information about expected credit losses on financial instruments and other commitments to extend credit. Specifically, this updated guidance replaces the current incurred loss impairment methodology which delays recognition of a loss until it is probable a loss has been incurred, with a methodology that reflects expected credit losses considering a broader range of reasonable and supportable information. This guidance covers financial assets that are not accounted for at fair value through net income, thus will not be applicable to the Company's equity investments upon implementation of the updated guidance described above for the Financial Instruments-Overall Subtopic 825-10. This guidance is effective for interim and annual periods beginning after December 15, 2019, and is to be applied with a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective (modified-retrospective approach). Early adoption is permitted, but only to fiscal years beginning after December 15, 2018. The Company will adopt this guidance during the first quarter of 2020. The Company is currently evaluating the impact this guidance will have on the Company's consolidated financial condition and net income.

In August 2018, the FASB issued updated guidance guidance in Compensation-Retirement Benefits Topic 715 of the ASC. The objective of this update is to improve the effectiveness of disclosures in the notes to financial statements as part of the FASB's disclosure framework project. As it relates to the Company's footnote disclosures, this update adds to the annual disclosures the weighted-average crediting rate used in Employers Mutual's pension plans, and requires explanations for significant gains and losses in the benefit obligations of Employers Mutual's pension and postretirement benefit plans. This update removes from the Company's annual disclosures the amounts in accumulated other comprehensive income for pension and postretirement benefit plans expected to be recognized as components of net periodic benefit cost in the next fiscal year. The Company will adopt this guidance during the fourth quarter of 2018.

15. SUBSEQUENT EVENTS

On October 29, 2018, the Company, Employers Mutual and their subsidiary and affiliated insurance companies (collectively the "EMC Insurance Companies") announced that they had made a strategic decision to exit personal lines business so that more time and resources can be dedicated to the commercial, reinsurance and life business. Personal lines premiums written currently comprise approximately six percent of the Company's total premiums written. During the fourth quarter of 2018, the Company expects to incur approximately $1.0 million of expense associated with the severance costs and write-off of personal lines software currently in development. During 2019, the Company expects to incur approximately $1.0 million of additional severance costs. In addition, the amortization of personal lines software currently in use will be accelerated over the transition period, which is expected to be approximately 18 months.

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EMC INSURANCE GROUP INC. AND SUBSIDIARIES

ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

(Unaudited)

The term “Company” is used below interchangeably to describe EMC Insurance Group Inc. (Parent Company only) and EMC Insurance Group Inc. and its subsidiaries.  The following discussion and analysis of the Company’s financial condition and results of operations should be read in conjunction with the Consolidated Financial Statements and Notes to Consolidated Financial Statements included under Item 1 of this Form 10-Q, and the Management’s Discussion and Analysis of Financial Condition and Results of Operations section of the Company’s 2017 Form 10-K.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

The Private Securities Litigation Reform Act of 1995 provides issuers the opportunity to make cautionary statements regarding forward-looking statements.  Accordingly, any forward-looking statement contained in this report is based on management’s current beliefs, assumptions and expectations of the Company’s future performance, taking all information currently available into account.  These beliefs, assumptions and expectations can change as the result of many possible events or factors, not all of which are known to management.  If a change occurs, the Company’s business, financial condition, liquidity, results of operations, plans and objectives may vary materially from those expressed in the forward-looking statements.  The risks and uncertainties that may affect the actual results of the Company include, but are not limited to, the following:

• catastrophic events and the occurrence of significant severe weather conditions;

• the adequacy of loss and settlement expense reserves;

• state and federal legislation and regulations;

• changes in the U.S. federal corporate tax law;

• changes in the property and casualty insurance industry, interest rates or the performance of financial markets and the general economy;

• rating agency actions;

• “other-than-temporary” investment impairment losses; and

• other risks and uncertainties inherent to the Company’s business, including those discussed under the heading “Risk Factors” in the Company’s Annual Report on Form 10-K.

Management intends to identify forward-looking statements when using the words “believe”, “expect”, “anticipate”, “estimate”, “project”, “may”, “intend”, “likely” or similar expressions.  Undue reliance should not be placed on these forward-looking statements. The Company disclaims any obligation to update such statements or to announce publicly the results of any revisions that it may make to any forward-looking statements to reflect the occurrence of anticipated or unanticipated events or circumstances after the date of such statements.

COMPANY OVERVIEW

The Company, a majority owned subsidiary of Employers Mutual Casualty Company (Employers Mutual), is an insurance holding company with operations that consist of a property and casualty insurance segment and a reinsurance segment. Management evaluates the performance of its insurance segments based upon underwriting profit (loss), which is calculated as premiums earned, less loss and settlement expenses and acquisition and other expenses. Additional information is presented in note 5 "Segment Information" of Notes to Consolidated Financial Statements under Part I, Item 1 of this Form 10-Q.

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Property and casualty insurance operations are conducted through three subsidiaries and represent the most significant segment of the Company’s business, totaling 77 percent of consolidated premiums earned during the first nine months of 2018.  The property and casualty insurance operations are integrated with the property and casualty insurance operations of Employers Mutual through participation in a reinsurance pooling agreement.  Because the Company conducts its property and casualty insurance operations together with Employers Mutual through the reinsurance pooling agreement, the Company shares the same business philosophy, management, employees and facilities as Employers Mutual and offers the same types of insurance products.

Reinsurance operations are conducted through EMC Reinsurance Company and accounted for 23 percent of consolidated premiums earned during the first nine months of 2018.  The principal business activity of EMC Reinsurance Company is to assume, through a quota share reinsurance agreement, 100 percent of Employers Mutual’s assumed reinsurance business, subject to certain exceptions.

An inter-company reinsurance program, consisting of two semi-annual aggregate catastrophe excess of loss treaties, is in place between the Company's insurance subsidiaries in the property and casualty insurance segment and Employers Mutual. The program is intended to reduce the volatility of the Company's quarterly results caused by excessive catastrophe and storm losses, and provide protection from both the frequency and severity of such losses. An inter-company reinsurance program is also in place between the Company's reinsurance subsidiary and Employers Mutual. This program also consists of two treaties, one being a per occurrence catastrophe excess of loss treaty and the other an annual aggregate catastrophe excess of loss treaty. The terms of all of these treaties are the same as 2017, with the exceptions of an increase in the retention of the first semi-annual aggregate catastrophe excess of loss treaty covering the first half of the year, and the costs in the inter-company reinsurance program between the Company's reinsurance subsidiary and Employers Mutual. For detailed information regarding the inter-company reinsurance programs, see note 2 of Notes to Consolidated Financial Statements under Part I, Item 1 of this Form 10-Q.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

The accounting policies and estimates considered by management to be critically important in the preparation and understanding of the Company’s financial statements and related disclosures are presented in the Management’s Discussion and Analysis of Financial Condition and Results of Operations section of the Company’s 2017 Form 10-K.

NON-GAAP INFORMATION

The Company prepares its financial statements in conformity with accounting principles generally accepted in the United States of America (GAAP). Management uses certain non-GAAP financial measures for evaluating the Company’s performance. These measures are considered non-GAAP financial measures under applicable Securities and Exchange Commission (SEC) rules because they are not displayed as separate line items in the consolidated financial statements or are not required to be disclosed in the notes to financial statements or, in some cases, include or exclude certain items not ordinarily included or excluded in the most comparable GAAP financial measure. The Company’s calculation of non-GAAP financial measures may differ from similar measures used by other companies, so investors should exercise caution when comparing the Company’s non-GAAP financial measures to the measures used by other companies. In this report, a non-GAAP financial measure known as the "underlying loss and settlement expense ratio" is utilized in describing the Company's results of operations with respect to the property and casualty insurance segment. The most directly comparable GAAP financial measure is reconciled to this non-GAAP financial measure under "Results of Operations" below.

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RESULTS OF OPERATIONS

Results of operations by segment and on a consolidated basis for the three and nine months ended September 30, 2018 and 2017 are as follows:

	Three months ended September 30,						Nine months ended September 30,
($ in thousands)	2018			2017			2018			2017
Property and casualty insurance
Premiums earned	$	126,213		$	120,472		$	366,340		$	350,307
Losses and settlement expenses	81,435			74,039			259,191			231,067
Acquisition and other expenses	44,262			39,924			133,670			124,498
Underwriting profit (loss)	$	516		$	6,509		$	(26,521	)	$	(5,258	)
GAAP ratios:
Loss and settlement expense ratio	64.5		%	61.5		%	70.8		%	66.0		%
Acquisition expense ratio	35.1		%	33.1		%	36.5		%	35.5		%
Combined ratio	99.6		%	94.6		%	107.3		%	101.5		%
Reconciliation of loss and settlement expense ratio to underlying loss and settlement expense ratio1:
Loss and settlement expense ratio	64.5		%	61.5		%	70.8		%	66.0		%
Catastrophe and storm losses	(13.5		)%	(8.2		)%	(10.1		)%	(8.5		)%
Favorable development on prior years' reserves	5.7		%	5.2		%	3.4		%	4.4		%
Underlying loss and settlement expense ratio	56.7		%	58.5		%	64.1		%	61.9		%
Favorable development on prior years' reserves	$	(7,203	)	$	(6,242	)	$	(12,489	)	$	(15,555	)
Catastrophe and storm losses	$	17,033		$	9,922		$	37,000		$	29,922

¹ Underlying loss and settlement expense ratio: The loss and settlement expense ratio is the ratio (expressed as a percentage) of losses and settlement expenses incurred to premiums earned, which management uses as a measure of underwriting profitability of the Company’s property and casualty insurance business. The underlying loss and settlement expense ratio is a non-GAAP financial measure which represents the loss and settlement expense ratio, excluding the impact of catastrophe and storm losses and development on prior years’ reserves. Management uses this ratio as an indicator of the property and casualty insurance segment’s underwriting discipline and performance for the current accident year. Management believes this ratio is useful for investors to understand the property and casualty insurance segment’s periodic earnings and variability of earnings caused by the unpredictable nature (i.e., the timing and amount) of catastrophe and storm losses and development on prior years’ reserves. While this measure is consistent with measures utilized by investors and analysts to evaluate performance, it is not intended as a substitute for the GAAP financial measure of loss and settlement expense ratio.

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	Three months ended September 30,
	2018							2017
($ in thousands)	Premiums earned		Losses and settlement expenses			Loss and settlement expense ratio		Premiums earned		Losses and settlement expenses		Loss and settlement expense ratio
Property and casualty insurance
Commercial lines:
Automobile	$	32,851	$	22,776		69.3	%	$	30,229	$	24,293	80.4	%
Property	25,271		15,223			60.2	%	27,980		15,803		56.5	%
Workers' compensation	24,249		16,931			69.8	%	25,373		11,386		44.9	%
Other liability	31,399		19,825			63.1	%	24,996		15,802		63.2	%
Other	2,368		(1,014		)	(42.8	)%	2,203		447		20.3	%
Total commercial lines	116,138		73,741			63.5	%	110,781		67,731		61.1	%
Personal lines	10,075		7,694			76.4	%	9,691		6,308		65.1	%
Total property and casualty insurance	$	126,213	$	81,435		64.5	%	$	120,472	$	74,039	61.5	%

	Nine months ended September 30,
	2018							2017
($ in thousands)	Premiums earned		Losses and settlement expenses			Loss and settlement expense ratio		Premiums earned		Losses and settlement expenses		Loss and settlement expense ratio
Property and casualty insurance
Commercial lines:
Automobile	$	95,155	$	75,949		79.8	%	$	87,275	$	74,926	85.8	%
Property	79,059		57,475			72.7	%	79,551		51,291		64.5	%
Workers' compensation	74,380		51,975			69.9	%	75,419		41,451		55.0	%
Other liability	81,952		49,497			60.4	%	73,378		40,833		55.6	%
Other	6,782		(395		)	(5.8	)%	6,509		777		11.9	%
Total commercial lines	337,328		234,501			69.5	%	322,132		209,278		65.0	%
Personal lines	29,012		24,690			85.1	%	28,175		21,789		77.3	%
Total property and casualty insurance	$	366,340	$	259,191		70.8	%	$	350,307	$	231,067	66.0	%

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	Three months ended September 30,						Nine months ended September 30,
($ in thousands)	2018			2017			2018			2017
Reinsurance
Premiums earned	$	37,495		$	34,718		$	111,100		$	99,207
Losses and settlement expenses	29,842			45,537			81,805			92,022
Acquisition and other expenses	8,099			7,351			25,224			23,026
Underwriting profit (loss)	$	(446	)	$	(18,170	)	$	4,071		$	(15,841	)
GAAP ratios:
Loss and settlement expense ratio	79.6		%	131.2		%	73.6		%	92.8		%
Acquisition expense ratio	21.6		%	21.1		%	22.7		%	23.2		%
Combined ratio	101.2		%	152.3		%	96.3		%	116.0		%
(Favorable) unfavorable development on prior years' reserves	$	1,294		$	1,822		$	493		$	(2,062	)
Catastrophe and storm losses	$	3,975		$	19,499		$	5,374		$	27,996

	Three months ended September 30,
	2018						2017
($ in thousands)	Premiums earned		Losses and settlement expenses		Loss and settlement expense ratio		Premiums earned		Losses and settlement expenses		Loss and settlement expense ratio
Reinsurance
Pro rata reinsurance	$	10,484	$	8,394	80.1	%	$	10,730	$	10,159	94.7	%
Excess of loss reinsurance	27,011		21,448		79.4	%	23,988		35,378		147.5	%
Total reinsurance	$	37,495	$	29,842	79.6	%	$	34,718	$	45,537	131.2	%

	Nine months ended September 30,
	2018						2017
($ in thousands)	Premiums earned		Losses and settlement expenses		Loss and settlement expense ratio		Premiums earned		Losses and settlement expenses		Loss and settlement expense ratio
Reinsurance
Pro rata reinsurance	$	33,627	$	18,175	54.0	%	$	33,181	$	23,979	72.3	%
Excess of loss reinsurance	77,473		63,630		82.1	%	66,026		68,043		103.1	%
Total reinsurance	$	111,100	$	81,805	73.6	%	$	99,207	$	92,022	92.8	%

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	Three months ended September 30,						Nine months ended September 30,
($ in thousands, except per share amounts)	2018			2017			2018			2017
Consolidated
REVENUES
Premiums earned	$	163,708		$	155,190		$	477,440		$	449,514
Net investment income	11,951			11,501			35,100			33,679
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	11,135			(594		)	(118		)	2,166
Other income	2,331			1,099			6,719			3,000
	189,125			167,196			519,141			488,359
LOSSES AND EXPENSES
Losses and settlement expenses	111,277			119,576			340,996			323,089
Acquisition and other expenses	52,361			47,275			158,894			147,524
Interest expense	170			84			483			253
Other expense	873			701			2,574			2,264
	164,681			167,636			502,947			473,130
Income (loss) before income tax expense (benefit)	24,444			(440		)	16,194			15,229
Income tax expense (benefit)	5,296			(1,186		)	2,117			2,175
Net income	$	19,148		$	746		$	14,077		$	13,054
Net income per share	$	0.89		$	0.03		$	0.65		$	0.61
GAAP ratios:
Loss and settlement expense ratio	68.0		%	77.1		%	71.4		%	71.9		%
Acquisition expense ratio	32.0		%	30.4		%	33.3		%	32.8		%
Combined ratio	100.0		%	107.5		%	104.7		%	104.7		%
Favorable development on prior years' reserves	$	(5,909	)	$	(4,420	)	$	(11,996	)	$	(17,617	)
Catastrophe and storm losses	$	21,008		$	29,421		$	42,374		$	57,918

The Company reported net income of $19.1 million ($0.89 per share) and $14.1 million ($0.65 per share) for the three and nine months ended September 30, 2018 compared to $746,000 ($0.03 per share) and $13.1 million ($0.61 per share) during the same periods in 2017.  Included in net income reported for the three and nine months ended September 30, 2018 is a pre-tax increase of $9.5 million and a pre-tax decrease of $799,000, respectively, in unrealized investment gains on the Company's equity investments as required by updated accounting guidance that was adopted by the Company on January 1, 2018. In 2017, these amounts were recognized through other comprehensive income. Excluding the $9.5 million pre-tax increase in unrealized investment gains, the primary drivers of the increase in net income reported for the three months ended September 30, 2018 are a lower level of catastrophe and storm losses and an increase in the amount of favorable development experienced on prior years' reserves. Despite a large decline in the amount of catastrophe and storm losses incurred during the first nine months of 2018, net income for that period did not increase significantly due to a decline in favorable development on prior years' reserves and a high level of non-catastrophe losses experienced in the property and casualty insurance segment during the first half of the year. The income tax expense (benefit) amounts reported in 2018 reflect the new 21 percent federal corporate tax rate, compared to the 35 percent federal corporate tax rate in effect in 2017.

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The Company adopted updated accounting guidance on January 1, 2018 that requires the components of net periodic pension and postretirement benefit costs/income, other than the service cost component, to be presented in the income statement outside a subtotal of income from operations, if one is presented. The Company does not report a subtotal of income from operations in its consolidated statements of income; however, in conjunction with the adoption of this updated guidance, management elected to report all components of net periodic pension and postretirement benefit income, other than the service cost component, as other income in the consolidated statements of income. The service cost component continues to be reported in other underwriting expenses. This change in reporting was applied retrospectively for comparison purposes and did not impact any of the net income amounts reported, as other income and other underwriting expenses increased by the same amounts; however, it did increase the acquisition expense ratios, and therefore the combined ratios, by 1.1 and 1.2 percentage points for the three and nine months ended September 30, 2018, respectively, and 0.8 and 0.9 percentage points for the three and nine months ended September 30, 2017, respectively.

Premium income

Premiums earned increased5.5 percent and 6.2 percent to $163.7 million and $477.4 million for the three and nine months ended September 30, 2018 from $155.2 million and $449.5 million for the same periods in 2017.  Rate levels for both segments continue to be constrained by a high level of competition, especially for quality accounts with good loss experience; however, there were some indications of moderate rate level improvement during the year. Average rate level increases were slightly positive in the property and casualty insurance segment, with variances by line of business. The lines of business experiencing the greatest profitability challenges in the property and casualty insurance segment, namely commercial auto and personal lines, are currently receiving larger (mid-single digit) rate increases. During the January 1, 2018 renewal season, moderate price increases were achieved on most of the reinsurance segment's property per risk and catastrophe programs.

Premiums earned in the property and casualty insurance segment increased4.8 percent and 4.6 percent to $126.2 million and $366.3 million for the three and nine months ended September 30, 2018 from $120.5 million and $350.3 million for the same periods in 2017.  The majority of these increases are attributed to small rate level increases on renewal business, an increase in retained policies in the commercial lines of business and new business in both commercial and personal lines of business. Commercial lines new business premium (representing 13 percent of the pool participants’ direct premiums written) was approximately 9 percent higher in the nine months ended September 30, 2018 than the same period in 2017. Management continues to seek growth in most territories for its commercial lines of business, particularly outside of the core Midwest market, which will help diversify the pool participants' book of business geographically while staying consistent with the industry and the commercial lines mix of business. Renewal business premium increased approximately 5 percent during the first nine months of 2018. After factoring in the continued implementation of some mandatory rate reductions on workers' compensation business, the overall rate change on renewal business was approximately 1.5 percent. Rate levels are expected to be mixed during the remainder of 2018, with the largest rate increases expected in the commercial auto line of business. Rate decreases are expected to slow or stop in the workers' compensation and general liability lines of business, and rates on most other lines of business are expected to be flat or increase slightly. The overall policy retention rate remained strong during the first nine months of 2018 at 85.8 percent (commercial lines at 86.7 percent and personal lines at 84.1 percent). These retention rates approximate those reported at the end of 2017.

Premiums earned in the reinsurance segment increased 8.0 percent and 12.0 percent to $37.5 million and $111.1 million for the three and nine months ended September 30, 2018 from $34.7 million and $99.2 million for the same periods in 2017. These increases are attributed to increases in participation and higher estimated premiums achieved on existing multi-line contracts, property per risk contracts, a specialty casualty contract and a large offshore energy contract within the pro rata line of business, as well as the addition of some new business. These increases were partially offset by a continued decline in premiums reported by Mutual Re (formerly known as Mutual Reinsurance Bureau underwriting association) due to its withdrawal from non-standard automobile business. Reinsurance underwriting capacity remained strong during the January 1,2018 renewal season, with rate level increases largely limited to contracts impacted by 2017 catastrophic events. Renewal pricing has been mixed on mid-year renewals, with increases generally limited to contracts impacted by 2017 catastrophic events.

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Losses and settlement expenses

Losses and settlement expenses decreased6.9 percent to $111.3 million for the three months ended September 30, 2018 from $119.6 million for the same period in 2017, but increased5.5 percent to $341.0 million for the nine months ended September 30, 2018 from $323.1 million for the same period in 2017.  The loss and settlement expense ratios decreased to 68.0 percent and 71.4 percent for the three and nine months ended September 30, 2018 from 77.1 percent and 71.9 percent for the same periods in 2017. The decrease reported for the three months ended September 30, 2018 is primarily attributed to a decline in catastrophe and storm losses and an increase in the amount of favorable experienced on prior years' reserves. Despite a large decline in the amount of catastrophe and storm losses incurred during the first nine months of 2018, the loss and settlement expense ratio for the nine months ended September 30, 2018 did not decline significantly from the ratio reported in 2017 due to a decline in the amount of favorable development experienced on prior years' reserves and a high level of non-catastrophe losses in the property and casualty insurance segment during the first half of the year. The actuarial analysis of the Company’s carried reserves at September 30, 2018 indicates that they are in the upper half of the range of reasonable reserves.

The loss and settlement expense ratios for the property and casualty insurance segment increased to 64.5 percent and 70.8 percent for the three and nine months ended September 30, 2018 from 61.5 percent and 66.0 percent for the same periods in 2017. The underlying loss and settlement expense ratios, which exclude the impact of catastrophe and storm losses and development on prior years' reserves, decreased to 56.7 percent in the three months ended September 30, 2018 from 58.5 percent for the same period in 2017, but increased to 64.1 percent in the nine months ended September 30, 2018 from 61.9 percent for the same period in 2017. The decrease in the underlying loss and settlement expense ratio reported for the third quarter of 2018 is largely driven by reductions in the ultimate settlement expense ratios established for several accident years in several lines of business; however, moderate reductions were also implemented in the ultimate loss ratios for several lines of business. The increase in the underlying loss and settlement expense ratio reported for the nine months ended September 30, 2018 reflects the high level of losses experienced during the second quarter stemming from an increase in the ultimate loss and settlement expense ratio associated with first quarter workers' compensation claims. The loss and settlement expense ratio for the workers' compensation line of business declined in the third quarter from the unusually high ratio reported in the second quarter; however, it is still relatively high compared to historical results. While loss frequency and severity assumptions have declined to more normal levels, there is less premium to cover projected losses due to the mandatory rate level decreases implemented during the past several years. The commercial auto and personal lines of business continue to under-perform expectations, posting loss and settlement expense ratios of 79.8 percent and 85.1 percent, respectively, for the nine months ended September 30, 2018.

Favorable development on prior years' reserves increased for the three months ended September 30, 2018, but declined for the first nine months of 2018, which, as previously reported, is in line with management's expectations. Included in the development amount reported for the first nine months of 2017 is $4.5 million of adverse development stemming from the settlement of claims for past and future legal fees and losses on a multi-year asbestos exposure associated with a former insured. Management's experience with selecting ultimate loss and settlement expense ratios under the accident year ultimate methodology implemented in 2016 has led to more refined ultimate selections closer to the actuarial central estimate, which leaves less margin for unanticipated changes in loss frequency and/or severity. See note 4 "Liability For Losses and Settlement Expenses" of Notes to Consolidated Financial Statements under Part I, Item 1 of this Form 10-Q for information regarding the sources of development on prior years' reserves.

Catastrophe and storm losses totaled $17.0 million in the three months ended September 30, 2018 compared to $9.9 million in the third quarter of 2017. For the first nine months of 2018, catastrophe and storm losses totaled $37.0 million compared to $29.9 million in 2017. In the third quarter of 2018, the property and casualty insurance segment experienced an elevated level of catastrophe and storm losses, primarily from Midwest storms and Hurricane Florence. As a result, the property and casualty segment filled the $15 million retention amount under the July 1 through December 31 inter-company excess of loss reinsurance treaty with Employers Mutual, and ceded $1.4 million of catastrophe and storm losses to Employers Mutual. In addition, the property and casualty insurance segment incurred an additional $2.9 million of gross catastrophe and storm losses resulting from increases in the estimates of losses that occurred during the first six months of 2018. As a result, the $22 million retention amount under the inter-company reinsurance treaty covering the first half of the year was filled, and an additional $864,000 of catastrophe and storm losses were ceded to Employers Mutual. Having filled the retention amounts under both semi-annual aggregate excess of loss treaties, any additional catastrophe and storm losses incurred in the fourth quarter will be ceded to Employers Mutual, unless the limits of protection are exceeded. For the three and nine month periods ending September 30, 2017, the property and casualty insurance segment ceded $3.0 million and $19.0 million of catastrophe and storm losses to Employers Mutual under the 2017 inter-company reinsurance program covering the first half of the year (no recoveries were made under the inter-company reinsurance treaty covering the second half of 2017). Catastrophe and storm losses accounted for 13.5 and 10.1 percentage points of the loss and settlement expense ratio in the three and nine months ended September 30, 2018, respectively, compared to 8.2 and 8.5 percentage points for the same periods in 2017.

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The loss and settlement expense ratios for the reinsurance segment decreased to 79.6 percent and 73.6 percent for the three and nine months ended September 30, 2018 from 131.2 percent and 92.8 percent for the same periods in 2017. These decreases are primarily attributed to a significant reduction in catastrophe and storm losses. Catastrophe and storm losses declined $15.5 million and $22.6 million in the three and nine months ended September 30, 2018 from the same periods in 2017, and accounted for 10.6 and 4.8 percentage points of the loss and settlement expense ratios for the three and nine months ended September 30, 2018, compared to 56.2 and 28.2 percentage points during the same periods in 2017. No recoveries were made under the reinsurance subsidiary's inter-company reinsurance program with Employers Mutual during the first nine months of 2018; however, the reinsurance subsidiary did recover $3.2 million under Industry Loss Warranties purchased in 2017 to provide additional protection in peak exposure territories. The reinsurance subsidiary retained 20 percent of this recovery in accordance with the co-participation provision of the inter-company reinsurance program, with the remaining eighty percent ceded to Employers Mutual. In the third quarter of 2017, the reinsurance subsidiary incurred a record amount of catastrophe and storm losses, primarily stemming from Hurricanes Harvey, Irma and Maria, as well as two Mexico earthquakes. The reinsurance subsidiary retained $15.8 million of these catastrophe and storm losses to fill the $20.0 million retention amount in the annual aggregate catastrophe excess of loss treaty with Employers Mutual, and an additional $2.2 million of catastrophe and storm losses representing its 20 percent co-participation on $11.2 million of losses above the retention amount. A total of $9.0 million was ceded to Employers Mutual under the aggregate treaty. The reinsurance subsidiary reported adverse development on prior years' reserves totaling $1.3 million in the third quarter of 2018 compared to $1.8 million in the third quarter of 2017. For the first nine months of 2018, the reinsurance subsidiary reported adverse development of $493,000, compared to favorable development of $2.1 million in 2017. See note 4 "Liability For Losses and Settlement Expenses" of Notes to Consolidated Financial Statements under Part I, Item 1 of this Form 10-Q for information regarding the sources of development on prior years' reserves.

Acquisition and other expenses

Acquisition and other expenses increased10.8 percent and 7.7 percent to $52.4 million and $158.9 million for the three and nine months ended September 30, 2018 from $47.3 million and $147.5 million for the same periods in 2017.  The acquisition expense ratio increased to 32.0 percent and 33.3 percent for the three and nine months ended September 30, 2018 from 30.4 percent and 32.8 percent for the same periods in 2017. The increases in the acquisition expense ratios are primarily attributed to the property and casualty insurance segment.  

The acquisition expense ratios for the property and casualty insurance segment increased to 35.1 percent and 36.5 percent for the three and nine months ended September 30, 2018 from 33.1 percent and 35.5 percent for the same periods in 2017. The increase for the three months ended September 30, 2018 is primarily due to increases in policyholder dividends on certain safety groups, while the increase for the nine months ended September 30, 2018 reflects an increase in policyholder dividends, as well as higher salary and bonus expenses.

The acquisition expense ratio for the reinsurance segment increased to 21.6 percent for the three months ended September 30, 2018 from 21.1 percent in the same period in 2017, but decreased to 22.7 percent for the nine months ended September 30, 2018 from 23.2 percent for the same period in 2017. The increase for the three months ended September 30, 2018 reflects increases in various expenses, including salary and legal costs. A decline in contingent commission expense helped limit the increase in the ratio for the three months ended September 30, 2018, and produced the decrease in the ratio reported for the nine months ended September 30, 2018.

Investment results

Net investment income increased3.9 percent and 4.2 percent to $12.0 million and 35.1 million for the three and nine months ended September 30, 2018 from $11.5 million and $33.7 million for the same periods in 2017. These increases are due to growth in the fixed maturity portfolio and an increase in interest rates. Pre-tax yields on new purchases were similar to the book yield on the fixed income portfolio, which was approximately 3.52 percent, 3.45 percent and 3.42 percent at September 30, 2018, December 31, 2017 and September 30, 2017, respectively.  The effective duration of the fixed maturity portfolio, excluding interest-only securities was 5.3 at September 30, 2018 and 5.0 at December 31, 2017.

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Net realized investment gains (losses) and, beginning in 2018, the change in unrealized investment gains on equity investments increased to a gain of $11.1 million for the three months ended September 30, 2018 from a loss of $594,000 for the same period in 2017, but decreased to a loss of $118,000 for the nine months ended September 30, 2018 from a gain of $2.2 million for the same period in 2017. Net realized investment gains from equity investments increased $3.7 million for the three months and decreased $155,000 for the nine months ended September 30, 2018. Due to a re-balancing of a portion of the common stock portfolios during the second quarter of 2017, much of last year's gains were concentrated in the second quarter. Due to the recent increase in interest rates, the Company chose to dispose of certain fixed maturity securities in order to increase book yield without sacrificing quality or duration, which generated net losses of $960,000 and $6.7 million for the three and nine months ended September 30, 2018. The amounts reported also include losses of $1.7 million for both the three and nine months ended September 30, 2018 generated from the limited partnership that the Company invests in to help protect the equity portfolio from a sudden and significant decline in value (an equity tail-risk hedging strategy). This investment had realized investment losses of $999,000 and $4.6 million during the same periods in 2017.

Other income

Other income totaled $2.3 million and $6.7 million during the three and nine months ended September 30, 2018, compared to $1.1 million and $3.0 million during the same periods in 2017. The 2018 amounts include $1.9 million and $5.6 million of net periodic pension and postretirement benefit income and $147,000 and $389,000 of foreign currency exchange gains recognized on the reinsurance segment’s foreign currency denominated reinsurance business, respectively.  The 2017 amounts include $1.3 million and $3.8 million of net periodic pension and postretirement benefit income and $357,000 and $1.5 million of foreign currency exchange losses, respectively.

Income tax

The Company reported income tax expense of $5.3 million and $2.1 million for the three and nine months ended September 30, 2018, compared to an income tax benefit of $1.2 million and income tax expense of $2.2 million for the same periods in 2017. The effective tax rates for the three and nine months ended September 30, 2018 were 21.7 percent and 13.1 percent, compared to 269.5 percent and 14.3 percent for the same periods in 2017. The third quarter 2017 effective tax rate is calculated using income tax benefits relative to pretax losses, thus the larger number is actually indicative of a low effective tax rate. The primary contributors to the differences between these effective tax rates and the United States federal corporate tax rate of 21 percent for 2018 and 35 percent for 2017 are tax-exempt interest income earned and the dividends received deduction.

Subsequent event

On October 29, 2018, the Company, Employers Mutual and their subsidiary and affiliated insurance companies (collectively the "EMC Insurance Companies") announced that they had made a strategic decision to exit personal lines business so that more time and resources can be dedicated to the commercial, reinsurance and life business. Personal lines premiums written currently comprise approximately six percent of the Company's total premiums written. During the fourth quarter of 2018, the Company expects to incur approximately $1.0 million of expense associated with the severance costs and write-off of personal lines software currently in development. During 2019, the Company expects to incur approximately $1.0 million of additional severance costs. In addition, the amortization of personal lines software currently in use will be accelerated over the transition period, which is expected to be approximately 18 months.

LIQUIDITY AND CAPITAL RESOURCES

Liquidity

Liquidity is a measure of a company’s ability to generate sufficient cash flows to meet cash obligations.  The Company had positive cash flows from operations of $60.7 million and $50.1 million during the first nine months of 2018 and 2017, respectively. The Company typically generates substantial positive cash flows from operations because cash from premium payments is generally received in advance of cash payments made to settle claims.  These positive cash flows provide the foundation of the Company’s asset/liability management program and are the primary driver of the Company’s liquidity.  The Company invests in high quality, liquid securities to match the anticipated payments of losses and settlement expenses of the underlying insurance policies.  Because the timing of the losses is uncertain, the majority of the portfolio is maintained in short to intermediate maturity securities that can be easily liquidated or that generate adequate cash flow to meet liabilities.

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The Company is a holding company whose principal asset is its investment in its property and casualty insurance subsidiaries and its reinsurance subsidiary (“insurance subsidiaries”).  As a holding company, the Company is dependent upon cash dividends from its insurance subsidiaries to meet all its obligations, including cash dividends to stockholders and the funding of the Company’s stock repurchase program.  State insurance regulations restrict the maximum amount of dividends insurance companies can pay without prior regulatory approval.  The maximum amount of dividends that the insurance subsidiaries can pay to the Company in 2018 without prior regulatory approval is approximately $54.2 million.  The Company received $17.6 million and $3.8 million of dividends from its insurance subsidiaries and paid cash dividends to its stockholders totaling $14.2 million and $13.3 million during the first nine months of 2018 and 2017, respectively.

The Company’s insurance subsidiaries must maintain adequate liquidity to ensure that their cash obligations are met; however, because of the property and casualty insurance subsidiaries’ participation in the pooling agreement and the reinsurance subsidiary’s participation in the quota share agreement, they do not have the daily liquidity concerns normally associated with an insurance company.  This is because under the terms of the pooling and quota share agreements, Employers Mutual receives all premiums and pays all losses and expenses associated with the insurance business produced by the pool participants and the assumed reinsurance business ceded to the Company’s reinsurance subsidiary, and then settles inter-company balances generated by these transactions with the participating companies on a monthly (pool participants) or quarterly (reinsurance subsidiary) basis.

At the insurance subsidiary level, the primary sources of cash are premium income, investment income and proceeds from called or matured investments.  The principal outflows of cash are payments of claims, commissions, premium taxes, operating expenses, income taxes, dividends, interest and principal payments on debt, and investment purchases.  Cash outflows vary because of uncertainties regarding settlement dates for unpaid losses and the potential for large losses, either individually or in the aggregate.  Accordingly, the insurance subsidiaries maintain investment and reinsurance programs intended to provide adequate funds to pay claims without forced sales of investments.  The insurance subsidiaries also have the ability to borrow funds on a short-term basis (180 days) from Employers Mutual under an Inter-Company Loan Agreement. In addition, Employers Mutual maintains access to a line of credit with the Federal Home Loan Bank that could be used to provide the insurance subsidiaries additional liquidity if needed.

The Company maintains a portion of its investment portfolio in relatively short-term and highly liquid investments to ensure the availability of funds to pay claims and expenses.  A variety of maturities are maintained in the Company’s investment portfolio to assure adequate liquidity.  The maturity structure of the fixed maturity portfolio is also established by the relative attractiveness of yields on short, intermediate and long-term securities.  The Company does not invest in non-investment grade debt securities.  Any non-investment grade securities held by the Company are the result of rating downgrades subsequent to their purchase.

The Company invests for the long term and generally purchases fixed maturity securities with the intent to hold them to maturity.  Despite this intent, the Company currently classifies fixed maturity securities as available-for-sale to provide flexibility in the management of its investment portfolio.  At September 30, 2018 and December 31, 2017, the Company had net unrealized holding gains (losses), net of deferred taxes, on its fixed maturity securities available-for-sale of $(13.4) million and $17.3 million, respectively.  The fluctuation in the fair value of these investments is primarily due to changes in the interest rate environment during this time period, but also reflects fluctuations in risk premium spreads over U.S. Treasuries.  Since the Company intends to hold fixed maturity securities to maturity, such fluctuations in the fair value of these investments are not expected to have a material impact on the operations of the Company, as forced liquidations of investments are not anticipated. The Company closely monitors the bond market and makes appropriate adjustments in its portfolio as conditions warrant.

The majority of the Company’s assets are invested in fixed maturity securities.  These investments provide a substantial amount of investment income that supplements underwriting results and contributes to net earnings.  As these investments mature, or are called, the proceeds are reinvested at current interest rates, which may be higher or lower than those now being earned; therefore, more or less investment income may be available to contribute to net earnings.  Due to the prolonged low interest rate environment, proceeds from calls and maturities in recent years have been reinvested at lower yields, which has had a negative impact on investment income.

The Company held $17.8 million and $13.6 million in other long-term investments at September 30, 2018 and December 31, 2017, respectively, which are largely accounted for using the equity method of accounting.  These balances generally include investments in private equity arrangements, and starting in 2018, privately placed equity investments related to the field of insurance technology. However, there are two investments that are exceptions to this. The first is a limited partnership that is designed to help protect the Company from a sudden and significant decline in the value of its equity portfolio. During the first nine months of 2018 and 2017, the Company invested additional funds of $4.5 million and $5.8 million, respectively, into this program (2018 contribution includes $1.9 million from the reinvestment of realized gains from the program). The second exception is the reinsurance subsidiary's investment in limited liability companies that convey renewable energy tax credits. After reductions for the utilization of the tax credits and impairment losses, the carrying values of these investments totaled $2.3 million at September 30, 2018 and $1.5 million at December 31, 2017.

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The Company participates in reverse repurchase arrangements, involving the purchase of investment securities from third-party sellers with the agreement that the purchased securities be sold back to the third-party sellers for agreed-upon prices at specified future dates. The third-party sellers are required to pledge collateral with a value greater than the amount of cash received in the transactions. In accordance with GAAP, the investment securities purchased under the reverse repurchase agreements are not reflected in the Company's consolidated balance sheets, but instead a receivable is recorded for the principal amount lent. The Company's receivable under reverse repurchase agreements was $16.5 million at September 30, 2018 and December 31, 2017.

The Company’s cash balance was $302,000 and $347,000 at September 30, 2018 and December 31, 2017, respectively.

During the first nine months of 2018, Employers Mutual contributed $8.0 million to its qualified pension plan but made no contributions to its postretirement benefit plans.  Employers Mutual will not be making any additional contributions to the qualified pension plan in 2018. No contributions will be made to the postretirement benefit plans in 2018.

During the first nine months of 2017, Employers Mutual made no contributions to its qualified pension plan or postretirement benefit plans.  The Company reimbursed Employers Mutual $2.1 million for its share of the total 2017 pension contribution (no contributions were made to the postretirement benefit plans during 2017).

Capital Resources

Capital resources consist of stockholders’ equity and debt, representing funds deployed or available to be deployed to support business operations.  For the Company’s insurance subsidiaries, capital resources are required to support premium writings.  Regulatory guidelines suggest that the ratio of a property and casualty insurer’s annual net premiums written to its statutory surplus should not exceed three to one.  On an annualized basis, all of the Company’s property and casualty insurance subsidiaries were well under this guideline at September 30, 2018.

The Company’s insurance subsidiaries are required to maintain a certain minimum level of surplus on a statutory basis, and are subject to regulations under which the payment of dividends from statutory surplus is restricted and may require prior approval of their domiciliary insurance regulatory authorities.  The Company’s insurance subsidiaries are also subject to annual Risk Based Capital (RBC) requirements that may further impact their ability to pay dividends.  RBC requirements attempt to measure minimum statutory capital needs based upon the risks in a company’s mix of products and investment portfolio.  At December 31, 2017, the Company’s insurance subsidiaries had total adjusted statutory capital of $560.1 million, which is well in excess of the minimum risk-based capital requirement of $94.4 million.

The Company’s total cash and invested assets at September 30, 2018 and December 31, 2017 are summarized as follows:

	September 30, 2018
($ in thousands)	Amortized cost		Fair value		Carrying value		Percent of total carrying value
Fixed maturity securities available-for-sale	$	1,264,975	$	1,248,072	$	1,248,072	81.0	%
Equity securities at fair value	155,734		238,768		238,768		15.5	%
Cash	302		302		302		—	%
Short-term investments	33,717		33,717		33,717		2.2	%
Equity investments, at alternative measurement of cost less impairments	1,200		XXXX		1,200		0.1	%
Other long-term investments	17,818		XXXX		17,818		1.2	%
	$	1,473,746	XXXX		$	1,539,877	100.0	%

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	December 31, 2017
($ in thousands)	Amortized cost		Fair value		Carrying value		Percent of total carrying value
Fixed maturity securities available-for-sale	$	1,253,166	$	1,275,016	$	1,275,016	82.8	%
Equity securities available-for-sale	144,274		228,115		228,115		14.8	%
Cash	347		347		347		—	%
Short-term investments	23,613		23,613		23,613		1.5	%
Other long-term investments	13,648		XXXX		13,648		0.9	%
	$	1,435,048	XXXX		$	1,540,739	100.0	%

The Company’s property and casualty insurance subsidiaries have $25.0 million of surplus notes issued to Employers Mutual.  The interest rate on the surplus notes was increased to 2.73 percent from 1.35 percent effective February 1, 2018.  Reviews of the interest rate are conducted by the Inter-Company Committees of the boards of directors of the Company and Employers Mutual every five years, with the next review due in 2023.  Payments of interest and repayments of principal can only be made out of the applicable subsidiary’s statutory surplus and are subject to prior approval by the insurance commissioner of the respective states of domicile.  The surplus notes are subordinate and junior in right of payment to all obligations or liabilities of the applicable insurance subsidiaries.  Total interest expense incurred on these surplus notes was $483,000 during the first nine months of 2018 and $253,000 during the first nine months of 2017.  During the first quarter of 2018, the Company’s property and casualty insurance subsidiaries paid Employers Mutual for the interest that had been accrued on the surplus notes during 2017.

As of September 30, 2018, the Company had no material commitments for capital expenditures.

Off-Balance Sheet Arrangements

Employers Mutual collects from agents, policyholders and ceding companies all written premiums associated with the insurance business produced by the pool participants and the assumed reinsurance business ceded to the reinsurance subsidiary. Employers Mutual also collects from its reinsurers all losses and settlement expenses recoverable under the reinsurance contracts protecting the pool participants and, starting in 2016, the reinsurance subsidiary, as well as the fronting business ceded to the reinsurance subsidiary. Employers Mutual settles with the pool participants (monthly) and the reinsurance subsidiary (quarterly) the premiums written from these insurance policies and the paid losses and settlement expenses recoverable under the external reinsurance contracts, providing full credit for the premiums written and the paid losses and settlement expenses recoverable under the external reinsurance contracts generated during the period (not just the collected portion). Due to this arrangement, and since a significant portion of the premium balances are collected over the course of the underlying coverage periods, Employers Mutual carries a substantial receivable balance for insurance and reinsurance premiums in process of collection and, to a lesser extent, paid losses and settlement expenses recoverable from the external reinsurance companies.  Any of these receivable amounts that are ultimately deemed to be uncollectible are charged-off by Employers Mutual and the expense is charged to the reinsurance subsidiary or allocated to the pool members on the basis of pool participation.  As a result, the Company has off-balance sheet arrangements with an unconsolidated entity that results in credit-risk exposures (Employers Mutual’s insurance and reinsurance premium receivable balances, and paid loss and settlement expense recoverable amounts) that are not reflected in the Company’s financial statements.  The average annual expense for such charge-offs allocated to the Company over the past ten years is $380,000. Based on this historical data, this credit-risk exposure is not considered to be material to the Company’s results of operations or financial position and, accordingly, no loss contingency liability has been recorded.

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Investment Impairments and Considerations

At September 30, 2018, the Company had unrealized losses on fixed maturity securities available-for-sale as presented in the following table. The estimated fair value is based on quoted market prices, where available.  In cases where quoted market prices are not available, fair values are based on a variety of valuation techniques depending on the type of security. None of these securities are considered to be in concentrations by either security type or industry.  The Company uses several factors to determine whether the carrying value of an individual security has been “other-than-temporarily” impaired.  Such factors include, but are not limited to, the security’s value and performance in the context of the overall markets, length of time and extent the security’s fair value has been below carrying value, key corporate events and the amount of collateral available. Based on these factors, the absence of management’s intent to sell these securities prior to recovery or maturity, and the fact that management does not anticipate that it will be forced to sell these securities prior to recovery or maturity, it was determined that the carrying value of these securities were not “other-than-temporarily” impaired at September 30, 2018.  Risks and uncertainties inherent in the methodology utilized in this evaluation process include interest rate risk and the overall performance of the economy, all of which have the potential to adversely affect the value of the Company’s investments. Should a determination be made at some point in the future that these unrealized losses are “other-than-temporary”, the Company’s earnings would be reduced by approximately $24.3 million, net of tax; however, the Company’s financial position would not be affected because unrealized losses on fixed maturity securities available-for-sale are reflected in the Company’s financial statements as a component of stockholders’ equity, net of deferred taxes.

Following is a schedule of the length of time fixed maturity securities available-for-sale have continuously been in an unrealized loss position as of September 30, 2018.

	Less than twelve months				Twelve months or longer				Total
($ in thousands)	Fair values		Unrealized losses		Fair values		Unrealized losses		Fair values		Unrealized losses
Fixed maturity securities:
U.S. treasury	$	7,621	$	263	$	237	$	12	$	7,858	$	275
U.S. government-sponsored agencies	145,814		5,252		144,243		9,850		290,057		15,102
Obligations of states and political subdivisions	21,833		185		11,881		623		33,714		808
Commercial mortgage-backed	43,343		2,014		24,829		1,824		68,172		3,838
Residential mortgage-backed	89,534		2,439		33,240		2,608		122,774		5,047
Other asset-backed	4,969		124		11,985		1,025		16,954		1,149
Corporate	217,534		4,020		11,856		582		229,390		4,602
Total fixed maturity securities	$	530,648	$	14,297	$	238,271	$	16,524	$	768,919	$	30,821

The Company does not purchase non-investment grade fixed maturity securities.  Any non-investment grade fixed maturity securities held are the result of rating downgrades that occurred subsequent to their purchase.  At September 30, 2018, the Company held $4.4 million of non-investment grade fixed maturity securities in a net unrealized loss position of $206,000.

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Following is a schedule of gross realized losses recognized in the first nine months of 2018 on fixed maturity securities available-for-sale.  The schedule is aged according to the length of time the underlying securities were in an unrealized loss position.  

	Realized losses from sales						"Other-than- temporary" impairment losses		Total gross realized losses
($ in thousands)	Book value		Sales price		Gross realized losses
Fixed maturity securities:
Three months or less	$	11,978	$	11,791	$	187	$	—	$	187
Over three months to six months	6,769		6,513		256		—		256
Over six months to nine months	15,021		14,453		568		—		568
Over nine months to twelve months	5,035		4,928		107		—		107
Over twelve months	125,345		119,445		5,900		—		5,900
Total fixed maturity securities	$	164,148	$	157,130	$	7,018	$	—	$	7,018

LEASES, COMMITMENTS AND CONTINGENT LIABILITIES

One of the Company’s property and casualty insurance subsidiaries leases office facilities in Bismarck, North Dakota with lease terms expiring in 2024.  Employers Mutual has entered into various leases for branch and service office facilities with lease terms expiring through 2027.  All of these lease costs are included as expenses under the pooling agreement.  The Company’s contractual obligations as of September 30, 2018 did not change materially from those presented in the Company’s 2017 Form 10-K.

The participants in the pooling agreement are subject to guaranty fund assessments by states in which they write business.  Guaranty fund assessments are used by states to pay policyholder liabilities of insolvent insurers domiciled in those states.  Many states allow assessments to be recovered through premium tax offsets.  The Company has accrued estimated guaranty fund assessments of $603,000 and $706,000 as of September 30, 2018 and December 31, 2017, respectively. Premium tax offsets of $796,000 and $897,000, which are related to prior guarantee fund payments and current assessments, have been accrued as of September 30, 2018 and December 31, 2017, respectively.  The guaranty fund assessments are expected to be paid over the next two years and the premium tax offsets are expected to be realized within ten years of the payments.  The participants in the pooling agreement are also subject to second-injury fund assessments, which are designed to encourage employers to employ workers with pre-existing disabilities.  The Company had accrued estimated second-injury fund assessments of $2.2 million at September 30, 2018 and $2.0 million at December 31, 2017.  The second-injury fund assessment accruals are based on projected loss payments.  The periods over which the assessments will be paid is not known.

The participants in the pooling agreement have purchased annuities from life insurance companies, under which the claimant is payee, to fund future payments that are fixed pursuant to specific claim settlement provisions.  Based on information provided by the life insurance companies on an annual basis, the Company’s share of case loss reserves eliminated by the purchase of those annuities was $110,000 at December 31, 2017.  The Company had a contingent liability for the aggregate guaranteed amount of the annuities of $183,000 at December 31, 2017 should the issuers of those annuities fail to perform. Although management is not able to verify the amount, the Company would likely have a similar contingent liability at September 30, 2018.  The probability of a material loss due to failure of performance by the issuers of these annuities is considered remote.

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ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The main objectives in managing the Company’s investment portfolios are to maximize after-tax investment return while minimizing risk, in order to provide maximum support for the underwriting operations.  Investment strategies are developed based upon many factors including the economic environment, business cycle, regulatory requirements, fluctuations in interest rates, underwriting results and consideration of other market risks.  Investment decisions are centrally managed by investment professionals and are supervised by the investment committees of the respective boards of directors for each of the Company’s subsidiaries.

Market risk represents the potential for loss due to adverse changes in the fair value of financial instruments, and is directly influenced by the volatility and liquidity in the markets in which the related underlying assets are traded.  The market risks of the financial instruments owned by the Company relate to the investment portfolio, which exposes the Company to interest rate (inclusive of credit spreads) and equity price risk and, to a lesser extent, credit quality and prepayment risk. Monitoring systems and analytical tools are in place to assess each of these elements of market risk; however, there can be no assurance that future changes in interest rates, creditworthiness of issuers, prepayment activity, liquidity available in the market and other general market conditions will not have a material adverse impact on the Company’s results of operations, liquidity or financial position.

Two categories of influences on market risk exist as it relates to financial instruments.  First are systematic aspects, which relate to the investing environment and are out of the control of the investment manager.  Second are non-systematic aspects, which relate to the construction of the investment portfolio through investment policies and decisions, and are under the direct control of the investment manager.  The Company is committed to controlling non-systematic risk through sound investment policies and diversification.

Further analysis of the components of the Company’s market risk (including interest rate risk, equity price risk, credit quality risk, and prepayment risk) can be found in the Company’s 2017 Form 10-K.

ITEM 4. CONTROLS AND PROCEDURES

The Company, under the supervision and with the participation of its management, including the Chief Executive Officer and the Chief Financial Officer, evaluated the effectiveness of the design and operation of the Company’s “disclosure controls and procedures” (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934) as of the end of the period covered by this report. Based on that evaluation, the Chief Executive Officer and the Chief Financial Officer concluded that the Company’s disclosure controls and procedures are effective in timely making known to them material information relating to the Company and the Company’s consolidated subsidiaries required to be disclosed in the Company’s reports filed or submitted under the Exchange Act.

There were no changes in the Company’s internal control over financial reporting that occurred during the third quarter ended September 30, 2018 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

53

PART II. OTHER INFORMATION

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

The following table sets forth information regarding purchases of equity securities by the Company and affiliated purchasers for the three months ended September 30, 2018:

Period	(a) Total number of shares (or units) purchased1	(b) Average price paid per share (or unit)		(c) Total number of shares (or units) purchased as part of publicly announced plans or programs2	(d) Maximum number (or approximate dollar value) of shares (or units) that may yet be purchased under the plans or programs ($ in thousands)2,3
7/1/2018 - 7/31/2018	72	$	28.67	—	$	18,456
8/1/2018 - 8/31/2018	40	25.92		—	18,456
9/1/2018 - 9/30/2018	1,367	25.45		—	18,456
Total	1,479	$	25.62	—

¹ Consists of shares purchased in the open market to fulfill the Company's obligations under its dividend reinvestment and common stock purchase plan.

² On November 3, 2011, the Company’s Board of Directors authorized a $15.0 million stock repurchase program.  This program does not have an expiration date.  A total of $14.0 million remains available in this plan for the purchase of additional shares.

³ On May 12, 2005, the Company announced that its parent company, Employers Mutual, had initiated a $15.0 million stock purchase program under which Employers Mutual may purchase shares of the Company’s common stock in the open market.  This purchase program does not have an expiration date; however, this program has been dormant while the Company’s repurchase programs have been in effect.  A total of $4.5 million remains in this program.

54

ITEM 6. EXHIBITS

Exhibit number	Item
31.1*	Certification of President, Chief Executive Officer and Treasurer as required by Section 302 of the Sarbanes-Oxley Act of 2002
31.2*	Certification of Senior Vice President and Chief Financial Officer as required by Section 302 of the Sarbanes-Oxley Act of 2002
32.1*	Certification of President, Chief Executive Officer and Treasurer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2*	Certification of Senior Vice President and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS**	XBRL Instance Document
101.SCH**	XBRL Taxonomy Extension Schema Document
101.CAL**	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF**	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB**	XBRL Taxonomy Extension Label Linkbase Document
101.PRE**	XBRL Taxonomy Extension Presentation Linkbase Document

*	Filed herewith
**	Furnished, not filed

55

EMC INSURANCE GROUP INC. AND SUBSIDIARIES

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on November 7, 2018.

EMC INSURANCE GROUP INC.

Registrant

/s/ Bruce G. Kelley

Bruce G. Kelley

President, Chief Executive Officer, Treasurer and Director

(Principal Executive Officer)

/s/ Mark E. Reese

Mark E. Reese

Senior Vice President and Chief Financial Officer

(Principal Financial and Accounting Officer)

56

EX-31.1

EXHIBIT 31.1

CERTIFICATIONS

I, Bruce G. Kelley, certify that:

1. I have reviewed this report on Form 10-Q of EMC Insurance Group Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: November 7, 2018

/s/  Bruce G. Kelley

Bruce G. Kelley, President,

Chief Executive Officer and Treasurer

EX-31.2

EXHIBIT 31.2

CERTIFICATIONS

I, Mark E. Reese, certify that:

1. I have reviewed this report on Form 10-Q of EMC Insurance Group Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: November 7, 2018

/s/  Mark E. Reese

Mark E. Reese, Senior Vice President

and Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF PRESIDENT AND CHIEF EXECUTIVE OFFICER PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the accompanying Quarterly Report of EMC Insurance Group Inc. on Form 10-Q for the period ended September 30, 2018, the undersigned hereby certifies, in accordance with 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, in his capacity as an officer of EMC Insurance Group Inc. that:

(1) The report fully complies with the requirements of Section 13(a) or 15(d) of Securities Exchange Act of 1934, and

(2) The information contained in this report fairly presents, in all material respects, the company’s financial condition and results of operations.

EMC INSURANCE GROUP INC.

Registrant

/s/  Bruce G. Kelley

Bruce G. Kelley, President,

Chief Executive Officer and Treasurer

Date: November 7, 2018

EX-32.2

EXHIBIT 32.2

CERTIFICATION OF SENIOR VICE PRESIDENT AND CHIEF FINANCIAL OFFICER PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the accompanying Quarterly Report of EMC Insurance Group Inc. on Form 10-Q for the period ended September 30, 2018, the undersigned hereby certifies, in accordance with 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, in his capacity as an officer of EMC Insurance Group Inc. that:

(1) The report fully complies with the requirements of Section 13(a) or15(d) of Securities Exchange Act of 1934, and

(2) The information contained in this report fairly presents, in all material respects, the company’s financial condition and results of operations.

EMC INSURANCE GROUP INC.

Registrant

/s/  Mark E. Reese

Mark E. Reese

Senior Vice President and

Chief Financial Officer

Date: November 7, 2018

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2018	Oct. 31, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	EMC INSURANCE GROUP INC.
Entity Central Index Key	0000356130
Current Fiscal Year End Date	--12-31
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		21,611,374
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2018

XML

CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Investments:
Fixed maturity securities available-for-sale, at fair value (amortized cost $1,264,975 and $1,253,166)	$ 1,248,072	$ 1,275,016
Equity investments, at fair value (cost $155,734 and $144,274)	238,768
Equity investments, at fair value (cost $155,734 and $144,274)		228,115
Equity investments, at alternative measurement of cost less impairments	1,200	0
Other long-term investments	17,818	13,648
Short-term investments	33,717	23,613
Total investments	1,539,575	1,540,392
Cash	302	347
Reinsurance receivables due from affiliate	33,448	31,650
Prepaid reinsurance premiums due from affiliate	12,470	12,789
Deferred policy acquisition costs (affiliated $47,323 and $40,848)	47,653	41,114
Amounts due from affiliate to settle inter-company transaction balances	8,067	0
Prepaid pension and postretirement benefits due from affiliate	22,769	20,683
Accrued investment income	11,714	11,286
Amounts receivable under reverse repurchase agreements	16,500	16,500
Accounts receivable	1,103	1,604
Income taxes recoverable	1,531	0
Goodwill	942	942
Other assets (affiliated $4,706 and $4,423)	5,028	4,633
Total assets	1,701,102	1,681,940
LIABILITIES
Losses and settlement expenses (affiliated $756,751 and $726,413)	761,581	732,612
Unearned premiums (affiliated $291,464 and $256,434)	292,983	257,797
Other policyholders' funds (all affiliated)	9,145	10,013
Surplus notes payable to affiliate	25,000	25,000
Amounts due affiliate to settle inter-company transaction balances	0	367
Pension benefits payable to affiliate	4,111	4,185
Income taxes payable	0	544
Deferred income taxes	7,090	15,020
Other liabilities (affiliated $26,440 and $27,520)	26,584	32,556
Total liabilities	1,126,494	1,078,094
STOCKHOLDERS' EQUITY
Common stock, $1 par value, authorized 30,000,000 shares; issued and outstanding, 21,575,286 shares in 2018 and 21,455,545 shares in 2017	21,575	21,455
Additional paid-in capital	127,520	124,556
Accumulated other comprehensive income (loss)	(15,082)	83,384
Retained earnings	440,595	374,451
Total stockholders' equity	574,608	603,846
Total liabilities and stockholders' equity	$ 1,701,102	$ 1,681,940

XML

CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Investments:
Fixed maturity securities available-for-sale, amortized cost	$ 1,264,975	$ 1,253,166
Equity investments, cost	155,734
Equity investments, cost		144,274
Deferred policy acquisition costs from affiliates	47,323	40,848
Affiliated other assets	4,706	4,423
LIABILITIES
Affiliated losses and settlement expenses	756,751	726,413
Unearned premiums from affiliates	291,464	256,434
Affiliated other liabilities	$ 26,440	$ 27,520
STOCKHOLDERS' EQUITY
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	30,000,000	30,000,000
Common stock, shares issued (in shares)	21,575,286	21,455,545
Common stock, shares outstanding (in shares)	21,575,286	21,455,545

XML

CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
REVENUES
Premiums earned (affiliated $162,422, $154,451, $473,382 and $446,522)	$ 163,708	$ 155,190	$ 477,440	$ 449,514
Net investment income	11,951	11,501	35,100	33,679
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	11,135	(594)	(118)	2,166
Other income (affiliated $2,239, $1,248, $6,402 and $3,484)	2,331	1,099	6,719	3,000
Total revenues	189,125	167,196	519,141	488,359
LOSSES AND EXPENSES
Losses and settlement expenses (affiliated $109,040, $116,908, $338,729 and $318,902)	111,277	119,576	340,996	323,089
Dividends to policyholders (all affiliated)	2,654	46	7,160	5,184
Amortization of deferred policy acquisition costs (affiliated $28,395, $26,177, $84,434 and $79,957)	28,783	26,430	85,504	80,774
Other underwriting expenses (affiliated $20,925, $20,798, $66,303 and $61,637)	20,924	20,799	66,230	61,566
Interest expense (all affiliated)	170	84	483	253
Other expenses (affiliated $477, $442, $1,461 and $1,423)	873	701	2,574	2,264
Total losses and expenses	164,681	167,636	502,947	473,130
Income (loss) before income tax expense (benefit)	24,444	(440)	16,194	15,229
INCOME TAX EXPENSE (BENEFIT)
Current	3,584	(2,197)	1,479	1,918
Deferred	1,712	1,011	638	257
Total income tax expense (benefit)	5,296	(1,186)	2,117	2,175
Net income	$ 19,148	$ 746	$ 14,077	$ 13,054
Net income per common share - basic and diluted	$ 0.89	$ 0.03	$ 0.65	$ 0.61
Dividend per common share	$ 0.22	$ 0.21	$ 0.66	$ 0.63
Average number of common shares outstanding - basic and diluted (in shares)	21,556,557	21,356,588	21,529,394	21,295,882

XML

CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
REVENUES
Premiums earned, affiliated	$ 162,422	$ 154,451	$ 473,382	$ 446,522
Other income, affiliated	2,239	1,248	6,402	3,484
LOSSES AND EXPENSES
Losses and settlement expenses, affiliated	109,040	116,908	338,729	318,902
Amortization of deferred policy acquisition costs, affiliated	28,395	26,177	84,434	79,957
Other underwriting expenses, affiliated	20,925	20,798	66,303	61,637
Other expense, affiliated	$ 477	$ 442	$ 1,461	$ 1,423

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net income	$ 19,148	$ 746	$ 14,077	$ 13,054
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized holding gains (losses) on investment securities not reflected in net income, net of deferred income tax expense (benefit) of $(2,488), $2,951, $(9,544) and $12,632	(9,357)	5,481	(35,903)	23,460
Reclassification adjustment for net realized investment (gains) losses included in net income (loss), net of income tax (expense) benefit of $202, $(141), $1,406 and $(2,368)	758	(264)	5,288	(4,399)
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income, net of deferred income tax expense of $(143), $(146), $(430) and $(439):
Net actuarial loss	84	240	250	719
Prior service credit	(623)	(511)	(1,867)	(1,535)
Total reclassification adjustment associated with affiliate's pension and postretirement benefit plans	(539)	(271)	(1,617)	(816)
Other comprehensive income (loss)	(9,138)	4,946	(32,232)	18,245
Total comprehensive income (loss)	$ 10,010	$ 5,692	$ (18,155)	$ 31,299

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized holding gains (losses) on investment securities, deferred income tax expense (benefit)	$ (2,488)	$ 2,951	$ (9,544)	$ 12,632
Reclassification adjustment for net realized investment (gains) losses included in net income (loss), income tax (expense) benefit	202	(141)	1,406	(2,368)
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit cost (income), deferred income tax (expense) benefit	$ (143)	$ (146)	$ (430)	$ (439)

XML

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2016	$ 553,342	$ 21,223	$ 119,054	$ 46,081	$ 366,984
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock through stock plans	5,553	225	5,328
Repurchase of common stock	(1,858)	(68)	(1,790)
Increase resulting from stock-based compensation expense	48		48
Other comprehensive income (loss)	18,245			18,245
Net income	13,054				13,054
Dividends paid to public stockholders	(5,906)				(5,906)
Dividends paid to affiliate	(7,416)				(7,416)
Balance at Sep. 30, 2017	575,062	21,380	122,640	64,326	366,716
Balance at Dec. 31, 2017	603,846	21,455	124,556	83,384	374,451
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock through stock plans	4,478	176	4,302
Repurchase of common stock	(1,455)	(56)	(1,399)
Increase resulting from stock-based compensation expense	61		61
Other comprehensive income (loss)	(32,232)			(32,232)
Net income	14,077				14,077
Dividends paid to public stockholders	(6,398)				(6,398)
Dividends paid to affiliate	(7,769)				(7,769)
Balance at Sep. 30, 2018	574,608	$ 21,575	$ 127,520	(15,082)	440,595
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	$ 0			$ (66,234)	$ 66,234

XML

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical) - $ / shares	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Statement of Stockholders' Equity [Abstract]
Dividends paid to public stockholders (per share)	$ 0.66	$ 0.63
Dividends paid to affiliate (per share)	$ 0.66	$ 0.63

XML

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 14,077	$ 13,054
Adjustments to reconcile net income to net cash provided by operating activities:
Losses and settlement expenses (affiliated $30,338 and $35,368)	28,969	35,929
Unearned premiums (affiliated $35,030 and $37,373)	35,186	37,558
Other policyholders' funds due to affiliate	(868)	(3,221)
Amounts due to/from affiliate to settle inter-company transaction balances	(8,434)	(15,432)
Net pension and postretirement benefits due from affiliate	(4,207)	(638)
Reinsurance receivables due from affiliate	(1,798)	(4,753)
Prepaid reinsurance premiums due from affiliate	319	(6,450)
Commissions payable (affiliated $(2,190) and $(2,309))	(2,121)	(2,318)
Deferred policy acquisition costs (affiliated $(6,475) and $(3,176))	(6,539)	(3,171)
Accrued investment income	(428)	(913)
Current income tax	(2,075)	(6,209)
Deferred income tax	638	257
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	118	(2,166)
Other, net (affiliated $888 and $(1,545))	7,859	8,596
Total adjustments to reconcile net income to net cash provided by operating activities	46,619	37,069
Net cash provided by operating activities	60,696	50,123
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of fixed maturity securities available-for-sale	(248,571)	(174,579)
Disposals of fixed maturity securities available-for-sale	218,525	121,463
Purchases of equity investments	(57,558)
Purchases of equity investments		(43,868)
Disposals of equity investments	52,052
Disposals of equity investments		49,595
Purchases of other long-term investments	(7,305)	(12,231)
Disposals of other long-term investments	3,364	1,304
Net (purchases) disposals of short-term investments	(10,104)	14,415
Net receipts under reverse repurchase agreements	0	3,500
Net cash used in investing activities	(49,597)	(40,401)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuance of common stock through affiliate’s stock plans	4,478	5,553
Repurchase of common stock	(1,455)	(1,858)
Dividends paid to stockholders (affiliated $(7,769) and $(7,416))	(14,167)	(13,322)
Net cash used in financing activities	(11,144)	(9,627)
NET INCREASE (DECREASE) IN CASH	(45)	95
Cash at the beginning of the year	347	307
Cash at the end of the quarter	$ 302	$ 402

XML

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Adjustments to reconcile net income to net cash provided by operating activities:
Losses and settlement expenses, affiliated	$ 30,338	$ 35,368
Unearned premiums, affiliated	35,030	37,373
Commissions payable, affiliated	(2,190)	(2,309)
Deferred policy acquisition costs, affiliated	(6,475)	(3,176)
Other, net, affiliated	888	(1,545)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid to stockholders, affiliated	$ (7,769)	$ (7,416)

XML

BASIS OF PRESENTATION

9 Months Ended

Sep. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

BASIS OF PRESENTATION

BASIS OF PRESENTATION

EMC Insurance Group Inc., a majority owned subsidiary of Employers Mutual Casualty Company (Employers Mutual), is an insurance holding company with operations in property and casualty insurance and reinsurance.  The Company writes property and casualty insurance in both commercial and personal lines of insurance, with a focus on medium-sized commercial accounts.  The term “Company” is used interchangeably to describe EMC Insurance Group Inc. (Parent Company only) and EMC Insurance Group Inc. and its subsidiaries.

The accompanying unaudited consolidated financial statements have been prepared on the basis of U.S. generally accepted accounting principles (GAAP) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X.  Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements.  The Company has evaluated all subsequent events through the date the financial statements were issued.  In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation of the interim financial statements have been included.  The results of operations for the interim periods reported are not necessarily indicative of results to be expected for the year.  The consolidated balance sheet at December 31, 2017 has been derived from the audited financial statements at that date, but does not include all of the information and notes required by GAAP for complete financial statements.

In reading these financial statements, reference should be made to the Company’s 2017 Form 10-K or the 2017 Annual Report to Stockholders for more detailed footnote information.

Accounting Pronouncements Adopted

In January 2016, the Financial Accounting Standards Board (FASB) updated its guidance related to Financial Instruments-Overall Subtopic 825-10 of the Accounting Standards Codification^TM (Codification or ASC).  The objective of this update is to enhance the reporting model for financial instruments to provide financial statement users with more decision-useful information. The major change in reporting from this update is a requirement that equity investments (excluding those accounted for under the equity method of accounting or those that are consolidated) be measured at fair value, with changes in fair value recognized in net income. Equity investments that do not have a readily determinable fair value may be measured at estimated fair value or cost less impairment. All of the Company's common and preferred stock equity investments were already measured at fair value, as they were classified as available-for-sale with changes in fair value recognized in other comprehensive income (excludes those investments that were consolidated and those that were accounted for under the equity method of accounting). The Company adopted this guidance on January 1, 2018, recording a cumulative-effect adjustment that moved $66.2 million from accumulated other comprehensive income to retained earnings, which is the amount of net unrealized investment gains on available-for-sale equity securities as of December 31, 2017, net of deferred income taxes. Management uses the equity method of accounting for a few holdings in privately placed common and non-redeemable convertible preferred stock investments in start-up technology companies with ties to the insurance industry, as well as for an investment company limited partnership in which the Company has a minor ownership interest (these investments are classified as other long-term investments). In connection with the adoption of this new guidance, beginning January 1, 2018, the equity adjustments for these investments are being reported as realized investment gains and losses from other long-term investments, rather than net investment income.

In March 2017, the FASB issued updated guidance in Compensation-Retirement Benefits Topic 715 of the ASC. The objective of this update is to improve the presentation of net periodic pension and postretirement benefit costs by disaggregating the components of these expenses (disclosing the service cost component separately from the other components) for income statement reporting, if a subtotal of income from operations is presented. The Company does not report a subtotal of income from operations in its financial statements. Also included in this update is a prohibition against including components of the net periodic pension and postretirement benefit costs, other than the service cost component, in any capitalized assets. In conjunction with the adoption of this updated guidance, management elected to report all components of net periodic pension and postretirement benefit income, other than the service cost component, as other income in the consolidated statements of income. The service cost component continues to be reported in other underwriting expenses. This change in reporting was applied retrospectively for comparison purposes and did not impact the net income amounts reported, as other income and other underwriting expenses increased by the same amount ($1.9 million and $1.3 million for the three months and $5.6 million and $3.8 million for the nine months ended September 30,2018 and 2017, respectively). The prohibition against including net periodic pension and postretirement benefit costs, other than the service cost component, in capitalized assets was adopted prospectively on January 1, 2018. The impact of the exclusion of these costs from capitalized assets resulted in a negligible impact on the deferred policy acquisition cost asset calculation at September 30, 2018 compared to that which would have been calculated previously.

In August 2018, the FASB issued updated guidance related to Fair Value Measurement Topic 820 of the ASC. The objective of this update is to improve the effectiveness of disclosures in the notes to financial statements as part of the FASB's disclosure framework project. As it relates to the Company's footnote disclosures, this update removes disclosure of the amount of, and reasons for, transfers between Level 1 and Level 2 of the fair value hierarchy, as well as the policy for timing of transfers between levels, but adds disclosure of the amount of unrealized gains and losses included in other comprehensive income for recurring Level 3 fair value measurements still held at the end of the reporting period. The Company adopted these disclosure modifications during the third quarter of 2018.

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TRANSACTIONS WITH AFFILIATES

9 Months Ended

Sep. 30, 2018

Related Party Transactions [Abstract]

TRANSACTIONS WITH AFFILIATES

TRANSACTIONS WITH AFFILIATES

An inter-company reinsurance program is in place between the Company's insurance subsidiaries in the property and casualty insurance segment and Employers Mutual. This reinsurance program is intended to reduce the volatility of the Company's quarterly results caused by excessive catastrophe and storm losses, and provide protection from both the frequency and severity of such losses. The reinsurance program consists of two semi-annual aggregate catastrophe excess of loss treaties. The first treaty is effective from January 1, 2018 through June 30, 2018, and has a retention of $22.0 million and a limit of $24.0 million. The total cost of this treaty is approximately $6.0 million. The second treaty is effective from July 1, 2018 through December 31, 2018, and has a retention of $15.0 million and a limit of $12.0 million. The total cost of this treaty is approximately $1.4 million. The terms of these treaties were the same in 2017, with the exception of the retention amount contained in the treaty covering the first half of the year, which was $20.0 million. Losses and settlement expenses ceded to Employers Mutual under the inter-company reinsurance program totaled $2.4 million and $3.2 million for the three and nine months ended September 30,2018, respectively, compared to $3.5 million and $20.1 million for the same periods in 2017. All catastrophe and storm losses assumed by the property and casualty insurance subsidiaries (net of applicable reinsurance recoveries from external reinsurance protections purchased by the pool participants) are subject to the terms of these treaties, and there is no co-participation provision.

An inter-company reinsurance program is also in place between the Company's reinsurance subsidiary and Employers Mutual. The reinsurance program consists of two treaties. The first is a per occurrence catastrophe excess of loss treaty with a retention of $10.0 million, a limit of $10.0 million, 20 percent co-participation, and no reinstatement. The total cost of this treaty is approximately $1.6 million. The second is an annual aggregate catastrophe excess of loss treaty with a retention of $20.0 million, a limit of $100.0 million, and 20 percent co-participation. The total cost of this treaty is approximately $3.6 million. Any losses recovered under the per occurrence treaty inure to the benefit of the aggregate treaty, and only catastrophic events with total losses greater than $500,000 are subject to the terms of the aggregate treaty. The terms of the program were the same in 2017 with the exception of the costs, which were $1.7 million for the per occurrence treaty and $3.2 million for the annual aggregate treaty. Losses and settlement expenses ceded to Employers Mutual under the inter-company reinsurance program totaled a negative $1.9 million and a negative $2.4 million for the three and nine months ended September 30,2018, respectively, compared to $9.0 million and $9.0 million for the three and nine months ended September 30,2017 respectively. The negative amounts reported for the three and nine months ended September 30, 2018 reflect Industry Loss Warranty recoveries associated with 2017 catastrophes. The reinsurance segment retains 20 percent of these recoveries under the co-participation provision, with the remainder ceded to Employers Mutual.

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REINSURANCE

9 Months Ended

Sep. 30, 2018

Reinsurance Disclosures [Abstract]

REINSURANCE

REINSURANCE

The effect of reinsurance on premiums written and earned, and losses and settlement expenses incurred, for the three and nine months ended September 30, 2018 and 2017 is presented below.  The classification of the assumed and ceded reinsurance amounts between affiliates and nonaffiliates is based on the participants in the underlying reinsurance agreements, and is intended to provide an understanding of the actual source of the reinsurance activities.  This presentation differs from the classifications used in the consolidated financial statements, where all amounts flowing through the pooling and quota share agreements and inter-company reinsurance programs with Employers Mutual are reported as “affiliated” balances.

	Three months ended September 30, 2018
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	126,737		$	—		$	126,737
Assumed from nonaffiliates	1,138			42,211			43,349
Assumed from affiliates	159,648			—			159,648
Ceded to nonaffiliates	(7,309		)	(1,001		)	(8,310		)
Ceded to affiliates	(127,427		)	(1,312		)	(128,739		)
Net premiums written	$	152,787		$	39,898		$	192,685
Premiums earned
Direct	$	100,850		$	—		$	100,850
Assumed from nonaffiliates	1,017			41,128			42,145
Assumed from affiliates	133,781			—			133,781
Ceded to nonaffiliates	(7,895		)	(2,321		)	(10,216		)
Ceded to affiliates	(101,540		)	(1,312		)	(102,852		)
Net premiums earned	$	126,213		$	37,495		$	163,708
Losses and settlement expenses incurred
Direct	$	51,606		$	—		$	51,606
Assumed from nonaffiliates	1,039			31,378			32,417
Assumed from affiliates	87,992			311			88,303
Ceded to nonaffiliates	(5,205		)	(3,774		)	(8,979		)
Ceded to affiliates	(53,997		)	1,927			(52,070		)
Net losses and settlement expenses incurred	$	81,435		$	29,842		$	111,277

	Three months ended September 30, 2017
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	122,665		$	—		$	122,665
Assumed from nonaffiliates	1,333			38,955			40,288
Assumed from affiliates	153,900			—			153,900
Ceded to nonaffiliates	(10,532		)	(1,220		)	(11,752		)
Ceded to affiliates	(123,355		)	(1,212		)	(124,567		)
Net premiums written	$	144,011		$	36,523		$	180,534
Premiums earned
Direct	$	96,547		$	—		$	96,547
Assumed from nonaffiliates	1,225			38,463			39,688
Assumed from affiliates	128,325			—			128,325
Ceded to nonaffiliates	(8,388		)	(2,533		)	(10,921		)
Ceded to affiliates	(97,237		)	(1,212		)	(98,449		)
Net premiums earned	$	120,472		$	34,718		$	155,190
Losses and settlement expenses incurred
Direct	$	62,745		$	—		$	62,745
Assumed from nonaffiliates	961			57,268			58,229
Assumed from affiliates	81,047			277			81,324
Ceded to nonaffiliates	(4,435		)	(3,039		)	(7,474		)
Ceded to affiliates	(66,279		)	(8,969		)	(75,248		)
Net losses and settlement expenses incurred	$	74,039		$	45,537		$	119,576

	Nine months ended September 30, 2018
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	325,360		$	—		$	325,360
Assumed from nonaffiliates	3,440			122,564			126,004
Assumed from affiliates	430,699			—			430,699
Ceded to nonaffiliates	(23,232		)	(9,015		)	(32,247		)
Ceded to affiliates	(332,010		)	(3,937		)	(335,947		)
Net premiums written	$	404,257		$	109,612		$	513,869
Premiums earned
Direct	$	295,606		$	—		$	295,606
Assumed from nonaffiliates	3,319			122,577			125,896
Assumed from affiliates	394,697			—			394,697
Ceded to nonaffiliates	(25,026		)	(7,540		)	(32,566		)
Ceded to affiliates	(302,256		)	(3,937		)	(306,193		)
Net premiums earned	$	366,340		$	111,100		$	477,440
Losses and settlement expenses incurred
Direct	$	165,962		$	—		$	165,962
Assumed from nonaffiliates	2,801			84,846			87,647
Assumed from affiliates	269,672			908			270,580
Ceded to nonaffiliates	(10,107		)	(6,338		)	(16,445		)
Ceded to affiliates	(169,137		)	2,389			(166,748		)
Net losses and settlement expenses incurred	$	259,191		$	81,805		$	340,996

	Nine months ended September 30, 2017
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	312,809		$	—		$	312,809
Assumed from nonaffiliates	3,542			108,056			111,598
Assumed from affiliates	415,426			—			415,426
Ceded to nonaffiliates	(27,109		)	(9,074		)	(36,183		)
Ceded to affiliates	(319,459		)	(3,637		)	(323,096		)
Net premiums written	$	385,209		$	95,345		$	480,554
Premiums earned
Direct	$	287,821		$	—		$	287,821
Assumed from nonaffiliates	3,370			110,563			113,933
Assumed from affiliates	375,601			—			375,601
Ceded to nonaffiliates	(22,014		)	(7,719		)	(29,733		)
Ceded to affiliates	(294,471		)	(3,637		)	(298,108		)
Net premiums earned	$	350,307		$	99,207		$	449,514
Losses and settlement expenses incurred
Direct	$	198,317		$	—		$	198,317
Assumed from nonaffiliates	2,406			104,685			107,091
Assumed from affiliates	258,169			942			259,111
Ceded to nonaffiliates	(9,400		)	(4,626		)	(14,026		)
Ceded to affiliates	(218,425		)	(8,979		)	(227,404		)
Net losses and settlement expenses incurred	$	231,067		$	92,022		$	323,089

Individual lines in the above tables are defined as follows:

• “Direct” represents business produced by the property and casualty insurance subsidiaries.

• “Assumed from nonaffiliates” for the property and casualty insurance subsidiaries represents their aggregate 30 percent pool participation percentage of involuntary business assumed by the pool participants pursuant to state law. For the reinsurance subsidiary, this line represents the reinsurance business assumed through the quota share agreement (including “fronting” activities initiated by Employers Mutual) and the business assumed outside the quota share agreement.

• “Assumed from affiliates” for the property and casualty insurance subsidiaries represents their aggregate 30 percent pool participation percentage of all the pool members’ direct business.  The amounts reported under the caption “Losses and settlement expenses incurred” also include claim-related services provided by Employers Mutual that are allocated to the property and casualty insurance subsidiaries and the reinsurance subsidiary.

• “Ceded to nonaffiliates” for the property and casualty insurance subsidiaries represents their aggregate 30 percent pool participation percentage of 1) the amounts ceded to nonaffiliated reinsurance companies in accordance with the terms of the reinsurance agreements providing protection to the pool and each of its participants, and 2) the amounts ceded on a mandatory basis to state organizations in connection with various programs.  For the reinsurance subsidiary, this line includes 1) reinsurance business that is ceded to other insurance companies in connection with “fronting” activities initiated by Employers Mutual, and 2) amounts ceded in connection with the purchase of additional reinsurance protection in peak exposure territories from external parties.

• “Ceded to affiliates” for the property and casualty insurance subsidiaries represents the cession of their direct business to Employers Mutual under the terms of the pooling agreement and amounts ceded to Employers Mutual under the terms of the inter-company reinsurance program.  For the reinsurance subsidiary this line represents amounts ceded to Employers Mutual under the terms of the inter-company reinsurance program.

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LIABILITY FOR LOSSES AND SETTLEMENT EXPENSES

9 Months Ended

Sep. 30, 2018

Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]

LIABILITY FOR LOSSES AND SETTLEMENT EXPENSES

LIABILITY FOR LOSSES AND SETTLEMENT EXPENSES

The following table sets forth a reconciliation of beginning and ending reserves for losses and settlement expenses of the Company.  Amounts presented are on a net basis, with a reconciliation of beginning and ending reserves to the gross amounts presented in the consolidated financial statements.

	Nine months ended September 30,
($ in thousands)	2018			2017
Gross reserves at beginning of year	$	732,612		$	690,532
Re-valuation due to foreign currency exchange rates	525			(1,913		)
Less ceded reserves at beginning of year	30,923			20,664
Net reserves at beginning of year	701,164			671,781
Incurred losses and settlement expenses related to:
Current year	352,992			340,706
Prior years	(11,996		)	(17,617		)
Total incurred losses and settlement expenses	340,996			323,089
Paid losses and settlement expenses related to:
Current year	119,399			120,053
Prior years	193,673			173,986
Total paid losses and settlement expenses	313,072			294,039
Net reserves at end of period	729,088			700,831
Plus ceded reserves at end of period	32,661			25,348
Re-valuation due to foreign currency exchange rates	(168		)	282
Gross reserves at end of period	$	761,581		$	726,461

There is an inherent amount of uncertainty involved in the establishment of insurance liabilities.  This uncertainty is greatest in the current and more recent accident years because a smaller percentage of the expected ultimate claims have been reported, adjusted and settled compared to more mature accident years.  As the carried reserves for these accident years run off, the overall expectation is that, more often than not, favorable development will occur.  However, there is also the possibility that the ultimate settlement of liabilities associated with these accident years will show adverse development, and such adverse development could be substantial.

Changes in reserve estimates are reflected in net income in the year such changes are recorded.  Following is an analysis of the reserve development the Company experienced during the nine months ended September 30, 2018 and 2017.  Care should be exercised when attempting to analyze the financial impact of the reported development amounts because, as noted above, the overall expectation is that, more often than not, favorable development will occur as the prior accident years’ reserves run off.

2018 Development

For the property and casualty insurance segment, the September 30, 2018 estimate of loss and settlement expense reserves for accident years 2017 and prior decreased $12.5 million from the estimate at December 31, 2017.  This decrease represents 2.5 percent of the December 31, 2017 gross carried reserves and is primarily attributed to decreases in the ultimate loss and settlement expense ratios for several accident years in the other liability, commercial auto liability, surety bonds and personal auto liability lines of business. Favorable development in the other liability line of business was driven by a reduction in the expected ultimate loss and settlement expense ratios for accident years 2013 and 2015, although the ultimate settlement expense ratios for several prior years were reduced slightly as well. The ultimate loss and settlement expense ratios in the commercial auto liability line of business for accident years 2014 through 2017 were decreased as ultimate claim severities are projected to be better than initially expected. The workers' compensation, commercial property, auto physical damage and homeowners lines of business all experienced adverse development. The adverse development in the workers' compensation line of business is the result of an increase in the accident year 2017 ultimate loss and settlement expense ratio due to an initial underestimate of both ultimate frequency and severity, largely attributed to winter related slip and fall claims.

For the reinsurance segment, the September 30, 2018 estimate of loss and settlement expense reserves for accident years 2017 and prior increased $493,000 from the estimate at December 31, 2017.  This increase represents 0.2 percent of the December 31, 2017 gross carried reserves and is primarily attributed to reserve strengthening mainly in the casualty and multiline excess and pro rata contracts for accident years 2007, 2012, 2014, 2015 and 2017. This adverse development was partially offset by favorable development from Industry Loss Warranty recoveries on 2017 catastrophes.

2017 Development

For the property and casualty insurance segment, the September 30,2017 estimate of loss and settlement expense reserves for accident years 2016 and prior decreased $15.6 million from the estimate at December 31, 2016.  This decrease represented 3.2 percent of the December 31, 2016 gross carried reserves and was primarily attributed to reductions in prior year ultimate loss ratios for every line of business except commercial auto liability. The other liability line of business was the largest contributor to favorable development. The ultimate loss ratios for this line were decreased slightly for most accident years from 2003 through 2016 due to declines in expected ultimate claim frequency and/or severity. Due to increases in projected ultimate claim frequency and severity, the ultimate loss ratios in the commercial auto line of business were increased for accident years 2013 through 2016, producing adverse reserve development for that line of business. Included in the development amount is adverse development experienced in the other liability line of business stemming from the settlement of claims for past and future legal fess and losses on a multi-year asbestos exposure associated with a former insured, and a slight strengthening of remaining reserves.

For the reinsurance segment, the September 30,2017 estimate of loss and settlement expense reserves for accident years 2016 and prior increased $2.1 million from the estimate at December 31, 2016.  This increase represented 1.0 percent of the December 31, 2016 gross carried reserves and was primarily attributed to prior year reserve releases in the per risk excess, property/casualty global excess and property/casualty global pro rata contract types.

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SEGMENT INFORMATION

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

SEGMENT INFORMATION

SEGMENT INFORMATION

The Company’s operations consist of a property and casualty insurance segment and a reinsurance segment.  The property and casualty insurance segment writes both commercial and personal lines of insurance, with a focus on medium-sized commercial accounts.  The reinsurance segment provides reinsurance for other insurers and reinsurers.  The segments are managed separately due to differences in the insurance products sold and the business environments in which they operate. Management evaluates the performance of its insurance segments using financial measurements based on Statutory Accounting Principles (SAP) instead of GAAP. Such measures include premiums written, premiums earned, statutory underwriting profit (loss), and investment results, as well as loss and loss adjustment expense ratios, trade underwriting expense ratios, and combined ratios.

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

Three months ended September 30, 2018	Property and casualty insurance		Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	126,213	$	37,495		$	—		$	163,708
Underwriting profit (loss):
SAP underwriting profit (loss)	138		(844		)	—			(706		)
GAAP adjustments	378		398			—			776
GAAP underwriting profit (loss)	516		(446		)	—			70
Net investment income	8,514		3,423			14			11,951
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	6,760		4,476			(101		)	11,135
Other income (loss)	2,184		147			—			2,331
Interest expense	170		—			—			170
Other expenses	282		—			591			873
Income (loss) before income tax expense (benefit)	$	17,522	$	7,600		$	(678	)	$	24,444

Three months ended September 30, 2017	Property and casualty insurance			Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	120,472		$	34,718		$	—		$	155,190
Underwriting profit (loss):
SAP underwriting profit (loss)	1,927			(18,364		)	—			(16,437		)
GAAP adjustments	4,582			194			—			4,776
GAAP underwriting profit (loss)	6,509			(18,170		)	—			(11,661		)
Net investment income	8,252			3,237			12			11,501
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	(108		)	(486		)	—			(594		)
Other income (loss)	1,457			(358		)	—			1,099
Interest expense	84			—			—			84
Other expenses	170			—			531			701
Income (loss) before income tax expense (benefit)	$	15,856		$	(15,777	)	$	(519	)	$	(440	)

Nine months ended September 30, 2018	Property and casualty insurance			Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	366,340		$	111,100		$	—		$	477,440
Underwriting profit (loss):
SAP underwriting profit (loss)	(29,082		)	4,426			—			(24,656		)
GAAP adjustments	2,561			(355		)	—			2,206
GAAP underwriting profit (loss)	(26,521		)	4,071			—			(22,450		)
Net investment income	25,072			10,001			27			35,100
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	(1,225		)	1,208			(101		)	(118		)
Other income (loss)	6,330			389			—			6,719
Interest expense	483			—			—			483
Other expenses	759			—			1,815			2,574
Income (loss) before income tax expense (benefit)	$	2,414		$	15,669		$	(1,889	)	$	16,194
Assets	$	1,212,964		$	481,047		$	574,885		$	2,268,896
Eliminations	—			—			(564,796		)	(564,796		)
Reclassifications	(2,880		)	—			(118		)	(2,998		)
Total assets	$	1,210,084		$	481,047		$	9,971		$	1,701,102

Nine months ended September 30, 2017	Property and casualty insurance			Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	350,307		$	99,207		$	—		$	449,514
Underwriting profit (loss):
SAP underwriting profit (loss)	(9,559		)	(14,899		)	—			(24,458		)
GAAP adjustments	4,301			(942		)	—			3,359
GAAP underwriting profit (loss)	(5,258		)	(15,841		)	—			(21,099		)
Net investment income	24,225			9,421			33			33,679
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	3,033			(867		)	—			2,166
Other income (loss)	4,457			(1,457		)	—			3,000
Interest expense	253			—			—			253
Other expenses	580			—			1,684			2,264
Income (loss) before income tax expense (benefit)	$	25,624		$	(8,744	)	$	(1,651	)	$	15,229
Year ended December 31, 2017
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

The following table displays the premiums earned for the property and casualty insurance segment and the reinsurance segment for the three and nine months ended September 30, 2018 and 2017, by line of insurance.

	Three months ended September 30,				Nine months ended September 30,
($ in thousands)	2018		2017		2018		2017
Property and casualty insurance
Commercial lines:
Automobile	$	32,851	$	30,229	$	95,155	$	87,275
Property	25,271		27,980		79,059		79,551
Workers' compensation	24,249		25,373		74,380		75,419
Other liability	31,399		24,996		81,952		73,378
Other	2,368		2,203		6,782		6,509
Total commercial lines	116,138		110,781		337,328		322,132
Personal lines	10,075		9,691		29,012		28,175
Total property and casualty insurance	$	126,213	$	120,472	$	366,340	$	350,307
Reinsurance
Pro rata reinsurance	$	10,484	$	10,730	$	33,627	$	33,181
Excess of loss reinsurance	27,011		23,988		77,473		66,026
Total reinsurance	$	37,495	$	34,718	$	111,100	$	99,207
Consolidated	$	163,708	$	155,190	$	477,440	$	449,514

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INCOME TAXES

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

The actual income tax expense (benefit) for the three and nine months ended September 30, 2018 and 2017 differed from the “expected” income tax expense (benefit) for those periods (computed by applying the United States federal corporate tax rates of 21 percent during 2018 and 35 percent during 2017 to income (loss) before income tax) as follows:

	Three months ended   September 30,						Nine months ended   September 30,
($ in thousands)	2018			2017			2018			2017
Computed "expected" income tax expense (benefit)	$	5,134		$	(154	)	$	3,401		$	5,330
Increases (decreases) in tax resulting from:
Incremental benefit of net operating loss carry back	839			—			—			—
Tax-exempt interest income	(290		)	(656		)	(897		)	(2,122		)
Dividends received deduction	(126		)	(294		)	(400		)	(948		)
Proration of tax-exempt interest and dividends received deduction	104			142			324			460
Other, net	(365		)	(224		)	(311		)	(545		)
Total income tax expense (benefit)	$	5,296		$	(1,186	)	$	2,117		$	2,175

Pursuant to Staff Accounting Bulletin No. 118 issued by the Securities Exchange Commission, the Company made reasonable estimates of the effects the Tax Cuts and Jobs Act of 2017 (TCJA) had on deferred income tax assets and liabilities at December 31, 2017. For items where the Company could not make a reasonable estimate, primarily loss reserve discounting, the Company used existing accounting guidance and the provisions of the tax laws that were in place prior to the enactment. Beginning in the first quarter of 2018, the Company is using estimated industry discount factors until further guidance and updated discount factors are released by the Internal Revenue Service (IRS). The Company continues to wait on updated guidance from the IRS to complete its analysis of the effects of the TCJA.

The Company had no provision for uncertain income tax positions at September 30, 2018 or December 31, 2017.  The Company recognized no interest expense or other penalties related to U.S. federal or state income taxes during the three or nine months ended September 30, 2018 or 2017.  It is the Company’s accounting policy to reflect income tax penalties as other expense, and interest as interest expense.

The Company files a U.S. federal income tax return, along with various state income tax returns.  The Company is no longer subject to U.S. federal and state income tax examinations by tax authorities for years before 2015.

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EMPLOYEE RETIREMENT PLANS

9 Months Ended

Sep. 30, 2018

Retirement Benefits [Abstract]

EMPLOYEE RETIREMENT PLANS

EMPLOYEE RETIREMENT PLANS

The components of net periodic benefit cost (income) for Employers Mutual’s pension and postretirement benefit plans is as follows:

	Three months ended   September 30,						Nine months ended   September 30,
($ in thousands)	2018			2017			2018			2017
Pension plans:
Service cost	$	4,213		$	3,783		$	12,639		$	11,351
Interest cost	2,681			2,798			8,044			8,393
Expected return on plan assets	(6,013		)	(5,192		)	(18,039		)	(15,574		)
Amortization of net actuarial loss	135			911			403			2,732
Amortization of prior service cost	—			5			—			15
Net periodic pension benefit cost	$	1,016		$	2,305		$	3,047		$	6,917
Postretirement benefit plans:
Service cost	$	369		$	341		$	1,105		$	1,022
Interest cost	521			570			1,563			1,710
Expected return on plan assets	(1,204		)	(1,077		)	(3,611		)	(3,233		)
Amortization of net actuarial loss	234			342			701			1,028
Amortization of prior service credit	(2,783		)	(2,788		)	(8,347		)	(8,365		)
Net periodic postretirement benefit income	$	(2,863	)	$	(2,612	)	$	(8,589	)	$	(7,838	)

Net periodic pension benefit cost allocated to the Company amounted to $305,000 and $692,000 for the three months and $914,000 and $2.1 million for the nine months ended September 30, 2018 and 2017, respectively.  Net periodic postretirement benefit income allocated to the Company amounted to $806,000 and $736,000 for the three months and $2.4 million and $2.2 million for the nine months ended September 30, 2018 and 2017, respectively. The service cost component of net periodic pension and postretirement benefit cost/(income) allocated to the Company is included in the income statement line titled "other underwriting expenses". The other components of net periodic pension and postretirement benefit cost/(income) are included in the income statement line titled "other income".

The Company does not plan to make additional contributions to the pension plan in 2018. No contributions will be made to the Voluntary Employee Beneficiary Association (VEBA) trust in 2018.

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STOCK-BASED COMPENSATION

9 Months Ended

Sep. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

STOCK-BASED COMPENSATION

STOCK-BASED COMPENSATION

The Company has a stock-based compensation plan for non-employee directors. Employers Mutual also has several stock plans which utilize the common stock of the Company.  Employers Mutual can provide the common stock required under its plans by: 1) using shares of common stock that it currently owns; 2) purchasing common stock in the open market; or 3) directly purchasing common stock from the Company at the current fair value. Employers Mutual's current practice is to purchase common stock from the Company for use in all of its stock plans (including its non-employee director stock purchase plan and its employee stock purchase plan). A portion of the compensation expense recognized by Employers Mutual (as the requisite service period for restricted stock awards/units is rendered) is allocated to the Company’s property and casualty insurance subsidiaries though their participation in the pooling agreement.

An account Employers Mutual established to hold previously granted restricted stock awards until they vest will periodically contain excess shares of the Company's stock stemming from forfeitures and surrenders. During the first nine months of 2018, the Company repurchased 30,523 shares of stock from this unvested restricted stock account at an average cost of $26.30. These repurchased shares are not deemed to be shares repurchased under the Company's stock repurchase program.

During the first nine months of 2018, 120,439 restricted stock units were granted to eligible employees of Employers Mutual and 2,800 shares of restricted stock awards were granted to non-employee directors of the Company. Under the stock plans, 92,214 shares of restricted stock vested, and 79,946 options were exercised at a weighted average exercise price of $14.53. The Company recognized compensation expense from these plans of $224,000 ($177,000 net of tax) and $296,000 ($192,000 net of tax) for the three months and $830,000 ($656,000 net of tax) and $508,000 ($330,000 net of tax) for the nine months ended September 30, 2018 and 2017, respectively.

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DISCLOSURES ABOUT THE FAIR VALUE OF FINANCIAL INSTRUMENTS

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

DISCLOSURES ABOUT THE FAIR VALUE OF FINANCIAL INSTRUMENTS

DISCLOSURES ABOUT THE FAIR VALUES OF FINANCIAL INSTRUMENTS

The carrying amounts and estimated fair values of the Company’s financial instruments as of September 30, 2018 and December 31, 2017 are summarized in the tables below.

September 30, 2018	Carrying amounts		Estimated fair values
($ in thousands)
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	7,858	$	7,858
U.S. government-sponsored agencies	290,057		290,057
Obligations of states and political subdivisions	282,307		282,307
Commercial mortgage-backed	75,314		75,314
Residential mortgage-backed	146,725		146,725
Other asset-backed	21,329		21,329
Corporate	424,482		424,482
Total fixed maturity securities available-for-sale	1,248,072		1,248,072
Equity investments, at fair value
Common stocks:
Financial services	48,647		48,647
Information technology	39,711		39,711
Healthcare	33,389		33,389
Consumer staples	13,302		13,302
Consumer discretionary	24,087		24,087
Energy	17,808		17,808
Industrials	23,943		23,943
Other	15,029		15,029
Non-redeemable preferred stocks	18,706		18,706
Investment funds	4,146		4,146
Total equity investments	238,768		238,768
Short-term investments	33,717		33,717
Liabilities:
Surplus notes	25,000		15,145

December 31, 2017	Carrying amounts		Estimated fair values
($ in thousands)
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	8,078	$	8,078
U.S. government-sponsored agencies	297,949		297,949
Obligations of states and political subdivisions	307,536		307,536
Commercial mortgage-backed	83,980		83,980
Residential mortgage-backed	119,799		119,799
Other asset-backed	24,114		24,114
Corporate	433,560		433,560
Total fixed maturity securities available-for-sale	1,275,016		1,275,016
Equity securities available-for-sale:
Common stocks:
Financial services	43,522		43,522
Information technology	35,810		35,810
Healthcare	30,595		30,595
Consumer staples	14,127		14,127
Consumer discretionary	20,538		20,538
Energy	16,905		16,905
Industrials	28,489		28,489
Other	16,421		16,421
Non-redeemable preferred stocks	21,708		21,708
Total equity securities available-for-sale	228,115		228,115
Short-term investments	23,613		23,613
Liabilities:
Surplus notes	25,000		16,689

The estimated fair values of fixed maturity and equity securities is based on quoted market prices, where available.  In cases where quoted market prices are not available, fair values are based on a variety of valuation techniques depending on the type of security. During 2018, the Company invested in a fewprivately placed equity investments. One of these was in the form of preferred units in a limited liability corporation offering weather-related predictive analytics and risk mitigation tools. In accordance with the new guidance related to financial instruments that was adopted January 1, 2018, this investment does not have a readily determinable fair value. Therefore, the Company has elected to measure this investment at the alternative measurement of cost, adjusted for impairments and observable price changes. No impairment losses have been made to this investment. Due to the alternative measurement classification, this investment is excluded from the disclosures in this footnote. The other privately placed equity investment, also in the field of insurance technology, is accounted for under the equity method of accounting, and as such is also excluded from these fair value disclosures. Since 2016, the Company has held another privately placed equity investment in the form of non-redeembable convertible preferred stock issued by a start-up technology company that Employers Mutual works with in its data analytics activities. During 2018, the Company purchased common stock in this entity. The Company accounts for its investment in this entity under the equity method of accounting, and as such is excluded from these fair value disclosures.

Short-term investments generally include money market funds, U.S. Treasury bills and commercial paper.  Short-term investments are carried at fair value, which approximates cost, due to the highly liquid nature of the securities.   Short-term securities are classified as Level 1 fair value measurements when the fair values can be validated by recent trades.  When recent trades are not available, fair value is deemed to be the cost basis and the securities are classified as Level 2 fair value measurements.

The estimated fair value of the surplus notes is derived by discounting future expected cash flows at a rate deemed appropriate over a 25-year term (the surplus notes have no stated maturity date, and the interest to be paid is assumed to continue at the current interest rate in place of 2.73 percent).

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.  The following fair value hierarchy prioritizes inputs to valuation techniques used to measure fair value.

Level 1 -	Unadjusted quoted prices for identical assets or liabilities in active markets that the Company has the ability to access.
Level 2 -	Quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in inactive markets; or valuations based on models where the significant inputs are observable (e.g., interest rates, yield curves, prepayment speeds, default rates, loss severities, etc.) or can be corroborated by observable market data.
Level 3 -	Prices or valuation techniques that require significant unobservable inputs because observable inputs are not available.  The unobservable inputs may reflect the Company’s own judgments about the assumptions that market participants would use.
NAV -	The fair values of investment company limited partnership investments and similar vehicles (referred to as investment funds) are based on the capital account balances reported by the investment funds subject to their management review and adjustment. These capital account balances reflect the fair value of the investment funds.

The Company uses an independent pricing source to obtain the estimated fair values of a majority of its securities, subject to an internal validation.  The fair values are based on quoted market prices, where available.  This is typically the case for equity securities and money market funds, which are accordingly classified as Level 1 fair value measurements.  In cases where quoted market prices are not available, fair values are based on a variety of valuation techniques depending on the type of security.  Fixed maturity securities, non-redeemable preferred stocks and various short-term investments in the Company’s portfolio may not trade on a daily basis; however, observable inputs are utilized in their valuations, and these securities are therefore classified as Level 2 fair value measurements.  Following is a brief description of the various pricing techniques used by the independent pricing source for different asset classes.

• U.S. Treasury securities (including bonds, notes, and bills) are priced according to a number of live data sources, including active market makers and inter-dealer brokers.  Prices from these sources are reviewed based on the sources’ historical accuracy for individual issues and maturity ranges.

• U.S. government-sponsored agencies and corporate securities (including fixed-rate corporate bonds and medium-term notes) are priced by determining a bullet (non-call) spread scale for each issuer for maturities going out to forty years.  These spreads represent credit risk and are obtained from the new issue market, secondary trading, and dealer quotes.  An option adjusted spread model is incorporated to adjust spreads of issues that have early redemption features.  The final spread is then added to the U.S. Treasury curve.

• Obligations of states and political subdivisions are priced by tracking and analyzing actively quoted issues and reported trades, material event notices and benchmark yields.  Municipal bonds with similar characteristics are grouped together into market sectors, and internal yield curves are constructed daily for these sectors.  Individual bond evaluations are extrapolated from these sectors, with the ability to make individual spread adjustments for attributes such as discounts, premiums, alternative minimum tax, and/or whether or not the bond is callable.

• Mortgage-backed and asset-backed securities are first reviewed for the appropriate pricing speed (if prepayable), spread, yield and volatility.  The securities are priced with models using spreads and other information solicited from market buy- and sell-side sources, including primary and secondary dealers, portfolio managers, and research analysts.  To determine a tranche’s price, first the benchmark yield is determined and adjusted for collateral performance, tranche level attributes and market conditions.  Then the cash flow for each tranche is generated (using consensus prepayment speed assumptions including, as appropriate, a prepayment projection based on historical statistics of the underlying collateral).  The tranche-level yield is used to discount the cash flows and generate the price.  Depending on the characteristics of the tranche, a volatility-driven, multi-dimensional single cash flow stream model or an option-adjusted spread model may be used.  When cash flows or other security structure or market information is not available, broker quotes may be used.

On a quarterly basis, the Company receives from its independent pricing service a list of fixed maturity securities, if any, that were priced solely from broker quotes.  For these securities, fair value may be determined using the broker quotes, or by the Company using similar pricing techniques as the Company’s independent pricing service.  Depending on the level of observable inputs, these securities would be classified as Level 2 or Level 3 fair value measurements.   At September 30, 2018 and December 31, 2017, the Company had no securities priced solely from broker quotes.

A small number of the Company’s securities are not priced by the independent pricing service.  One of these is an equity security that is reported as a Level 3 fair value measurement since no observable inputs are used in its valuation.  This security continues to be reported at the fair value obtained from the Securities Valuation Office (SVO) of the National Association of Insurance Commissioners (NAIC).  The SVO establishes a per share price for this security based on an annual review of that company’s financial statements, typically performed during the second quarter.  The other securities not priced by the Company’s independent pricing service consist of six fixed maturity securities (eight at December 31, 2017). Two of these fixed maturity securities, classified as Level 3 fair value measurements, are corporate securities that convey premium tax benefits and are not publicly traded. The fair values for these securities are based on discounted cash flow analyses. The other fixed maturity securities are classified as Level 2 fair value measurements.  The fair values for these fixed maturity securities were obtained from either the SVO, the Company's investment custodian, or the Company's investment department using similar pricing techniques as the Company’s independent pricing service.

Presented in the tables below are the estimated fair values of the Company’s financial instruments as of September 30, 2018 and December 31, 2017.

September 30, 2018					Fair value measurements using
($ in thousands)	Total		Investments measured at net asset value (NAV)		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Financial instruments reported at fair value on recurring basis:
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	7,858	$	—	$	—	$	7,858	$	—
U.S. government-sponsored agencies	290,057		—		—		290,057		—
Obligations of states and political subdivisions	282,307		—		—		282,307		—
Commercial mortgage-backed	75,314		—		—		75,314		—
Residential mortgage-backed	146,725		—		—		146,725		—
Other asset-backed	21,329		—		—		21,329		—
Corporate	424,482		—		—		424,133		349
Total fixed maturity securities available-for-sale	1,248,072		—		—		1,247,723		349
Equity investments, at fair value:
Common stocks:
Financial services	48,647		—		48,647		—		—
Information technology	39,711		—		39,711		—		—
Healthcare	33,389		—		33,389		—		—
Consumer staples	13,302		—		13,302		—		—
Consumer discretionary	24,087		—		24,087		—		—
Energy	17,808		—		17,808		—		—
Industrials	23,943		—		23,943		—		—
Other	15,029		—		15,029		—		—
Non-redeemable preferred stocks	18,706		—		9,093		9,613		—
Investment funds	4,146		4,146		—		—		—
Total equity investments	238,768		4,146		225,009		9,613		—
Short-term investments	33,717		—		33,717		—		—
Financial instruments not reported at fair value:
Liabilities:
Surplus notes	15,145		—		—		—		15,145

December 31, 2017					Fair value measurements using
($ in thousands)	Total		Investments measured at net asset value (NAV)		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Financial instruments reported at fair value on recurring basis:
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	8,078	$	—	$	—	$	8,078	$	—
U.S. government-sponsored agencies	297,949		—		—		297,949		—
Obligations of states and political subdivisions	307,536		—		—		307,536		—
Commercial mortgage-backed	83,980		—		—		83,980		—
Residential mortgage-backed	119,799		—		—		119,799		—
Other asset-backed	24,114		—		—		24,114		—
Corporate	433,560		—		—		432,940		620
Total fixed maturity securities available-for-sale	1,275,016		—		—		1,274,396		620
Equity securities available-for-sale:
Common stocks:
Financial services	43,522		—		43,519		—		3
Information technology	35,810		—		35,810		—		—
Healthcare	30,595		—		30,595		—		—
Consumer staples	14,127		—		14,127		—		—
Consumer discretionary	20,538		—		20,538		—		—
Energy	16,905		—		16,905		—		—
Industrials	28,489		—		28,489		—		—
Other	16,421		—		16,421		—		—
Non-redeemable preferred stocks	21,708		—		9,512		10,196		2,000
Total equity securities available-for-sale	228,115		—		215,916		10,196		2,003
Short-term investments	23,613		—		23,613		—		—
Financial instruments not reported at fair value:
Liabilities:
Surplus notes	16,689		—		—		—		16,689

Presented in the table below is a reconciliation of the assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three and nine months ended September 30, 2018 and 2017.  Any unrealized gains or losses on fixed maturity securities are recognized in other comprehensive income (loss).  Any gains or losses from settlements, disposals, impairments and, starting in 2018, unrealized gains or losses on equity securities are reported as realized investment gains or losses in net income.

($ in thousands)	Fair value measurements using significant unobservable (Level 3) inputs
Three months ended September 30, 2018	Fixed maturity securities available-for-sale, corporate			Equity securities, financial services			Total
Beginning balance	$	474		$	—		$	474
Settlements	(125		)	—			(125		)
Balance at September 30, 2018	$	349		$	—		$	349
Nine months ended September 30, 2018
Beginning balance	$	620		$	3		$	623
Settlements	(270		)	—			(270		)
Unrealized losses included in net income	—			(3		)	(3		)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date	(1		)	—			(1		)
Balance at September 30, 2018	$	349		$	—		$	349

($ in thousands)	Fair value measurements using significant unobservable (Level 3) inputs
Three months ended September 30, 2017	Fixed maturity securities available-for-sale, corporate			Equity securities available-for-sale, financial services		Equity securities available-for-sale, non-redeemable preferred stocks		Total
Beginning balance	$	840		$	3	$	2,000	$	2,843
Settlements	(125		)	—		—		(125		)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date	(1		)	—		—		(1		)
Balance at September 30, 2017	$	714		$	3	$	2,000	$	2,717
Nine months ended September 30, 2017
Beginning balance	$	982		$	3	$	2,000	$	2,985
Settlements	(265		)	—		—		(265		)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date	(3		)	—		—		(3		)
Balance at September 30, 2017	$	714		$	3	$	2,000	$	2,717

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INVESTMENTS

9 Months Ended

Sep. 30, 2018

Investments, Debt and Equity Securities [Abstract]

INVESTMENTS

INVESTMENTS

Investments of the Company’s insurance subsidiaries are subject to the insurance laws of the state of their incorporation. These laws prescribe the kind, quality and concentration of investments that may be made by insurance companies.  In general, these laws permit investments, within specified limits and subject to certain qualifications, in federal, state and municipal obligations, corporate bonds, preferred and common stocks and real estate mortgages.  The Company believes that it is in compliance with these laws.

The amortized cost and estimated fair value of securities available-for-sale as of September 30, 2018 and December 31, 2017 are as follows.  All fixed maturity securities are classified as available-for-sale and are carried at fair value.

September 30, 2018	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair values
($ in thousands)
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	8,133	$	—	$	275	$	7,858
U.S. government-sponsored agencies	305,159		—		15,102		290,057
Obligations of states and political subdivisions	274,342		8,773		808		282,307
Commercial mortgage-backed	78,943		209		3,838		75,314
Residential mortgage-backed	149,847		1,925		5,047		146,725
Other asset-backed	22,165		313		1,149		21,329
Corporate	426,386		2,698		4,602		424,482
Total fixed maturity securities	$	1,264,975	$	13,918	$	30,821	$	1,248,072

December 31, 2017	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair values
($ in thousands)
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	8,115	$	—	$	37	$	8,078
U.S. government-sponsored agencies	303,932		122		6,105		297,949
Obligations of states and political subdivisions	290,038		17,729		231		307,536
Commercial mortgage-backed	84,058		591		669		83,980
Residential mortgage-backed	120,554		2,479		3,234		119,799
Other asset-backed	23,934		625		445		24,114
Corporate	422,535		11,490		465		433,560
Total fixed maturity securities	1,253,166		33,036		11,186		1,275,016
Equity securities:
Common stocks:
Financial services	30,103		13,594		175		43,522
Information technology	18,308		17,504		2		35,810
Healthcare	18,877		11,876		158		30,595
Consumer staples	9,275		4,917		65		14,127
Consumer discretionary	10,935		9,640		37		20,538
Energy	12,441		5,381		917		16,905
Industrials	12,746		15,757		14		28,489
Other	11,058		5,363		—		16,421
Non-redeemable preferred stocks	20,531		1,216		39		21,708
Total equity securities	144,274		85,248		1,407		228,115
Total securities available-for-sale	$	1,397,440	$	118,284	$	12,593	$	1,503,131

The following tables set forth the estimated fair values and gross unrealized losses associated with investment securities that were in an unrealized loss position recognized in accumulated other comprehensive income as of September 30, 2018 and December 31, 2017, listed by length of time the securities were consistently in an unrealized loss position.

September 30, 2018	Less than twelve months				Twelve months or longer				Total
($ in thousands)	Fair values		Unrealized losses		Fair values		Unrealized losses		Fair values		Unrealized losses
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	7,621	$	263	$	237	$	12	$	7,858	$	275
U.S. government-sponsored agencies	145,814		5,252		144,243		9,850		290,057		15,102
Obligations of states and political subdivisions	21,833		185		11,881		623		33,714		808
Commercial mortgage-backed	43,343		2,014		24,829		1,824		68,172		3,838
Residential mortgage-backed	89,534		2,439		33,240		2,608		122,774		5,047
Other asset-backed	4,969		124		11,985		1,025		16,954		1,149
Corporate	217,534		4,020		11,856		582		229,390		4,602
Total fixed maturity securities	$	530,648	$	14,297	$	238,271	$	16,524	$	768,919	$	30,821

December 31, 2017	Less than twelve months				Twelve months or longer				Total
($ in thousands)	Fair values		Unrealized losses		Fair values		Unrealized losses		Fair values		Unrealized losses
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	8,078	$	37	$	—	$	—	$	8,078	$	37
U.S. government-sponsored agencies	134,284		1,491		127,604		4,614		261,888		6,105
Obligations of states and political subdivisions	—		—		14,416		231		14,416		231
Commercial mortgage-backed	32,155		221		8,530		448		40,685		669
Residential mortgage-backed	30,003		394		22,948		2,840		52,951		3,234
Other asset-backed	—		—		13,440		445		13,440		445
Corporate	28,314		329		4,047		136		32,361		465
Total fixed maturity securities	232,834		2,472		190,985		8,714		423,819		11,186
Equity securities:
Common stocks:
Financial services	4,391		175		—		—		4,391		175
Information technology	344		2		—		—		344		2
Healthcare	2,532		158		—		—		2,532		158
Consumer staples	575		65		—		—		575		65
Consumer discretionary	992		37		—		—		992		37
Energy	3,181		917		—		—		3,181		917
Industrials	3,016		14		—		—		3,016		14
Non-redeemable preferred stocks	—		—		1,961		39		1,961		39
Total equity securities	15,031		1,368		1,961		39		16,992		1,407
Total temporarily impaired securities	$	247,865	$	3,840	$	192,946	$	8,753	$	440,811	$	12,593

Nearly all of the fixed maturity securities that are in an unrealized loss position are considered investment grade by credit rating agencies. Because management does not intend to sell these securities, does not believe it will be required to sell these securities before recovery, and believes it will collect the amounts due on these securities, it was determined that these securities were not “other-than-temporarily” impaired at September 30, 2018.

The amortized cost and estimated fair values of fixed maturity securities at September 30, 2018, by contractual maturity, are shown below.  Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations, with or without call or prepayment penalties.

($ in thousands)	Amortized cost		Estimated fair values
Securities available-for-sale:
Due in one year or less	$	40,384	$	40,719
Due after one year through five years	224,706		225,537
Due after five years through ten years	365,415		360,172
Due after ten years	404,097		398,067
Securities not due at a single maturity date	230,373		223,577
Totals	$	1,264,975	$	1,248,072

A summary of realized investment gains and (losses) and the change in unrealized investment gains on equity investments is as follows:

	Three months ended September 30,						Nine months ended September 30,
($ in thousands)	2018			2017			2018			2017
Fixed maturity securities available-for-sale:
Gross realized investment gains	$	90		$	29		$	324		$	408
Gross realized investment losses	(1,050		)	(230		)	(7,018		)	(2,316		)
Equity securities:
Net realized investment gains, excluding "other-than-temporary" impairments	4,325			961			8,520			9,763
Change in unrealized investment gains	9,502			XXXX			(799		)	XXXX
"Other-than-temporary" impairments	XXXX			(355		)	XXXX			(1,088		)
Other long-term investments, net	(1,732		)	(999		)	(1,145		)	(4,601		)
Totals	$	11,135		$	(594	)	$	(118	)	$	2,166

Gains and losses realized on the disposition of investments are included in net income.  The cost of investments sold is determined on the specific identification method using the highest cost basis first.  The Company did not have any outstanding cumulative credit losses on fixed maturity securities that have been recognized in earnings from “other-than-temporary” impairments during any of the reported periods. The net realized investment gains (losses) recognized on other long-term investments primarily represent changes in the carrying value of a limited partnership that is used solely to support an equity tail-risk hedging strategy.

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CONTINGENT LIABILITIES

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

CONTINGENT LIABILITIES

CONTINGENT LIABILITIES

The Company and Employers Mutual and its other subsidiaries are parties to numerous lawsuits arising in the normal course of the insurance business.  The Company believes that the resolution of these lawsuits will not have a material adverse effect on its financial condition or its results of operations.  The companies involved have established reserves which are believed adequate to cover any potential liabilities arising out of all such pending or threatened proceedings.

The participants in the pooling agreement have purchased annuities from life insurance companies, under which the claimant is payee, to fund future payments that are fixed pursuant to specific claim settlement provisions.  The Company’s share of case loss reserves eliminated by the purchase of those annuities was $110,000 at December 31, 2017.  The Company had a contingent liability for the aggregate guaranteed amount of the annuities of $183,000 at December 31, 2017 should the issuers of those annuities fail to perform.  Although management is not able to verify the amount, the Company would likely have a similar contingent liability at September 30, 2018.  The probability of a material loss due to failure of performance by the issuers of these annuities is considered remote.

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STOCK REPURCHASE PROGRAM

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

STOCK REPURCHASE PROGRAM

STOCK REPURCHASE PROGRAM

On November 3, 2011, the Company’s Board of Directors authorized a $15.0 million stock repurchase program.  This program does not have an expiration date.  The timing and terms of the purchases are determined by management based on board approved parameters and market conditions, and are conducted in accordance with the applicable rules of the Securities and Exchange Commission.  Common stock repurchased under this program will be retired by the Company.  The Company repurchased 25,300 shares of its common stock at an average cost of $25.76 during the first nine months of 2018. No repurchases were made during the first nine months of 2017.

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ACCUMULATED OTHER COMPREHENSIVE INCOME

9 Months Ended

Sep. 30, 2018

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

ACCUMULATED OTHER COMPREHENSIVE INCOME

ACCUMULATED OTHER COMPREHENSIVE INCOME

The Company has available-for-sale securities and receives an allocation of the actuarial losses and net prior service credits associated with Employers Mutual’s pension and postretirement benefit plans, both of which generate accumulated other comprehensive income (loss) amounts.  The following table reconciles, by component, the beginning and ending balances of accumulated other comprehensive income (loss), net of tax.

	Accumulated other comprehensive income (loss) by component
	Unrealized gains (losses) on available-for- sale securities			Unrecognized pension and postretirement benefit obligations
($ in thousands)				Net actuarial loss			Prior service credit			Total			Total
Balance at December 31, 2017	$	83,497		$	(13,074	)	$	12,961		$	(113	)	$	83,384
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	(66,234		)	—			—			—			(66,234		)
Other comprehensive income (loss) before reclassifications	(35,903		)	—			—			—			(35,903		)
Amounts reclassified from accumulated other comprehensive income (loss)	5,288			250			(1,867		)	(1,617		)	3,671
Other comprehensive income (loss)	(30,615		)	250			(1,867		)	(1,617		)	(32,232		)
Balance at September 30, 2018	$	(13,352	)	$	(12,824	)	$	11,094		$	(1,730	)	$	(15,082	)

	Accumulated other comprehensive income (loss) by component
	Unrealized gains (losses) on available-for- sale securities			Unrecognized pension and postretirement benefit obligations
($ in thousands)				Net actuarial loss			Prior service credit			Total			Total
Balance at December 31, 2016	$	49,748		$	(16,299	)	$	12,632		$	(3,667	)	$	46,081
Other comprehensive income (loss) before reclassifications	23,460			—			—			—			23,460
Amounts reclassified from accumulated other comprehensive income (loss)	(4,399		)	719			(1,535		)	(816		)	(5,215		)
Other comprehensive income (loss)	19,061			719			(1,535		)	(816		)	18,245
Balance at September 30, 2017	$	68,809		$	(15,580	)	$	11,097		$	(4,483	)	$	64,326

The following tables display amounts reclassified out of accumulated other comprehensive income and into net income during the three and nine months ended September 30, 2018 and 2017, respectively.

($ in thousands)	Amounts reclassified from accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss) components	Three months ended   September 30, 2018			Nine months ended   September 30, 2018			Affected line item in the consolidated statements of income
Unrealized gains (losses) on investments:
Reclassification adjustment for net realized investment gains (losses) included in net income	$	(960	)	$	(6,694	)	Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments
Deferred income tax (expense) benefit	202			1,406			Total income tax expense (benefit)
Net reclassification adjustment	(758		)	(5,288		)	Net income
Unrecognized pension and postretirement benefit obligations:
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income:
Net actuarial loss	(106		)	(316		)	(1)
Prior service credit	788			2,363			(1)
Total before tax	682			2,047
Deferred income tax (expense) benefit	(143		)	(430		)
Net reclassification adjustment	539			1,617
Total reclassification adjustment	$	(219	)	$	(3,671	)

(1) These reclassified components of accumulated other comprehensive income are included in the computation of net periodic pension and postretirement benefit income (see note 7, Employee Retirement Plans, for additional details).

($ in thousands)	Amounts reclassified from accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss) components	Three months ended September 30, 2017			Nine months ended September 30, 2017			Affected line item in the consolidated statements of income
Unrealized gains (losses) on investments:
Reclassification adjustment for net realized investment gains (losses) included in net income	$	405		$	6,767		Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments
Deferred income tax (expense) benefit	(141		)	(2,368		)	Total income tax expense (benefit)
Net reclassification adjustment	264			4,399			Net income
Unrecognized pension and postretirement benefit obligations:
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income:
Net actuarial loss	(370		)	(1,107		)	(1)
Prior service credit	787			2,362			(1)
Total before tax	417			1,255
Deferred income tax (expense) benefit	(146		)	(439		)
Net reclassification adjustment	271			816
Total reclassification adjustment	$	535		$	5,215

(1) These reclassified components of accumulated other comprehensive income are included in the computation of net periodic pension and postretirement benefit income (see note 7, Employee Retirement Plans, for additional details).

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NEW ACCOUNTING PRONOUNCEMENTS NOT YET ADOPTED

9 Months Ended

Sep. 30, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

NEW ACCOUNTING PRONOUNCEMENTS NOT YET ADOPTED

NEW ACCOUNTING PRONOUNCEMENTS NOT YET ADOPTED

In February 2016, the FASB issued updated guidance in Leases Topic 842 of the ASC, which supersedes the guidance in Leases Topic 840 of the ASC. The objective of this update is to increase transparency and comparability among organizations by requiring recognition of lease assets and lease liabilities on the balance sheet, and disclosure of key information about leasing arrangements. This guidance is effective for interim and annual periods beginning after December 15, 2018, and is to be applied using a modified retrospective approach. Early adoption is permitted. The Company will adopt this guidance during the first quarter of 2019. Management's research of this guidance led to the conclusion that lease costs allocated to the Company through the pooling and quota share agreements can not be attributed to a specified asset, and therefore do not meet the definition of a leased asset contained in the guidance. As a result, adoption of this guidance is not expected to have an impact on the Company's consolidated financial condition or net income.

In June 2016, the FASB issued updated guidance in Financial Instruments-Credit Losses Topic 326 of the ASC. The objective of this update is to provide information about expected credit losses on financial instruments and other commitments to extend credit. Specifically, this updated guidance replaces the current incurred loss impairment methodology which delays recognition of a loss until it is probable a loss has been incurred, with a methodology that reflects expected credit losses considering a broader range of reasonable and supportable information. This guidance covers financial assets that are not accounted for at fair value through net income, thus will not be applicable to the Company's equity investments upon implementation of the updated guidance described above for the Financial Instruments-Overall Subtopic 825-10. This guidance is effective for interim and annual periods beginning after December 15, 2019, and is to be applied with a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective (modified-retrospective approach). Early adoption is permitted, but only to fiscal years beginning after December 15, 2018. The Company will adopt this guidance during the first quarter of 2020. The Company is currently evaluating the impact this guidance will have on the Company's consolidated financial condition and net income.

In August 2018, the FASB issued updated guidance guidance in Compensation-Retirement Benefits Topic 715 of the ASC. The objective of this update is to improve the effectiveness of disclosures in the notes to financial statements as part of the FASB's disclosure framework project. As it relates to the Company's footnote disclosures, this update adds to the annual disclosures the weighted-average crediting rate used in Employers Mutual's pension plans, and requires explanations for significant gains and losses in the benefit obligations of Employers Mutual's pension and postretirement benefit plans. This update removes from the Company's annual disclosures the amounts in accumulated other comprehensive income for pension and postretirement benefit plans expected to be recognized as components of net periodic benefit cost in the next fiscal year. The Company will adopt this guidance during the fourth quarter of 2018.

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Subsequent events (Notes)

9 Months Ended

Sep. 30, 2018

Subsequent Events [Abstract]

Subsequent Events [Text Block]

On October 29, 2018, the Company, Employers Mutual and their subsidiary and affiliated insurance companies (collectively the "EMC Insurance Companies") announced that they had made a strategic decision to exit personal lines business so that more time and resources can be dedicated to the commercial, reinsurance and life business. Personal lines premiums written currently comprise approximately six percent of the Company's total premiums written. During the fourth quarter of 2018, the Company expects to incur approximately $1.0 million of expense associated with the severance costs and write-off of personal lines software currently in development. During 2019, the Company expects to incur approximately $1.0 million of additional severance costs. In addition, the amortization of personal lines software currently in use will be accelerated over the transition period, which is expected to be approximately 18 months.

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REINSURANCE (Tables)

9 Months Ended

Sep. 30, 2018

Reinsurance Disclosures [Abstract]

Schedule of reinsurance transactions for insurance companies

The effect of reinsurance on premiums written and earned, and losses and settlement expenses incurred, for the three and nine months ended September 30, 2018 and 2017 is presented below.  The classification of the assumed and ceded reinsurance amounts between affiliates and nonaffiliates is based on the participants in the underlying reinsurance agreements, and is intended to provide an understanding of the actual source of the reinsurance activities.  This presentation differs from the classifications used in the consolidated financial statements, where all amounts flowing through the pooling and quota share agreements and inter-company reinsurance programs with Employers Mutual are reported as “affiliated” balances.

	Three months ended September 30, 2018
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	126,737		$	—		$	126,737
Assumed from nonaffiliates	1,138			42,211			43,349
Assumed from affiliates	159,648			—			159,648
Ceded to nonaffiliates	(7,309		)	(1,001		)	(8,310		)
Ceded to affiliates	(127,427		)	(1,312		)	(128,739		)
Net premiums written	$	152,787		$	39,898		$	192,685
Premiums earned
Direct	$	100,850		$	—		$	100,850
Assumed from nonaffiliates	1,017			41,128			42,145
Assumed from affiliates	133,781			—			133,781
Ceded to nonaffiliates	(7,895		)	(2,321		)	(10,216		)
Ceded to affiliates	(101,540		)	(1,312		)	(102,852		)
Net premiums earned	$	126,213		$	37,495		$	163,708
Losses and settlement expenses incurred
Direct	$	51,606		$	—		$	51,606
Assumed from nonaffiliates	1,039			31,378			32,417
Assumed from affiliates	87,992			311			88,303
Ceded to nonaffiliates	(5,205		)	(3,774		)	(8,979		)
Ceded to affiliates	(53,997		)	1,927			(52,070		)
Net losses and settlement expenses incurred	$	81,435		$	29,842		$	111,277

	Three months ended September 30, 2017
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	122,665		$	—		$	122,665
Assumed from nonaffiliates	1,333			38,955			40,288
Assumed from affiliates	153,900			—			153,900
Ceded to nonaffiliates	(10,532		)	(1,220		)	(11,752		)
Ceded to affiliates	(123,355		)	(1,212		)	(124,567		)
Net premiums written	$	144,011		$	36,523		$	180,534
Premiums earned
Direct	$	96,547		$	—		$	96,547
Assumed from nonaffiliates	1,225			38,463			39,688
Assumed from affiliates	128,325			—			128,325
Ceded to nonaffiliates	(8,388		)	(2,533		)	(10,921		)
Ceded to affiliates	(97,237		)	(1,212		)	(98,449		)
Net premiums earned	$	120,472		$	34,718		$	155,190
Losses and settlement expenses incurred
Direct	$	62,745		$	—		$	62,745
Assumed from nonaffiliates	961			57,268			58,229
Assumed from affiliates	81,047			277			81,324
Ceded to nonaffiliates	(4,435		)	(3,039		)	(7,474		)
Ceded to affiliates	(66,279		)	(8,969		)	(75,248		)
Net losses and settlement expenses incurred	$	74,039		$	45,537		$	119,576

	Nine months ended September 30, 2018
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	325,360		$	—		$	325,360
Assumed from nonaffiliates	3,440			122,564			126,004
Assumed from affiliates	430,699			—			430,699
Ceded to nonaffiliates	(23,232		)	(9,015		)	(32,247		)
Ceded to affiliates	(332,010		)	(3,937		)	(335,947		)
Net premiums written	$	404,257		$	109,612		$	513,869
Premiums earned
Direct	$	295,606		$	—		$	295,606
Assumed from nonaffiliates	3,319			122,577			125,896
Assumed from affiliates	394,697			—			394,697
Ceded to nonaffiliates	(25,026		)	(7,540		)	(32,566		)
Ceded to affiliates	(302,256		)	(3,937		)	(306,193		)
Net premiums earned	$	366,340		$	111,100		$	477,440
Losses and settlement expenses incurred
Direct	$	165,962		$	—		$	165,962
Assumed from nonaffiliates	2,801			84,846			87,647
Assumed from affiliates	269,672			908			270,580
Ceded to nonaffiliates	(10,107		)	(6,338		)	(16,445		)
Ceded to affiliates	(169,137		)	2,389			(166,748		)
Net losses and settlement expenses incurred	$	259,191		$	81,805		$	340,996

	Nine months ended September 30, 2017
($ in thousands)	Property and casualty insurance			Reinsurance			Total
Premiums written
Direct	$	312,809		$	—		$	312,809
Assumed from nonaffiliates	3,542			108,056			111,598
Assumed from affiliates	415,426			—			415,426
Ceded to nonaffiliates	(27,109		)	(9,074		)	(36,183		)
Ceded to affiliates	(319,459		)	(3,637		)	(323,096		)
Net premiums written	$	385,209		$	95,345		$	480,554
Premiums earned
Direct	$	287,821		$	—		$	287,821
Assumed from nonaffiliates	3,370			110,563			113,933
Assumed from affiliates	375,601			—			375,601
Ceded to nonaffiliates	(22,014		)	(7,719		)	(29,733		)
Ceded to affiliates	(294,471		)	(3,637		)	(298,108		)
Net premiums earned	$	350,307		$	99,207		$	449,514
Losses and settlement expenses incurred
Direct	$	198,317		$	—		$	198,317
Assumed from nonaffiliates	2,406			104,685			107,091
Assumed from affiliates	258,169			942			259,111
Ceded to nonaffiliates	(9,400		)	(4,626		)	(14,026		)
Ceded to affiliates	(218,425		)	(8,979		)	(227,404		)
Net losses and settlement expenses incurred	$	231,067		$	92,022		$	323,089

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LIABILITY FOR LOSSES AND SETTLEMENT EXPENSES (Tables)

9 Months Ended

Sep. 30, 2018

Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]

Schedule of reconciliation of beginning and ending reserves for losses and settlement expenses

The following table sets forth a reconciliation of beginning and ending reserves for losses and settlement expenses of the Company.  Amounts presented are on a net basis, with a reconciliation of beginning and ending reserves to the gross amounts presented in the consolidated financial statements.

	Nine months ended September 30,
($ in thousands)	2018			2017
Gross reserves at beginning of year	$	732,612		$	690,532
Re-valuation due to foreign currency exchange rates	525			(1,913		)
Less ceded reserves at beginning of year	30,923			20,664
Net reserves at beginning of year	701,164			671,781
Incurred losses and settlement expenses related to:
Current year	352,992			340,706
Prior years	(11,996		)	(17,617		)
Total incurred losses and settlement expenses	340,996			323,089
Paid losses and settlement expenses related to:
Current year	119,399			120,053
Prior years	193,673			173,986
Total paid losses and settlement expenses	313,072			294,039
Net reserves at end of period	729,088			700,831
Plus ceded reserves at end of period	32,661			25,348
Re-valuation due to foreign currency exchange rates	(168		)	282
Gross reserves at end of period	$	761,581		$	726,461

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SEGMENT INFORMATION (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Summarized financial information for segments

Three months ended September 30, 2018	Property and casualty insurance		Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	126,213	$	37,495		$	—		$	163,708
Underwriting profit (loss):
SAP underwriting profit (loss)	138		(844		)	—			(706		)
GAAP adjustments	378		398			—			776
GAAP underwriting profit (loss)	516		(446		)	—			70
Net investment income	8,514		3,423			14			11,951
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	6,760		4,476			(101		)	11,135
Other income (loss)	2,184		147			—			2,331
Interest expense	170		—			—			170
Other expenses	282		—			591			873
Income (loss) before income tax expense (benefit)	$	17,522	$	7,600		$	(678	)	$	24,444

Three months ended September 30, 2017	Property and casualty insurance			Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	120,472		$	34,718		$	—		$	155,190
Underwriting profit (loss):
SAP underwriting profit (loss)	1,927			(18,364		)	—			(16,437		)
GAAP adjustments	4,582			194			—			4,776
GAAP underwriting profit (loss)	6,509			(18,170		)	—			(11,661		)
Net investment income	8,252			3,237			12			11,501
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	(108		)	(486		)	—			(594		)
Other income (loss)	1,457			(358		)	—			1,099
Interest expense	84			—			—			84
Other expenses	170			—			531			701
Income (loss) before income tax expense (benefit)	$	15,856		$	(15,777	)	$	(519	)	$	(440	)

Nine months ended September 30, 2018	Property and casualty insurance			Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	366,340		$	111,100		$	—		$	477,440
Underwriting profit (loss):
SAP underwriting profit (loss)	(29,082		)	4,426			—			(24,656		)
GAAP adjustments	2,561			(355		)	—			2,206
GAAP underwriting profit (loss)	(26,521		)	4,071			—			(22,450		)
Net investment income	25,072			10,001			27			35,100
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	(1,225		)	1,208			(101		)	(118		)
Other income (loss)	6,330			389			—			6,719
Interest expense	483			—			—			483
Other expenses	759			—			1,815			2,574
Income (loss) before income tax expense (benefit)	$	2,414		$	15,669		$	(1,889	)	$	16,194
Assets	$	1,212,964		$	481,047		$	574,885		$	2,268,896
Eliminations	—			—			(564,796		)	(564,796		)
Reclassifications	(2,880		)	—			(118		)	(2,998		)
Total assets	$	1,210,084		$	481,047		$	9,971		$	1,701,102

Nine months ended September 30, 2017	Property and casualty insurance			Reinsurance			Parent company			Consolidated
($ in thousands)
Premiums earned	$	350,307		$	99,207		$	—		$	449,514
Underwriting profit (loss):
SAP underwriting profit (loss)	(9,559		)	(14,899		)	—			(24,458		)
GAAP adjustments	4,301			(942		)	—			3,359
GAAP underwriting profit (loss)	(5,258		)	(15,841		)	—			(21,099		)
Net investment income	24,225			9,421			33			33,679
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	3,033			(867		)	—			2,166
Other income (loss)	4,457			(1,457		)	—			3,000
Interest expense	253			—			—			253
Other expenses	580			—			1,684			2,264
Income (loss) before income tax expense (benefit)	$	25,624		$	(8,744	)	$	(1,651	)	$	15,229
Year ended December 31, 2017
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

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 and nine months ended September 30, 2018 and 2017, by line of insurance.

	Three months ended September 30,				Nine months ended September 30,
($ in thousands)	2018		2017		2018		2017
Property and casualty insurance
Commercial lines:
Automobile	$	32,851	$	30,229	$	95,155	$	87,275
Property	25,271		27,980		79,059		79,551
Workers' compensation	24,249		25,373		74,380		75,419
Other liability	31,399		24,996		81,952		73,378
Other	2,368		2,203		6,782		6,509
Total commercial lines	116,138		110,781		337,328		322,132
Personal lines	10,075		9,691		29,012		28,175
Total property and casualty insurance	$	126,213	$	120,472	$	366,340	$	350,307
Reinsurance
Pro rata reinsurance	$	10,484	$	10,730	$	33,627	$	33,181
Excess of loss reinsurance	27,011		23,988		77,473		66,026
Total reinsurance	$	37,495	$	34,718	$	111,100	$	99,207
Consolidated	$	163,708	$	155,190	$	477,440	$	449,514

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INCOME TAXES (Tables)

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Reconciliation of income tax expense (benefit)

The actual income tax expense (benefit) for the three and nine months ended September 30, 2018 and 2017 differed from the “expected” income tax expense (benefit) for those periods (computed by applying the United States federal corporate tax rates of 21 percent during 2018 and 35 percent during 2017 to income (loss) before income tax) as follows:

	Three months ended   September 30,						Nine months ended   September 30,
($ in thousands)	2018			2017			2018			2017
Computed "expected" income tax expense (benefit)	$	5,134		$	(154	)	$	3,401		$	5,330
Increases (decreases) in tax resulting from:
Incremental benefit of net operating loss carry back	839			—			—			—
Tax-exempt interest income	(290		)	(656		)	(897		)	(2,122		)
Dividends received deduction	(126		)	(294		)	(400		)	(948		)
Proration of tax-exempt interest and dividends received deduction	104			142			324			460
Other, net	(365		)	(224		)	(311		)	(545		)
Total income tax expense (benefit)	$	5,296		$	(1,186	)	$	2,117		$	2,175

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EMPLOYEE RETIREMENT PLANS (Tables)

9 Months Ended

Sep. 30, 2018

Retirement Benefits [Abstract]

Components of net periodic benefit cost

The components of net periodic benefit cost (income) for Employers Mutual’s pension and postretirement benefit plans is as follows:

	Three months ended   September 30,						Nine months ended   September 30,
($ in thousands)	2018			2017			2018			2017
Pension plans:
Service cost	$	4,213		$	3,783		$	12,639		$	11,351
Interest cost	2,681			2,798			8,044			8,393
Expected return on plan assets	(6,013		)	(5,192		)	(18,039		)	(15,574		)
Amortization of net actuarial loss	135			911			403			2,732
Amortization of prior service cost	—			5			—			15
Net periodic pension benefit cost	$	1,016		$	2,305		$	3,047		$	6,917
Postretirement benefit plans:
Service cost	$	369		$	341		$	1,105		$	1,022
Interest cost	521			570			1,563			1,710
Expected return on plan assets	(1,204		)	(1,077		)	(3,611		)	(3,233		)
Amortization of net actuarial loss	234			342			701			1,028
Amortization of prior service credit	(2,783		)	(2,788		)	(8,347		)	(8,365		)
Net periodic postretirement benefit income	$	(2,863	)	$	(2,612	)	$	(8,589	)	$	(7,838	)

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DISCLOSURES ABOUT THE FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Summary of carrying amount and estimated fair value of financial instruments

The carrying amounts and estimated fair values of the Company’s financial instruments as of September 30, 2018 and December 31, 2017 are summarized in the tables below.

September 30, 2018	Carrying amounts		Estimated fair values
($ in thousands)
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	7,858	$	7,858
U.S. government-sponsored agencies	290,057		290,057
Obligations of states and political subdivisions	282,307		282,307
Commercial mortgage-backed	75,314		75,314
Residential mortgage-backed	146,725		146,725
Other asset-backed	21,329		21,329
Corporate	424,482		424,482
Total fixed maturity securities available-for-sale	1,248,072		1,248,072
Equity investments, at fair value
Common stocks:
Financial services	48,647		48,647
Information technology	39,711		39,711
Healthcare	33,389		33,389
Consumer staples	13,302		13,302
Consumer discretionary	24,087		24,087
Energy	17,808		17,808
Industrials	23,943		23,943
Other	15,029		15,029
Non-redeemable preferred stocks	18,706		18,706
Investment funds	4,146		4,146
Total equity investments	238,768		238,768
Short-term investments	33,717		33,717
Liabilities:
Surplus notes	25,000		15,145

December 31, 2017	Carrying amounts		Estimated fair values
($ in thousands)
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	8,078	$	8,078
U.S. government-sponsored agencies	297,949		297,949
Obligations of states and political subdivisions	307,536		307,536
Commercial mortgage-backed	83,980		83,980
Residential mortgage-backed	119,799		119,799
Other asset-backed	24,114		24,114
Corporate	433,560		433,560
Total fixed maturity securities available-for-sale	1,275,016		1,275,016
Equity securities available-for-sale:
Common stocks:
Financial services	43,522		43,522
Information technology	35,810		35,810
Healthcare	30,595		30,595
Consumer staples	14,127		14,127
Consumer discretionary	20,538		20,538
Energy	16,905		16,905
Industrials	28,489		28,489
Other	16,421		16,421
Non-redeemable preferred stocks	21,708		21,708
Total equity securities available-for-sale	228,115		228,115
Short-term investments	23,613		23,613
Liabilities:
Surplus notes	25,000		16,689

Summary of assets and liabilities measured on recurring and non-recurring basis

Presented in the tables below are the estimated fair values of the Company’s financial instruments as of September 30, 2018 and December 31, 2017.

September 30, 2018					Fair value measurements using
($ in thousands)	Total		Investments measured at net asset value (NAV)		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Financial instruments reported at fair value on recurring basis:
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	7,858	$	—	$	—	$	7,858	$	—
U.S. government-sponsored agencies	290,057		—		—		290,057		—
Obligations of states and political subdivisions	282,307		—		—		282,307		—
Commercial mortgage-backed	75,314		—		—		75,314		—
Residential mortgage-backed	146,725		—		—		146,725		—
Other asset-backed	21,329		—		—		21,329		—
Corporate	424,482		—		—		424,133		349
Total fixed maturity securities available-for-sale	1,248,072		—		—		1,247,723		349
Equity investments, at fair value:
Common stocks:
Financial services	48,647		—		48,647		—		—
Information technology	39,711		—		39,711		—		—
Healthcare	33,389		—		33,389		—		—
Consumer staples	13,302		—		13,302		—		—
Consumer discretionary	24,087		—		24,087		—		—
Energy	17,808		—		17,808		—		—
Industrials	23,943		—		23,943		—		—
Other	15,029		—		15,029		—		—
Non-redeemable preferred stocks	18,706		—		9,093		9,613		—
Investment funds	4,146		4,146		—		—		—
Total equity investments	238,768		4,146		225,009		9,613		—
Short-term investments	33,717		—		33,717		—		—
Financial instruments not reported at fair value:
Liabilities:
Surplus notes	15,145		—		—		—		15,145

December 31, 2017					Fair value measurements using
($ in thousands)	Total		Investments measured at net asset value (NAV)		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Financial instruments reported at fair value on recurring basis:
Assets:
Fixed maturity securities available-for-sale:
U.S. treasury	$	8,078	$	—	$	—	$	8,078	$	—
U.S. government-sponsored agencies	297,949		—		—		297,949		—
Obligations of states and political subdivisions	307,536		—		—		307,536		—
Commercial mortgage-backed	83,980		—		—		83,980		—
Residential mortgage-backed	119,799		—		—		119,799		—
Other asset-backed	24,114		—		—		24,114		—
Corporate	433,560		—		—		432,940		620
Total fixed maturity securities available-for-sale	1,275,016		—		—		1,274,396		620
Equity securities available-for-sale:
Common stocks:
Financial services	43,522		—		43,519		—		3
Information technology	35,810		—		35,810		—		—
Healthcare	30,595		—		30,595		—		—
Consumer staples	14,127		—		14,127		—		—
Consumer discretionary	20,538		—		20,538		—		—
Energy	16,905		—		16,905		—		—
Industrials	28,489		—		28,489		—		—
Other	16,421		—		16,421		—		—
Non-redeemable preferred stocks	21,708		—		9,512		10,196		2,000
Total equity securities available-for-sale	228,115		—		215,916		10,196		2,003
Short-term investments	23,613		—		23,613		—		—
Financial instruments not reported at fair value:
Liabilities:
Surplus notes	16,689		—		—		—		16,689

Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs

Presented in the table below is a reconciliation of the assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the three and nine months ended September 30, 2018 and 2017.  Any unrealized gains or losses on fixed maturity securities are recognized in other comprehensive income (loss).  Any gains or losses from settlements, disposals, impairments and, starting in 2018, unrealized gains or losses on equity securities are reported as realized investment gains or losses in net income.

($ in thousands)	Fair value measurements using significant unobservable (Level 3) inputs
Three months ended September 30, 2018	Fixed maturity securities available-for-sale, corporate			Equity securities, financial services			Total
Beginning balance	$	474		$	—		$	474
Settlements	(125		)	—			(125		)
Balance at September 30, 2018	$	349		$	—		$	349
Nine months ended September 30, 2018
Beginning balance	$	620		$	3		$	623
Settlements	(270		)	—			(270		)
Unrealized losses included in net income	—			(3		)	(3		)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date	(1		)	—			(1		)
Balance at September 30, 2018	$	349		$	—		$	349

($ in thousands)	Fair value measurements using significant unobservable (Level 3) inputs
Three months ended September 30, 2017	Fixed maturity securities available-for-sale, corporate			Equity securities available-for-sale, financial services		Equity securities available-for-sale, non-redeemable preferred stocks		Total
Beginning balance	$	840		$	3	$	2,000	$	2,843
Settlements	(125		)	—		—		(125		)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date	(1		)	—		—		(1		)
Balance at September 30, 2017	$	714		$	3	$	2,000	$	2,717
Nine months ended September 30, 2017
Beginning balance	$	982		$	3	$	2,000	$	2,985
Settlements	(265		)	—		—		(265		)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date	(3		)	—		—		(3		)
Balance at September 30, 2017	$	714		$	3	$	2,000	$	2,717

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INVESTMENTS (Tables)

9 Months Ended

Sep. 30, 2018

Investments, Debt and Equity Securities [Abstract]

Reconciliation of available-for-sale securities from cost basis to fair value

The amortized cost and estimated fair value of securities available-for-sale as of September 30, 2018 and December 31, 2017 are as follows.  All fixed maturity securities are classified as available-for-sale and are carried at fair value.

September 30, 2018	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair values
($ in thousands)
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	8,133	$	—	$	275	$	7,858
U.S. government-sponsored agencies	305,159		—		15,102		290,057
Obligations of states and political subdivisions	274,342		8,773		808		282,307
Commercial mortgage-backed	78,943		209		3,838		75,314
Residential mortgage-backed	149,847		1,925		5,047		146,725
Other asset-backed	22,165		313		1,149		21,329
Corporate	426,386		2,698		4,602		424,482
Total fixed maturity securities	$	1,264,975	$	13,918	$	30,821	$	1,248,072

December 31, 2017	Amortized cost		Gross unrealized gains		Gross unrealized losses		Estimated fair values
($ in thousands)
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	8,115	$	—	$	37	$	8,078
U.S. government-sponsored agencies	303,932		122		6,105		297,949
Obligations of states and political subdivisions	290,038		17,729		231		307,536
Commercial mortgage-backed	84,058		591		669		83,980
Residential mortgage-backed	120,554		2,479		3,234		119,799
Other asset-backed	23,934		625		445		24,114
Corporate	422,535		11,490		465		433,560
Total fixed maturity securities	1,253,166		33,036		11,186		1,275,016
Equity securities:
Common stocks:
Financial services	30,103		13,594		175		43,522
Information technology	18,308		17,504		2		35,810
Healthcare	18,877		11,876		158		30,595
Consumer staples	9,275		4,917		65		14,127
Consumer discretionary	10,935		9,640		37		20,538
Energy	12,441		5,381		917		16,905
Industrials	12,746		15,757		14		28,489
Other	11,058		5,363		—		16,421
Non-redeemable preferred stocks	20,531		1,216		39		21,708
Total equity securities	144,274		85,248		1,407		228,115
Total securities available-for-sale	$	1,397,440	$	118,284	$	12,593	$	1,503,131

Estimated fair value and gross unrealized losses associated with investment securities

The following tables set forth the estimated fair values and gross unrealized losses associated with investment securities that were in an unrealized loss position recognized in accumulated other comprehensive income as of September 30, 2018 and December 31, 2017, listed by length of time the securities were consistently in an unrealized loss position.

September 30, 2018	Less than twelve months				Twelve months or longer				Total
($ in thousands)	Fair values		Unrealized losses		Fair values		Unrealized losses		Fair values		Unrealized losses
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	7,621	$	263	$	237	$	12	$	7,858	$	275
U.S. government-sponsored agencies	145,814		5,252		144,243		9,850		290,057		15,102
Obligations of states and political subdivisions	21,833		185		11,881		623		33,714		808
Commercial mortgage-backed	43,343		2,014		24,829		1,824		68,172		3,838
Residential mortgage-backed	89,534		2,439		33,240		2,608		122,774		5,047
Other asset-backed	4,969		124		11,985		1,025		16,954		1,149
Corporate	217,534		4,020		11,856		582		229,390		4,602
Total fixed maturity securities	$	530,648	$	14,297	$	238,271	$	16,524	$	768,919	$	30,821

December 31, 2017	Less than twelve months				Twelve months or longer				Total
($ in thousands)	Fair values		Unrealized losses		Fair values		Unrealized losses		Fair values		Unrealized losses
Securities available-for-sale:
Fixed maturity securities:
U.S. treasury	$	8,078	$	37	$	—	$	—	$	8,078	$	37
U.S. government-sponsored agencies	134,284		1,491		127,604		4,614		261,888		6,105
Obligations of states and political subdivisions	—		—		14,416		231		14,416		231
Commercial mortgage-backed	32,155		221		8,530		448		40,685		669
Residential mortgage-backed	30,003		394		22,948		2,840		52,951		3,234
Other asset-backed	—		—		13,440		445		13,440		445
Corporate	28,314		329		4,047		136		32,361		465
Total fixed maturity securities	232,834		2,472		190,985		8,714		423,819		11,186
Equity securities:
Common stocks:
Financial services	4,391		175		—		—		4,391		175
Information technology	344		2		—		—		344		2
Healthcare	2,532		158		—		—		2,532		158
Consumer staples	575		65		—		—		575		65
Consumer discretionary	992		37		—		—		992		37
Energy	3,181		917		—		—		3,181		917
Industrials	3,016		14		—		—		3,016		14
Non-redeemable preferred stocks	—		—		1,961		39		1,961		39
Total equity securities	15,031		1,368		1,961		39		16,992		1,407
Total temporarily impaired securities	$	247,865	$	3,840	$	192,946	$	8,753	$	440,811	$	12,593

Amortized cost and estimated fair value of fixed maturity securities

The amortized cost and estimated fair values of fixed maturity securities at September 30, 2018, by contractual maturity, are shown below.  Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations, with or without call or prepayment penalties.

($ in thousands)	Amortized cost		Estimated fair values
Securities available-for-sale:
Due in one year or less	$	40,384	$	40,719
Due after one year through five years	224,706		225,537
Due after five years through ten years	365,415		360,172
Due after ten years	404,097		398,067
Securities not due at a single maturity date	230,373		223,577
Totals	$	1,264,975	$	1,248,072

Summary of realized investment gains and (losses)

A summary of realized investment gains and (losses) and the change in unrealized investment gains on equity investments is as follows:

	Three months ended September 30,						Nine months ended September 30,
($ in thousands)	2018			2017			2018			2017
Fixed maturity securities available-for-sale:
Gross realized investment gains	$	90		$	29		$	324		$	408
Gross realized investment losses	(1,050		)	(230		)	(7,018		)	(2,316		)
Equity securities:
Net realized investment gains, excluding "other-than-temporary" impairments	4,325			961			8,520			9,763
Change in unrealized investment gains	9,502			XXXX			(799		)	XXXX
"Other-than-temporary" impairments	XXXX			(355		)	XXXX			(1,088		)
Other long-term investments, net	(1,732		)	(999		)	(1,145		)	(4,601		)
Totals	$	11,135		$	(594	)	$	(118	)	$	2,166

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ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)

9 Months Ended

Sep. 30, 2018

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of beginning and ending balances of accumulated other comprehensive income

The following table reconciles, by component, the beginning and ending balances of accumulated other comprehensive income (loss), net of tax.

	Accumulated other comprehensive income (loss) by component
	Unrealized gains (losses) on available-for- sale securities			Unrecognized pension and postretirement benefit obligations
($ in thousands)				Net actuarial loss			Prior service credit			Total			Total
Balance at December 31, 2017	$	83,497		$	(13,074	)	$	12,961		$	(113	)	$	83,384
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	(66,234		)	—			—			—			(66,234		)
Other comprehensive income (loss) before reclassifications	(35,903		)	—			—			—			(35,903		)
Amounts reclassified from accumulated other comprehensive income (loss)	5,288			250			(1,867		)	(1,617		)	3,671
Other comprehensive income (loss)	(30,615		)	250			(1,867		)	(1,617		)	(32,232		)
Balance at September 30, 2018	$	(13,352	)	$	(12,824	)	$	11,094		$	(1,730	)	$	(15,082	)

	Accumulated other comprehensive income (loss) by component
	Unrealized gains (losses) on available-for- sale securities			Unrecognized pension and postretirement benefit obligations
($ in thousands)				Net actuarial loss			Prior service credit			Total			Total
Balance at December 31, 2016	$	49,748		$	(16,299	)	$	12,632		$	(3,667	)	$	46,081
Other comprehensive income (loss) before reclassifications	23,460			—			—			—			23,460
Amounts reclassified from accumulated other comprehensive income (loss)	(4,399		)	719			(1,535		)	(816		)	(5,215		)
Other comprehensive income (loss)	19,061			719			(1,535		)	(816		)	18,245
Balance at September 30, 2017	$	68,809		$	(15,580	)	$	11,097		$	(4,483	)	$	64,326

Amounts reclassified out of accumulated other comprehensive income (loss)

The following tables display amounts reclassified out of accumulated other comprehensive income and into net income during the three and nine months ended September 30, 2018 and 2017, respectively.

($ in thousands)	Amounts reclassified from accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss) components	Three months ended   September 30, 2018			Nine months ended   September 30, 2018			Affected line item in the consolidated statements of income
Unrealized gains (losses) on investments:
Reclassification adjustment for net realized investment gains (losses) included in net income	$	(960	)	$	(6,694	)	Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments
Deferred income tax (expense) benefit	202			1,406			Total income tax expense (benefit)
Net reclassification adjustment	(758		)	(5,288		)	Net income
Unrecognized pension and postretirement benefit obligations:
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income:
Net actuarial loss	(106		)	(316		)	(1)
Prior service credit	788			2,363			(1)
Total before tax	682			2,047
Deferred income tax (expense) benefit	(143		)	(430		)
Net reclassification adjustment	539			1,617
Total reclassification adjustment	$	(219	)	$	(3,671	)

(1) These reclassified components of accumulated other comprehensive income are included in the computation of net periodic pension and postretirement benefit income (see note 7, Employee Retirement Plans, for additional details).

($ in thousands)	Amounts reclassified from accumulated other comprehensive income (loss)
Accumulated other comprehensive income (loss) components	Three months ended September 30, 2017			Nine months ended September 30, 2017			Affected line item in the consolidated statements of income
Unrealized gains (losses) on investments:
Reclassification adjustment for net realized investment gains (losses) included in net income	$	405		$	6,767		Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments
Deferred income tax (expense) benefit	(141		)	(2,368		)	Total income tax expense (benefit)
Net reclassification adjustment	264			4,399			Net income
Unrecognized pension and postretirement benefit obligations:
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income:
Net actuarial loss	(370		)	(1,107		)	(1)
Prior service credit	787			2,362			(1)
Total before tax	417			1,255
Deferred income tax (expense) benefit	(146		)	(439		)
Net reclassification adjustment	271			816
Total reclassification adjustment	$	535		$	5,215

(1) These reclassified components of accumulated other comprehensive income are included in the computation of net periodic pension and postretirement benefit income (see note 7, Employee Retirement Plans, for additional details).

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BASIS OF PRESENTATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	$ 0		$ 0
Defined benefit plan net periodic benefit cost other than service cost component	1,900	$ 1,300	5,600	$ 3,800
Retained Earnings [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	$ 66,234		$ 66,234

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TRANSACTIONS WITH AFFILIATES (Details) - Affiliated Entity [Member] $ in Thousands	3 Months Ended		6 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2018 USD ($) Plan	Jun. 30, 2018 USD ($) Plan	Dec. 31, 2017 USD ($) Plan	Jun. 30, 2017 USD ($) Plan	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2018 USD ($) Plan	Dec. 31, 2017 USD ($) Plan
Related Party Transaction [Line Items]
Ceded premiums earned	$ 102,852	$ 98,449					$ 306,193	$ 298,108
Ceded losses and settlement expenses incurred	52,070	75,248					166,748	227,404
Property and casualty insurance [Member]
Related Party Transaction [Line Items]
Number of reinsurance program treaties | Plan			1	1	1	1			2	2
Ceded premiums earned	101,540	97,237					302,256	294,471
Ceded losses and settlement expenses incurred	53,997	66,279					169,137	218,425
Property and casualty insurance [Member] | Annual Aggregate Catastrophe Excess of Loss [Member]
Related Party Transaction [Line Items]
Catastrophe claims, retention amount			$ 15,000	$ 22,000	$ 15,000	$ 20,000
Affiliated reinsurance contract first layer limit			12,000	24,000	12,000	24,000
Ceded premiums earned			$ 1,400	$ 6,000	$ 1,400	$ 6,000
Ceded losses and settlement expenses incurred	2,391	3,534					3,175	20,108
Reinsurance [Member]
Related Party Transaction [Line Items]
Number of reinsurance program treaties | Plan									2	2
Ceded premiums earned	1,312	1,212					3,937	3,637
Ceded losses and settlement expenses incurred	$ (1,927)	$ 8,969					$ (2,389)	$ 8,979
Reinsurance [Member] | Per Occurrence Catastrophe Excess of Loss [Member]
Related Party Transaction [Line Items]
Catastrophe claims, retention amount									$ 10,000	$ 10,000
Affiliated reinsurance contract first layer limit									$ 10,000	$ 10,000
First layer excess of loss coinsurance percentage (in hundreths)									20.00%	20.00%
Ceded premiums earned									$ 1,600	$ 1,700
Reinsurance [Member] | Annual Aggregate Catastrophe Excess of Loss [Member]
Related Party Transaction [Line Items]
Catastrophe claims, retention amount									20,000	20,000
Affiliated reinsurance contract first layer limit									$ 100,000	$ 100,000
First layer excess of loss coinsurance percentage (in hundreths)									20.00%	20.00%
Ceded premiums earned									$ 3,600	$ 3,200
Catastrophe event minimum amount									$ 500	$ 500

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REINSURANCE (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Premiums written
Net premiums written	$ 192,685	$ 180,534	$ 513,869	$ 480,554
Premiums earned
Net premiums earned	163,708	155,190	477,440	449,514
Losses and settlement expenses incurred
Net losses and settlement expenses incurred	111,277	119,576	340,996	323,089
Affiliated Entity [Member]
Premiums written
Assumed	159,648	153,900	430,699	415,426
Ceded	(128,739)	(124,567)	(335,947)	(323,096)
Premiums earned
Assumed	133,781	128,325	394,697	375,601
Ceded	(102,852)	(98,449)	(306,193)	(298,108)
Losses and settlement expenses incurred
Assumed	88,303	81,324	270,580	259,111
Ceded	(52,070)	(75,248)	(166,748)	(227,404)
Non Affiliated Entity [Member]
Premiums written
Direct	126,737	122,665	325,360	312,809
Assumed	43,349	40,288	126,004	111,598
Ceded	(8,310)	(11,752)	(32,247)	(36,183)
Premiums earned
Direct	100,850	96,547	295,606	287,821
Assumed	42,145	39,688	125,896	113,933
Ceded	(10,216)	(10,921)	(32,566)	(29,733)
Losses and settlement expenses incurred
Direct	51,606	62,745	165,962	198,317
Assumed	32,417	58,229	87,647	107,091
Ceded	$ (8,979)	$ (7,474)	$ (16,445)	$ (14,026)
Property and casualty insurance [Member]
Reinsurance Transactions For Insurance Companies, by Product Segment [Line Items]
Percentage of pool participation (in hundredths)	30.00%	30.00%	30.00%	30.00%
Premiums written
Net premiums written	$ 152,787	$ 144,011	$ 404,257	$ 385,209
Premiums earned
Net premiums earned	126,213	120,472	366,340	350,307
Losses and settlement expenses incurred
Net losses and settlement expenses incurred	81,435	74,039	259,191	231,067
Property and casualty insurance [Member] | Affiliated Entity [Member]
Premiums written
Assumed	159,648	153,900	430,699	415,426
Ceded	(127,427)	(123,355)	(332,010)	(319,459)
Premiums earned
Assumed	133,781	128,325	394,697	375,601
Ceded	(101,540)	(97,237)	(302,256)	(294,471)
Losses and settlement expenses incurred
Assumed	87,992	81,047	269,672	258,169
Ceded	(53,997)	(66,279)	(169,137)	(218,425)
Property and casualty insurance [Member] | Non Affiliated Entity [Member]
Premiums written
Direct	126,737	122,665	325,360	312,809
Assumed	1,138	1,333	3,440	3,542
Ceded	(7,309)	(10,532)	(23,232)	(27,109)
Premiums earned
Direct	100,850	96,547	295,606	287,821
Assumed	1,017	1,225	3,319	3,370
Ceded	(7,895)	(8,388)	(25,026)	(22,014)
Losses and settlement expenses incurred
Direct	51,606	62,745	165,962	198,317
Assumed	1,039	961	2,801	2,406
Ceded	(5,205)	(4,435)	(10,107)	(9,400)
Reinsurance [Member]
Premiums written
Net premiums written	39,898	36,523	109,612	95,345
Premiums earned
Net premiums earned	37,495	34,718	111,100	99,207
Losses and settlement expenses incurred
Net losses and settlement expenses incurred	29,842	45,537	81,805	92,022
Reinsurance [Member] | Affiliated Entity [Member]
Premiums written
Assumed	0	0	0	0
Ceded	(1,312)	(1,212)	(3,937)	(3,637)
Premiums earned
Assumed	0	0	0	0
Ceded	(1,312)	(1,212)	(3,937)	(3,637)
Losses and settlement expenses incurred
Assumed	311	277	908	942
Ceded	1,927	(8,969)	2,389	(8,979)
Reinsurance [Member] | Non Affiliated Entity [Member]
Premiums written
Direct	0	0	0	0
Assumed	42,211	38,955	122,564	108,056
Ceded	(1,001)	(1,220)	(9,015)	(9,074)
Premiums earned
Direct	0	0	0	0
Assumed	41,128	38,463	122,577	110,563
Ceded	(2,321)	(2,533)	(7,540)	(7,719)
Losses and settlement expenses incurred
Direct	0	0	0	0
Assumed	31,378	57,268	84,846	104,685
Ceded	$ (3,774)	$ (3,039)	$ (6,338)	$ (4,626)

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LIABILITY FOR LOSSES AND SETTELEMT EXPENSES (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Reconciliation of beginning and ending reserves for losses and settlement expenses [Roll Forward]
Gross reserves at beginning of year	$ 732,612	$ 690,532
Re-valuation due to foreign currency exchange rates	525	(1,913)
Less ceded reserves at beginning of year	30,923	20,664
Net reserves at beginning of year	701,164	671,781
Incurred losses and settlement expenses related to:
Current year	352,992	340,706
Prior years	(11,996)	(17,617)
Total incurred losses and settlement expenses	340,996	323,089
Paid losses and settlement expenses related to:
Current year	119,399	120,053
Prior years	193,673	173,986
Total paid losses and settlement expenses	313,072	294,039
Net reserves at end of period	729,088	700,831
Plus ceded reserves at end of period	32,661	25,348
Re-valuation due to foreign currency exchange rates	(168)	282
Gross reserves at end of period	761,581	726,461
Property and casualty insurance [Member]
Incurred losses and settlement expenses related to:
Prior years	$ (12,500)	$ (15,600)
Percentage change in loss and settlement expense reserves for prior accident years (in hundredths)	(2.50%)	(3.20%)
Reinsurance [Member]
Incurred losses and settlement expenses related to:
Prior years	$ 493	$ (2,100)
Percentage change in loss and settlement expense reserves for prior accident years (in hundredths)	0.20%	(1.00%)

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SEGMENT INFORMATION - Summarized financial information by segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Reconciliation of operating profit loss from segment to consolidated
Premiums earned	$ 163,708	$ 155,190	$ 477,440	$ 449,514
SAP underwriting profit (loss)	(706)	(16,437)	(24,656)	(24,458)
GAAP adjustments	776	4,776	2,206	3,359
GAAP underwriting profit (loss)	70	(11,661)	(22,450)	(21,099)
Net investment income	11,951	11,501	35,100	33,679
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	11,135	(594)	(118)	2,166
Other income (loss)	2,331	1,099	6,719	3,000
Interest expense	170	84	483	253
Other expenses	873	701	2,574	2,264
Income (loss) before income tax expense (benefit)	24,444	(440)	16,194	15,229
Reconciliation of assets from segment to consolidated
Assets	2,268,896		2,268,896		$ 2,289,419
Eliminations	(564,796)		(564,796)		(599,036)
Reclassifications	(2,998)		(2,998)		(8,443)
Total assets	1,701,102		1,701,102		1,681,940
Property and casualty insurance [Member]
Reconciliation of operating profit loss from segment to consolidated
Premiums earned	126,213	120,472	366,340	350,307
SAP underwriting profit (loss)	138	1,927	(29,082)	(9,559)
GAAP adjustments	378	4,582	2,561	4,301
GAAP underwriting profit (loss)	516	6,509	(26,521)	(5,258)
Net investment income	8,514	8,252	25,072	24,225
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	6,760	(108)	(1,225)	3,033
Other income (loss)	2,184	1,457	6,330	4,457
Interest expense	170	84	483	253
Other expenses	282	170	759	580
Income (loss) before income tax expense (benefit)	17,522	15,856	2,414	25,624
Reconciliation of assets from segment to consolidated
Assets	1,212,964		1,212,964		1,200,636
Eliminations	0		0		0
Reclassifications	(2,880)		(2,880)		(1,393)
Total assets	1,210,084		1,210,084		1,199,243
Reinsurance [Member]
Reconciliation of operating profit loss from segment to consolidated
Premiums earned	37,495	34,718	111,100	99,207
SAP underwriting profit (loss)	(844)	(18,364)	4,426	(14,899)
GAAP adjustments	398	194	(355)	(942)
GAAP underwriting profit (loss)	(446)	(18,170)	4,071	(15,841)
Net investment income	3,423	3,237	10,001	9,421
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	4,476	(486)	1,208	(867)
Other income (loss)	147	(358)	389	(1,457)
Interest expense	0	0	0	0
Other expenses	0	0	0	0
Income (loss) before income tax expense (benefit)	7,600	(15,777)	15,669	(8,744)
Reconciliation of assets from segment to consolidated
Assets	481,047		481,047		484,678
Eliminations	0		0		0
Reclassifications	0		0		(6,273)
Total assets	481,047		481,047		478,405
Parent company [Member]
Reconciliation of operating profit loss from segment to consolidated
Premiums earned	0	0	0	0
SAP underwriting profit (loss)	0	0	0	0
GAAP adjustments	0	0	0	0
GAAP underwriting profit (loss)	0	0	0	0
Net investment income	14	12	27	33
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	(101)	0	(101)	0
Other income (loss)	0	0	0	0
Interest expense	0	0	0	0
Other expenses	591	531	1,815	1,684
Income (loss) before income tax expense (benefit)	(678)	$ (519)	(1,889)	$ (1,651)
Reconciliation of assets from segment to consolidated
Assets	574,885		574,885		604,105
Eliminations	(564,796)		(564,796)		(599,036)
Reclassifications	(118)		(118)		(777)
Total assets	$ 9,971		$ 9,971		$ 4,292

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SEGMENT INFORMATION - Net premiums earned by segment and lines of insurance (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue from External Customer [Line Items]
Premiums earned	$ 163,708	$ 155,190	$ 477,440	$ 449,514
Property and casualty insurance [Member]
Revenue from External Customer [Line Items]
Premiums earned	126,213	120,472	366,340	350,307
Property and casualty insurance [Member] | Commercial Lines [Member]
Revenue from External Customer [Line Items]
Premiums earned	116,138	110,781	337,328	322,132
Property and casualty insurance [Member] | Commercial Lines [Member] | Automobile Insurance L O B [Member]
Revenue from External Customer [Line Items]
Premiums earned	32,851	30,229	95,155	87,275
Property and casualty insurance [Member] | Commercial Lines [Member] | Property Insurance L O B [Member]
Revenue from External Customer [Line Items]
Premiums earned	25,271	27,980	79,059	79,551
Property and casualty insurance [Member] | Commercial Lines [Member] | Workers' Compensation [Member]
Revenue from External Customer [Line Items]
Premiums earned	24,249	25,373	74,380	75,419
Property and casualty insurance [Member] | Commercial Lines [Member] | Other Liability [Member]
Revenue from External Customer [Line Items]
Premiums earned	31,399	24,996	81,952	73,378
Property and casualty insurance [Member] | Commercial Lines [Member] | Other Insurance L O B [Member]
Revenue from External Customer [Line Items]
Premiums earned	2,368	2,203	6,782	6,509
Property and casualty insurance [Member] | Personal Lines [Member]
Revenue from External Customer [Line Items]
Premiums earned	10,075	9,691	29,012	28,175
Reinsurance [Member]
Revenue from External Customer [Line Items]
Premiums earned	37,495	34,718	111,100	99,207
Reinsurance [Member] | Assumed Pro Rata [Member]
Revenue from External Customer [Line Items]
Premiums earned	10,484	10,730	33,627	33,181
Reinsurance [Member] | Assumed Excess of Loss [Member]
Revenue from External Customer [Line Items]
Premiums earned	$ 27,011	$ 23,988	$ 77,473	$ 66,026

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INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Income tax expense (benefit) reconciliation [Abstract]
United States federal corporate tax rate (in hundredths)	21.00%	35.00%	21.00%	35.00%
Computed expected income tax expense (benefit)	$ 5,134	$ (154)	$ 3,401	$ 5,330
Increases (decreases) in tax resulting from:
Incremental benefit of net operating loss carry back	839	0	0	0
Tax-exempt interest income	(290)	(656)	(897)	(2,122)
Dividends received deduction	(126)	(294)	(400)	(948)
Proration of tax-exempt interest and dividends received deduction	104	142	324	460
Other, net	(365)	(224)	(311)	(545)
Total income tax expense (benefit)	5,296	$ (1,186)	2,117	$ 2,175
Provision for uncertain tax positions	$ 0		$ 0		$ 0

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EMPLOYEE RETIREMENT PLANS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Pension plans [Member] | Emc Insurance Companies [Member]
Components of net periodic benefit cost [Abstract]
Service cost	$ 4,213	$ 3,783	$ 12,639	$ 11,351
Interest cost	2,681	2,798	8,044	8,393
Expected return on plan assets	(6,013)	(5,192)	(18,039)	(15,574)
Amortization of net actuarial loss	135	911	403	2,732
Amortization of prior service cost (credit)	0	5	0	15
Net periodic benefit cost (income)	1,016	2,305	3,047	6,917
Pension plans [Member] | EMC Insurance Group, Inc. [Member]
Components of net periodic benefit cost [Abstract]
Net periodic benefit cost (income)	305	692	914	2,075
Postretirement benefit plans [Member] | Emc Insurance Companies [Member]
Components of net periodic benefit cost [Abstract]
Service cost	369	341	1,105	1,022
Interest cost	521	570	1,563	1,710
Expected return on plan assets	(1,204)	(1,077)	(3,611)	(3,233)
Amortization of net actuarial loss	234	342	701	1,028
Amortization of prior service cost (credit)	(2,783)	(2,788)	(8,347)	(8,365)
Net periodic benefit cost (income)	(2,863)	(2,612)	(8,589)	(7,838)
Postretirement benefit plans [Member] | EMC Insurance Group, Inc. [Member]
Components of net periodic benefit cost [Abstract]
Net periodic benefit cost (income)	(806)	$ (736)	(2,418)	$ (2,208)
Entity's share of estimated contributions to employee benefit plan	$ 0		$ 0

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STOCK-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense	$ 224	$ 296	$ 830	$ 508
Recognized compensation expense, net of tax	$ 177	$ 192	$ 656	$ 330
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock shares vested during period (in shares)			92,214
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock awards or units granted during period (in shares)			120,439
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised during period (in shares)			79,946
Weighted average exercise price of options exercised during period (in dollars per share)			$ 14.53
Non-Employee Director [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock awards or units granted during period (in shares)			2,800
Restricted Stock Awards Surrendered and Forfeited [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchased and retired during period, shares			30,523
Average cost per share of stock repurchased			$ 26.30

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DISCLOSURES ABOUT THE FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018 USD ($) Security	Dec. 31, 2017 USD ($) Security
Assets [Abstract]
Fixed maturity securities available-for-sale	$ 1,248,072	$ 1,275,016
Equity investments, at fair value	238,768
Equity securities available-for-sale		228,115
Short-term investments	33,717	23,613
Liabilities [Abstract]
Surplus notes	$ 25,000	$ 25,000
Period for surplus notes included in assumptions	25 years	25 years
Current interest rate on surplus notes	2.73%	1.35%
Debt Securities [Member]
Assets [Abstract]
Fixed maturity securities available-for-sale	$ 1,248,072	$ 1,275,016
Number of broker quoted securities | Security	0	0
Number of securities not priced by independent pricing service | Security	6	8
U.S. treasury
Assets [Abstract]
Fixed maturity securities available-for-sale	$ 7,858	$ 8,078
U.S. government-sponsored agencies
Assets [Abstract]
Fixed maturity securities available-for-sale	290,057	297,949
Obligations of states and political subdivisions
Assets [Abstract]
Fixed maturity securities available-for-sale	282,307	307,536
Commercial mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	75,314	83,980
Residential mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	146,725	119,799
Other asset-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	21,329	24,114
Corporate
Assets [Abstract]
Fixed maturity securities available-for-sale	424,482	433,560
Equity Securities [Member]
Assets [Abstract]
Equity securities available-for-sale		228,115
Financial services
Assets [Abstract]
Equity securities available-for-sale		43,522
Information technology
Assets [Abstract]
Equity securities available-for-sale		35,810
Healthcare
Assets [Abstract]
Equity securities available-for-sale		30,595
Consumer staples
Assets [Abstract]
Equity securities available-for-sale		14,127
Consumer discretionary
Assets [Abstract]
Equity securities available-for-sale		20,538
Energy
Assets [Abstract]
Equity securities available-for-sale		16,905
Industrials
Assets [Abstract]
Equity securities available-for-sale		28,489
Other
Assets [Abstract]
Equity securities available-for-sale		16,421
Non-redeemable preferred stocks
Assets [Abstract]
Equity securities available-for-sale		21,708
Carrying amount [Member]
Assets [Abstract]
Short-term investments	33,717	23,613
Liabilities [Abstract]
Surplus notes	25,000	25,000
Carrying amount [Member] | Debt Securities [Member]
Assets [Abstract]
Fixed maturity securities available-for-sale	1,248,072	1,275,016
Carrying amount [Member] | U.S. treasury
Assets [Abstract]
Fixed maturity securities available-for-sale	7,858	8,078
Carrying amount [Member] | U.S. government-sponsored agencies
Assets [Abstract]
Fixed maturity securities available-for-sale	290,057	297,949
Carrying amount [Member] | Obligations of states and political subdivisions
Assets [Abstract]
Fixed maturity securities available-for-sale	282,307	307,536
Carrying amount [Member] | Commercial mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	75,314	83,980
Carrying amount [Member] | Residential mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	146,725	119,799
Carrying amount [Member] | Other asset-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	21,329	24,114
Carrying amount [Member] | Corporate
Assets [Abstract]
Fixed maturity securities available-for-sale	424,482	433,560
Carrying amount [Member] | Equity Securities [Member]
Assets [Abstract]
Equity investments, at fair value	238,768
Equity securities available-for-sale		228,115
Carrying amount [Member] | Financial services
Assets [Abstract]
Equity investments, at fair value	48,647
Equity securities available-for-sale		43,522
Carrying amount [Member] | Information technology
Assets [Abstract]
Equity investments, at fair value	39,711
Equity securities available-for-sale		35,810
Carrying amount [Member] | Healthcare
Assets [Abstract]
Equity investments, at fair value	33,389
Equity securities available-for-sale		30,595
Carrying amount [Member] | Consumer staples
Assets [Abstract]
Equity investments, at fair value	13,302
Equity securities available-for-sale		14,127
Carrying amount [Member] | Consumer discretionary
Assets [Abstract]
Equity investments, at fair value	24,087
Equity securities available-for-sale		20,538
Carrying amount [Member] | Energy
Assets [Abstract]
Equity investments, at fair value	17,808
Equity securities available-for-sale		16,905
Carrying amount [Member] | Industrials
Assets [Abstract]
Equity investments, at fair value	23,943
Equity securities available-for-sale		28,489
Carrying amount [Member] | Other
Assets [Abstract]
Equity investments, at fair value	15,029
Equity securities available-for-sale		16,421
Carrying amount [Member] | Non-redeemable preferred stocks
Assets [Abstract]
Equity investments, at fair value	18,706
Equity securities available-for-sale		21,708
Carrying amount [Member] | Investment funds [Member]
Assets [Abstract]
Equity investments, at fair value	4,146
Estimated fair value [Member]
Assets [Abstract]
Short-term investments	33,717	23,613
Liabilities [Abstract]
Surplus notes	15,145	16,689
Estimated fair value [Member] | Debt Securities [Member]
Assets [Abstract]
Fixed maturity securities available-for-sale	1,248,072	1,275,016
Estimated fair value [Member] | U.S. treasury
Assets [Abstract]
Fixed maturity securities available-for-sale	7,858	8,078
Estimated fair value [Member] | U.S. government-sponsored agencies
Assets [Abstract]
Fixed maturity securities available-for-sale	290,057	297,949
Estimated fair value [Member] | Obligations of states and political subdivisions
Assets [Abstract]
Fixed maturity securities available-for-sale	282,307	307,536
Estimated fair value [Member] | Commercial mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	75,314	83,980
Estimated fair value [Member] | Residential mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	146,725	119,799
Estimated fair value [Member] | Other asset-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	21,329	24,114
Estimated fair value [Member] | Corporate
Assets [Abstract]
Fixed maturity securities available-for-sale	424,482	433,560
Estimated fair value [Member] | Equity Securities [Member]
Assets [Abstract]
Equity investments, at fair value	238,768
Equity securities available-for-sale		228,115
Estimated fair value [Member] | Financial services
Assets [Abstract]
Equity investments, at fair value	48,647
Equity securities available-for-sale		43,522
Estimated fair value [Member] | Information technology
Assets [Abstract]
Equity investments, at fair value	39,711
Equity securities available-for-sale		35,810
Estimated fair value [Member] | Healthcare
Assets [Abstract]
Equity investments, at fair value	33,389
Equity securities available-for-sale		30,595
Estimated fair value [Member] | Consumer staples
Assets [Abstract]
Equity investments, at fair value	13,302
Equity securities available-for-sale		14,127
Estimated fair value [Member] | Consumer discretionary
Assets [Abstract]
Equity investments, at fair value	24,087
Equity securities available-for-sale		20,538
Estimated fair value [Member] | Energy
Assets [Abstract]
Equity investments, at fair value	17,808
Equity securities available-for-sale		16,905
Estimated fair value [Member] | Industrials
Assets [Abstract]
Equity investments, at fair value	23,943
Equity securities available-for-sale		28,489
Estimated fair value [Member] | Other
Assets [Abstract]
Equity investments, at fair value	15,029
Equity securities available-for-sale		16,421
Estimated fair value [Member] | Non-redeemable preferred stocks
Assets [Abstract]
Equity investments, at fair value	18,706
Equity securities available-for-sale		$ 21,708
Estimated fair value [Member] | Investment funds [Member]
Assets [Abstract]
Equity investments, at fair value	$ 4,146

XML

DISCLOSURES ABOUT THE FAIR VALUE OF FINANCIAL INSTRUMENTS, Recurring Measurement Inputs (Details) $ in Thousands	Sep. 30, 2018 USD ($) Security	Dec. 31, 2017 USD ($) Security
Assets [Abstract]
Fixed maturity securities available-for-sale	$ 1,248,072	$ 1,275,016
Equity investments, at fair value	238,768
Equity securities available-for-sale		228,115
Short-term investments	33,717	23,613
Liabilities [Abstract]
Surplus notes	25,000	25,000
Debt Securities [Member]
Assets [Abstract]
Fixed maturity securities available-for-sale	1,248,072	1,275,016
U.S. treasury
Assets [Abstract]
Fixed maturity securities available-for-sale	7,858	8,078
U.S. government-sponsored agencies
Assets [Abstract]
Fixed maturity securities available-for-sale	290,057	297,949
Obligations of states and political subdivisions
Assets [Abstract]
Fixed maturity securities available-for-sale	282,307	307,536
Commercial mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	75,314	83,980
Residential mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	146,725	119,799
Other asset-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	21,329	24,114
Corporate
Assets [Abstract]
Fixed maturity securities available-for-sale	424,482	433,560
Equity Securities [Member]
Assets [Abstract]
Equity securities available-for-sale		228,115
Financial services
Assets [Abstract]
Equity securities available-for-sale		43,522
Information technology
Assets [Abstract]
Equity securities available-for-sale		35,810
Healthcare
Assets [Abstract]
Equity securities available-for-sale		30,595
Consumer staples
Assets [Abstract]
Equity securities available-for-sale		14,127
Consumer discretionary
Assets [Abstract]
Equity securities available-for-sale		20,538
Energy
Assets [Abstract]
Equity securities available-for-sale		16,905
Industrials
Assets [Abstract]
Equity securities available-for-sale		28,489
Other
Assets [Abstract]
Equity securities available-for-sale		16,421
Non-redeemable preferred stocks
Assets [Abstract]
Equity securities available-for-sale		21,708
Recurring [Member]
Assets [Abstract]
Short-term investments	33,717	23,613
Recurring [Member] | Debt Securities [Member]
Assets [Abstract]
Fixed maturity securities available-for-sale	1,248,072	1,275,016
Recurring [Member] | U.S. treasury
Assets [Abstract]
Fixed maturity securities available-for-sale	7,858	8,078
Recurring [Member] | U.S. government-sponsored agencies
Assets [Abstract]
Fixed maturity securities available-for-sale	290,057	297,949
Recurring [Member] | Obligations of states and political subdivisions
Assets [Abstract]
Fixed maturity securities available-for-sale	282,307	307,536
Recurring [Member] | Commercial mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	75,314	83,980
Recurring [Member] | Residential mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	146,725	119,799
Recurring [Member] | Other asset-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	21,329	24,114
Recurring [Member] | Corporate
Assets [Abstract]
Fixed maturity securities available-for-sale	424,482	433,560
Recurring [Member] | Equity Securities [Member]
Assets [Abstract]
Equity investments, at fair value	238,768
Equity securities available-for-sale		228,115
Recurring [Member] | Financial services
Assets [Abstract]
Equity investments, at fair value	48,647
Equity securities available-for-sale		43,522
Recurring [Member] | Information technology
Assets [Abstract]
Equity investments, at fair value	39,711
Equity securities available-for-sale		35,810
Recurring [Member] | Healthcare
Assets [Abstract]
Equity investments, at fair value	33,389
Equity securities available-for-sale		30,595
Recurring [Member] | Consumer staples
Assets [Abstract]
Equity investments, at fair value	13,302
Equity securities available-for-sale		14,127
Recurring [Member] | Consumer discretionary
Assets [Abstract]
Equity investments, at fair value	24,087
Equity securities available-for-sale		20,538
Recurring [Member] | Energy
Assets [Abstract]
Equity investments, at fair value	17,808
Equity securities available-for-sale		16,905
Recurring [Member] | Industrials
Assets [Abstract]
Equity investments, at fair value	23,943
Equity securities available-for-sale		28,489
Recurring [Member] | Other
Assets [Abstract]
Equity investments, at fair value	15,029
Equity securities available-for-sale		16,421
Recurring [Member] | Non-redeemable preferred stocks
Assets [Abstract]
Equity investments, at fair value	18,706
Equity securities available-for-sale		21,708
Recurring [Member] | Investment funds [Member]
Assets [Abstract]
Equity investments, at fair value	4,146
Recurring [Member] | Investments measured at net asset value (NAV)
Assets [Abstract]
Short-term investments	0	0
Recurring [Member] | Investments measured at net asset value (NAV) | Debt Securities [Member]
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Investments measured at net asset value (NAV) | U.S. treasury
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Investments measured at net asset value (NAV) | U.S. government-sponsored agencies
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Investments measured at net asset value (NAV) | Obligations of states and political subdivisions
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Investments measured at net asset value (NAV) | Commercial mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Investments measured at net asset value (NAV) | Residential mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Investments measured at net asset value (NAV) | Other asset-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Investments measured at net asset value (NAV) | Corporate
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Investments measured at net asset value (NAV) | Equity Securities [Member]
Assets [Abstract]
Equity investments, at fair value	4,146
Equity securities available-for-sale		0
Recurring [Member] | Investments measured at net asset value (NAV) | Financial services
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Investments measured at net asset value (NAV) | Information technology
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Investments measured at net asset value (NAV) | Healthcare
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Investments measured at net asset value (NAV) | Consumer staples
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Investments measured at net asset value (NAV) | Consumer discretionary
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Investments measured at net asset value (NAV) | Energy
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Investments measured at net asset value (NAV) | Industrials
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Investments measured at net asset value (NAV) | Other
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Investments measured at net asset value (NAV) | Non-redeemable preferred stocks
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Investments measured at net asset value (NAV) | Investment funds [Member]
Assets [Abstract]
Equity investments, at fair value	4,146
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
Assets [Abstract]
Short-term investments	33,717	23,613
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Debt Securities [Member]
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | U.S. treasury
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | U.S. government-sponsored agencies
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Obligations of states and political subdivisions
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Commercial mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Residential mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Other asset-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Corporate
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Equity Securities [Member]
Assets [Abstract]
Equity investments, at fair value	225,009
Equity securities available-for-sale		215,916
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Financial services
Assets [Abstract]
Equity investments, at fair value	48,647
Equity securities available-for-sale		43,519
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Information technology
Assets [Abstract]
Equity investments, at fair value	39,711
Equity securities available-for-sale		35,810
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Healthcare
Assets [Abstract]
Equity investments, at fair value	33,389
Equity securities available-for-sale		30,595
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Consumer staples
Assets [Abstract]
Equity investments, at fair value	13,302
Equity securities available-for-sale		14,127
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Consumer discretionary
Assets [Abstract]
Equity investments, at fair value	24,087
Equity securities available-for-sale		20,538
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Energy
Assets [Abstract]
Equity investments, at fair value	17,808
Equity securities available-for-sale		16,905
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Industrials
Assets [Abstract]
Equity investments, at fair value	23,943
Equity securities available-for-sale		28,489
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Other
Assets [Abstract]
Equity investments, at fair value	15,029
Equity securities available-for-sale		16,421
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Non-redeemable preferred stocks
Assets [Abstract]
Equity investments, at fair value	9,093
Equity securities available-for-sale		9,512
Recurring [Member] | Quoted prices in active markets for identical assets (Level 1) [Member] | Investment funds [Member]
Assets [Abstract]
Equity investments, at fair value	0
Recurring [Member] | Significant other observable inputs (Level 2) [Member]
Assets [Abstract]
Short-term investments	0	0
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Debt Securities [Member]
Assets [Abstract]
Fixed maturity securities available-for-sale	1,247,723	1,274,396
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | U.S. treasury
Assets [Abstract]
Fixed maturity securities available-for-sale	7,858	8,078
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | U.S. government-sponsored agencies
Assets [Abstract]
Fixed maturity securities available-for-sale	290,057	297,949
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Obligations of states and political subdivisions
Assets [Abstract]
Fixed maturity securities available-for-sale	282,307	307,536
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Commercial mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	75,314	83,980
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Residential mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	146,725	119,799
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Other asset-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	21,329	24,114
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Corporate
Assets [Abstract]
Fixed maturity securities available-for-sale	424,133	432,940
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Equity Securities [Member]
Assets [Abstract]
Equity investments, at fair value	9,613
Equity securities available-for-sale		10,196
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Financial services
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Information technology
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Healthcare
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Consumer staples
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Consumer discretionary
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Energy
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Industrials
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Other
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Non-redeemable preferred stocks
Assets [Abstract]
Equity investments, at fair value	9,613
Equity securities available-for-sale		10,196
Recurring [Member] | Significant other observable inputs (Level 2) [Member] | Investment funds [Member]
Assets [Abstract]
Equity investments, at fair value	0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member]
Assets [Abstract]
Short-term investments	0	0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Debt Securities [Member]
Assets [Abstract]
Fixed maturity securities available-for-sale	$ 349	$ 620
Number of securities categorized as Level 3 fair value measurements | Security	2	2
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | U.S. treasury
Assets [Abstract]
Fixed maturity securities available-for-sale	$ 0	$ 0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | U.S. government-sponsored agencies
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Obligations of states and political subdivisions
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Commercial mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Residential mortgage-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Other asset-backed
Assets [Abstract]
Fixed maturity securities available-for-sale	0	0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Corporate
Assets [Abstract]
Fixed maturity securities available-for-sale	349	620
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Equity Securities [Member]
Assets [Abstract]
Equity investments, at fair value	$ 0
Equity securities available-for-sale		$ 2,003
Number of securities categorized as Level 3 fair value measurements | Security	1	2
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Financial services
Assets [Abstract]
Equity investments, at fair value	$ 0
Equity securities available-for-sale		$ 3
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Information technology
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Healthcare
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Consumer staples
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Consumer discretionary
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Energy
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Industrials
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Other
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		0
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Non-redeemable preferred stocks
Assets [Abstract]
Equity investments, at fair value	0
Equity securities available-for-sale		2,000
Recurring [Member] | Significant unobservable inputs (Level 3) [Member] | Investment funds [Member]
Assets [Abstract]
Equity investments, at fair value	0
Not Reported At Fair Value [Member]
Liabilities [Abstract]
Surplus notes	15,145	16,689
Not Reported At Fair Value [Member] | Investments measured at net asset value (NAV)
Liabilities [Abstract]
Surplus notes	0	0
Not Reported At Fair Value [Member] | Quoted prices in active markets for identical assets (Level 1) [Member]
Liabilities [Abstract]
Surplus notes	0	0
Not Reported At Fair Value [Member] | Significant other observable inputs (Level 2) [Member]
Liabilities [Abstract]
Surplus notes	0	0
Not Reported At Fair Value [Member] | Significant unobservable inputs (Level 3) [Member]
Liabilities [Abstract]
Surplus notes	$ 15,145	$ 16,689

XML

DISCLOSURES ABOUT THE FAIR VALUE OF FINANCIAL INSTRUMENTS, Unobservable Input Reconciliation (Details) - Recurring [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	$ 474	$ 2,843	$ 623	$ 2,985
Settlements	(125)	(125)	(270)	(265)
Unrealized losses included in net income			(3)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date		(1)	(1)	(3)
Balance at September 30, 2018	349	2,717	349	2,717
Corporate
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	474	840	620	982
Settlements	(125)	(125)	(270)	(265)
Unrealized losses included in net income			0
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date		(1)	(1)	(3)
Balance at September 30, 2018	349	714	349	714
Financial services
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance	0	3	3	3
Settlements	0	0	0	0
Unrealized losses included in net income			(3)
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date		0	0	0
Balance at September 30, 2018	$ 0	3	$ 0	3
Non-redeemable preferred stocks
Reconciliation of assets measured at fair value on recurring basis using significant unobservable inputs [Roll Forward]
Beginning balance		2,000		2,000
Settlements		0		0
Unrealized losses included in other comprehensive income (loss) on securities still held at reporting date		0		0
Balance at September 30, 2018		$ 2,000		$ 2,000

XML

INVESTMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Fixed maturity securities available-for-sale, Amortized cost	$ 1,264,975		$ 1,264,975		$ 1,253,166
Fixed maturity securities available-for-sale	1,248,072		1,248,072		1,275,016
Equity securities available-for-sale, Amortized cost					144,274
Equity securities available-for-sale					228,115
Available-for-sale securities, Amortized cost					1,397,440
Available-for-sale securities, Gross unrealized gains					118,284
Available-for-sale securities, Gross unrealized losses					12,593
Available-for-sale securities					1,503,131
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value					247,865
Less than twelve months, Unrealized losses					3,840
Twelve months or longer, Fair value					192,946
Twelve months or longer, Unrealized losses					8,753
Total, Fair value					440,811
Total, Unrealized losses					12,593
Amortized cost
Due in one year or less	40,384		40,384
Due after one year through five years	224,706		224,706
Due after five years through ten years	365,415		365,415
Due after ten years	404,097		404,097
Securities not due at a single maturity date	230,373		230,373
Fixed maturity securities available-for-sale, Amortized cost	1,264,975		1,264,975		1,253,166
Estimated fair value
Due in one year or less	40,719		40,719
Due after one year through five years	225,537		225,537
Due after five years through ten years	360,172		360,172
Due after ten years	398,067		398,067
Securities not due at a single maturity date	223,577		223,577
Totals	1,248,072		1,248,072		1,275,016
Realized Investment Gains (Losses) [Abstract]
Fixed maturity securities available-for-sale gross realized gains	90		324
Fixed maturity securities available-for-sale gross realized losses	(1,050)		(7,018)
Equity securities:	4,325		8,520
Change in unrealized investment gains	9,502		(799)
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	11,135	$ (594)	(118)	$ 2,166
Debt Securities [Member]
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Fixed maturity securities available-for-sale, Amortized cost	1,264,975		1,264,975		1,253,166
Fixed maturity securities available-for-sale, Gross unrealized gains	13,918		13,918		33,036
Fixed maturity securities available-for-sale, Gross unrealized losses	30,821		30,821		11,186
Fixed maturity securities available-for-sale	1,248,072		1,248,072		1,275,016
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value	530,648		530,648		232,834
Less than twelve months, Unrealized losses	14,297		14,297		2,472
Twelve months or longer, Fair value	238,271		238,271		190,985
Twelve months or longer, Unrealized losses	16,524		16,524		8,714
Total, Fair value	768,919		768,919		423,819
Total, Unrealized losses	30,821		30,821		11,186
Amortized cost
Fixed maturity securities available-for-sale, Amortized cost	1,264,975		1,264,975		1,253,166
Estimated fair value
Totals	1,248,072		1,248,072		1,275,016
Realized Investment Gains (Losses) [Abstract]
Available-for-sale, Gross realized investment gains		29		408
Available-for-sale, Gross realized investment losses		(230)		(2,316)
U.S. treasury
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Fixed maturity securities available-for-sale, Amortized cost	8,133		8,133		8,115
Fixed maturity securities available-for-sale, Gross unrealized gains	0		0		0
Fixed maturity securities available-for-sale, Gross unrealized losses	275		275		37
Fixed maturity securities available-for-sale	7,858		7,858		8,078
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value	7,621		7,621		8,078
Less than twelve months, Unrealized losses	263		263		37
Twelve months or longer, Fair value	237		237		0
Twelve months or longer, Unrealized losses	12		12		0
Total, Fair value	7,858		7,858		8,078
Total, Unrealized losses	275		275		37
Amortized cost
Fixed maturity securities available-for-sale, Amortized cost	8,133		8,133		8,115
Estimated fair value
Totals	7,858		7,858		8,078
U.S. government-sponsored agencies
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Fixed maturity securities available-for-sale, Amortized cost	305,159		305,159		303,932
Fixed maturity securities available-for-sale, Gross unrealized gains	0		0		122
Fixed maturity securities available-for-sale, Gross unrealized losses	15,102		15,102		6,105
Fixed maturity securities available-for-sale	290,057		290,057		297,949
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value	145,814		145,814		134,284
Less than twelve months, Unrealized losses	5,252		5,252		1,491
Twelve months or longer, Fair value	144,243		144,243		127,604
Twelve months or longer, Unrealized losses	9,850		9,850		4,614
Total, Fair value	290,057		290,057		261,888
Total, Unrealized losses	15,102		15,102		6,105
Amortized cost
Fixed maturity securities available-for-sale, Amortized cost	305,159		305,159		303,932
Estimated fair value
Totals	290,057		290,057		297,949
Obligations of states and political subdivisions
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Fixed maturity securities available-for-sale, Amortized cost	274,342		274,342		290,038
Fixed maturity securities available-for-sale, Gross unrealized gains	8,773		8,773		17,729
Fixed maturity securities available-for-sale, Gross unrealized losses	808		808		231
Fixed maturity securities available-for-sale	282,307		282,307		307,536
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value	21,833		21,833		0
Less than twelve months, Unrealized losses	185		185		0
Twelve months or longer, Fair value	11,881		11,881		14,416
Twelve months or longer, Unrealized losses	623		623		231
Total, Fair value	33,714		33,714		14,416
Total, Unrealized losses	808		808		231
Amortized cost
Fixed maturity securities available-for-sale, Amortized cost	274,342		274,342		290,038
Estimated fair value
Totals	282,307		282,307		307,536
Commercial mortgage-backed
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Fixed maturity securities available-for-sale, Amortized cost	78,943		78,943		84,058
Fixed maturity securities available-for-sale, Gross unrealized gains	209		209		591
Fixed maturity securities available-for-sale, Gross unrealized losses	3,838		3,838		669
Fixed maturity securities available-for-sale	75,314		75,314		83,980
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value	43,343		43,343		32,155
Less than twelve months, Unrealized losses	2,014		2,014		221
Twelve months or longer, Fair value	24,829		24,829		8,530
Twelve months or longer, Unrealized losses	1,824		1,824		448
Total, Fair value	68,172		68,172		40,685
Total, Unrealized losses	3,838		3,838		669
Amortized cost
Fixed maturity securities available-for-sale, Amortized cost	78,943		78,943		84,058
Estimated fair value
Totals	75,314		75,314		83,980
Residential mortgage-backed
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Fixed maturity securities available-for-sale, Amortized cost	149,847		149,847		120,554
Fixed maturity securities available-for-sale, Gross unrealized gains	1,925		1,925		2,479
Fixed maturity securities available-for-sale, Gross unrealized losses	5,047		5,047		3,234
Fixed maturity securities available-for-sale	146,725		146,725		119,799
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value	89,534		89,534		30,003
Less than twelve months, Unrealized losses	2,439		2,439		394
Twelve months or longer, Fair value	33,240		33,240		22,948
Twelve months or longer, Unrealized losses	2,608		2,608		2,840
Total, Fair value	122,774		122,774		52,951
Total, Unrealized losses	5,047		5,047		3,234
Amortized cost
Fixed maturity securities available-for-sale, Amortized cost	149,847		149,847		120,554
Estimated fair value
Totals	146,725		146,725		119,799
Other asset-backed
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Fixed maturity securities available-for-sale, Amortized cost	22,165		22,165		23,934
Fixed maturity securities available-for-sale, Gross unrealized gains	313		313		625
Fixed maturity securities available-for-sale, Gross unrealized losses	1,149		1,149		445
Fixed maturity securities available-for-sale	21,329		21,329		24,114
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value	4,969		4,969		0
Less than twelve months, Unrealized losses	124		124		0
Twelve months or longer, Fair value	11,985		11,985		13,440
Twelve months or longer, Unrealized losses	1,025		1,025		445
Total, Fair value	16,954		16,954		13,440
Total, Unrealized losses	1,149		1,149		445
Amortized cost
Fixed maturity securities available-for-sale, Amortized cost	22,165		22,165		23,934
Estimated fair value
Totals	21,329		21,329		24,114
Corporate
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Fixed maturity securities available-for-sale, Amortized cost	426,386		426,386		422,535
Fixed maturity securities available-for-sale, Gross unrealized gains	2,698		2,698		11,490
Fixed maturity securities available-for-sale, Gross unrealized losses	4,602		4,602		465
Fixed maturity securities available-for-sale	424,482		424,482		433,560
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value	217,534		217,534		28,314
Less than twelve months, Unrealized losses	4,020		4,020		329
Twelve months or longer, Fair value	11,856		11,856		4,047
Twelve months or longer, Unrealized losses	582		582		136
Total, Fair value	229,390		229,390		32,361
Total, Unrealized losses	4,602		4,602		465
Amortized cost
Fixed maturity securities available-for-sale, Amortized cost	426,386		426,386		422,535
Estimated fair value
Totals	424,482		424,482		433,560
Equity Securities [Member]
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Equity securities available-for-sale, Amortized cost					144,274
Equity securities available-for-sale, Gross unrealized gains					85,248
Equity securities available-for-sale, Gross unrealized loss					1,407
Equity securities available-for-sale					228,115
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value					15,031
Less than twelve months, Unrealized losses					1,368
Twelve months or longer, Fair value					1,961
Twelve months or longer, Unrealized losses					39
Total, Fair value					16,992
Total, Unrealized losses					1,407
Realized Investment Gains (Losses) [Abstract]
Net realized investment gains, excluding other-than-temporary impairments		961		9,763
Other-than-temporary impairments		(355)		(1,088)
Financial services
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Equity securities available-for-sale, Amortized cost					30,103
Equity securities available-for-sale, Gross unrealized gains					13,594
Equity securities available-for-sale, Gross unrealized loss					175
Equity securities available-for-sale					43,522
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value					4,391
Less than twelve months, Unrealized losses					175
Twelve months or longer, Fair value					0
Twelve months or longer, Unrealized losses					0
Total, Fair value					4,391
Total, Unrealized losses					175
Information technology
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Equity securities available-for-sale, Amortized cost					18,308
Equity securities available-for-sale, Gross unrealized gains					17,504
Equity securities available-for-sale, Gross unrealized loss					2
Equity securities available-for-sale					35,810
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value					344
Less than twelve months, Unrealized losses					2
Twelve months or longer, Fair value					0
Twelve months or longer, Unrealized losses					0
Total, Fair value					344
Total, Unrealized losses					2
Healthcare
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Equity securities available-for-sale, Amortized cost					18,877
Equity securities available-for-sale, Gross unrealized gains					11,876
Equity securities available-for-sale, Gross unrealized loss					158
Equity securities available-for-sale					30,595
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value					2,532
Less than twelve months, Unrealized losses					158
Twelve months or longer, Fair value					0
Twelve months or longer, Unrealized losses					0
Total, Fair value					2,532
Total, Unrealized losses					158
Consumer staples
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Equity securities available-for-sale, Amortized cost					9,275
Equity securities available-for-sale, Gross unrealized gains					4,917
Equity securities available-for-sale, Gross unrealized loss					65
Equity securities available-for-sale					14,127
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value					575
Less than twelve months, Unrealized losses					65
Twelve months or longer, Fair value					0
Twelve months or longer, Unrealized losses					0
Total, Fair value					575
Total, Unrealized losses					65
Consumer discretionary
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Equity securities available-for-sale, Amortized cost					10,935
Equity securities available-for-sale, Gross unrealized gains					9,640
Equity securities available-for-sale, Gross unrealized loss					37
Equity securities available-for-sale					20,538
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value					992
Less than twelve months, Unrealized losses					37
Twelve months or longer, Fair value					0
Twelve months or longer, Unrealized losses					0
Total, Fair value					992
Total, Unrealized losses					37
Energy
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Equity securities available-for-sale, Amortized cost					12,441
Equity securities available-for-sale, Gross unrealized gains					5,381
Equity securities available-for-sale, Gross unrealized loss					917
Equity securities available-for-sale					16,905
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value					3,181
Less than twelve months, Unrealized losses					917
Twelve months or longer, Fair value					0
Twelve months or longer, Unrealized losses					0
Total, Fair value					3,181
Total, Unrealized losses					917
Industrials
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Equity securities available-for-sale, Amortized cost					12,746
Equity securities available-for-sale, Gross unrealized gains					15,757
Equity securities available-for-sale, Gross unrealized loss					14
Equity securities available-for-sale					28,489
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value					3,016
Less than twelve months, Unrealized losses					14
Twelve months or longer, Fair value					0
Twelve months or longer, Unrealized losses					0
Total, Fair value					3,016
Total, Unrealized losses					14
Other
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Equity securities available-for-sale, Amortized cost					11,058
Equity securities available-for-sale, Gross unrealized gains					5,363
Equity securities available-for-sale, Gross unrealized loss					0
Equity securities available-for-sale					16,421
Non-redeemable preferred stocks
Amortized cost and estimated fair value of available-for-sale securities [Abstract]
Equity securities available-for-sale, Amortized cost					20,531
Equity securities available-for-sale, Gross unrealized gains					1,216
Equity securities available-for-sale, Gross unrealized loss					39
Equity securities available-for-sale					21,708
Available for sale securities continuous unrealized loss position [Abstract]
Less than twelve months, Fair value					0
Less than twelve months, Unrealized losses					0
Twelve months or longer, Fair value					1,961
Twelve months or longer, Unrealized losses					39
Total, Fair value					1,961
Total, Unrealized losses					$ 39
Other Long-term Investments [Member]
Realized Investment Gains (Losses) [Abstract]
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments	$ (1,732)	$ (999)	$ (1,145)	$ (4,601)

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CONTINGENT LIABILITIES (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Entity's share of case loss reserves, eliminated by the purchase of annuities	$ 110
Contingent liability for aggregate guaranteed amount of annuities	$ 183

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STOCK REPURCHASE PROGRAM (Details) - Treasury Stock [Member] - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2018	Nov. 03, 2011
Stock Repurchase Program [Line Items]
Authorized amount of stock repurchase program		$ 15,000
Stock repurchased and retired during period, shares	25,300
Average cost per share of stock repurchased	$ 25.76

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ACCUMULATED OTHER COMPREHENSIVE INCOME - Components of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	$ 0		$ 0
Other comprehensive income (loss) before reclassifications			(35,903)	$ 23,460
Amounts reclassified from accumulated other comprehensive income (loss)	219	$ (535)	3,671	(5,215)
Other comprehensive income (loss)	(9,138)	4,946	(32,232)	18,245
Accumulated Other Comprehensive Income (Loss) [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	(66,234)		(66,234)
Other comprehensive income (loss)			(32,232)	18,245
Unrealized gains (losses) on available-for- sale securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance			83,497	49,748
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	(66,234)		(66,234)
Other comprehensive income (loss) before reclassifications			(35,903)	23,460
Amounts reclassified from accumulated other comprehensive income (loss)			5,288	(4,399)
Other comprehensive income (loss)			(30,615)	19,061
Balance	(13,352)	68,809	(13,352)	68,809
Unrecognized pension and postretirement benefit obligations, net actuarial loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance			(13,074)	(16,299)
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	0		0
Other comprehensive income (loss) before reclassifications			0	0
Amounts reclassified from accumulated other comprehensive income (loss)			250	719
Other comprehensive income (loss)			250	719
Balance	(12,824)	(15,580)	(12,824)	(15,580)
Unrecognized pension and postretirement benefit obligations, prior service credit
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance			12,961	12,632
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	0		0
Other comprehensive income (loss) before reclassifications			0	0
Amounts reclassified from accumulated other comprehensive income (loss)			(1,867)	(1,535)
Other comprehensive income (loss)			(1,867)	(1,535)
Balance	11,094	11,097	11,094	11,097
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance			(113)	(3,667)
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	0		0
Other comprehensive income (loss) before reclassifications			0	0
Amounts reclassified from accumulated other comprehensive income (loss)	(539)	(271)	(1,617)	(816)
Other comprehensive income (loss)			(1,617)	(816)
Balance	(1,730)	(4,483)	(1,730)	(4,483)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance			83,384	46,081
Cumulative adjustment for adoption of financial instruments recognition and measurement changes	(66,234)		(66,234)
Balance	$ (15,082)	$ 64,326	$ (15,082)	$ 64,326

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ACCUMULATED OTHER COMPREHENSIVE INCOME - Reclassifications out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments		$ 11,135	$ (594)	$ (118)	$ 2,166
Total income tax expense (benefit)		(5,296)	1,186	(2,117)	(2,175)
Net income		19,148	746	14,077	13,054
Net reclassification adjustment		(219)	535	(3,671)	5,215
Unrealized gains (losses) on investments: | Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net realized investment gains (losses) and, beginning in 2018, change in unrealized investment gains on equity investments		(960)	405	(6,694)	6,767
Total income tax expense (benefit)		202	(141)	1,406	(2,368)
Net income		(758)	264	(5,288)	4,399
Unrecognized pension and postretirement benefit obligations, net actuarial loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income:	[1]	(106)	(370)	(316)	(1,107)
Net reclassification adjustment				(250)	(719)
Unrecognized pension and postretirement benefit obligations, prior service credit
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income:	[1]	788	787	2,363	2,362
Net reclassification adjustment				1,867	1,535
Total
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification adjustment for amounts amortized into net periodic pension and postretirement benefit income:		682	417	2,047	1,255
Deferred income tax (expense) benefit		(143)	(146)	(430)	(439)
Net reclassification adjustment		$ 539	$ 271	$ 1,617	$ 816

[1] These reclassified components of accumulated other comprehensive income are included in the computation of net periodic pension and postretirement benefit income (see note 7, Employee Retirement Plans, for additional details).

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Subsequent events (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Business Exit Costs	$ 1.0		$ 1.0
Property and casualty insurance [Member] | Personal Lines [Member]
Restructuring Cost and Reserve [Line Items]
Premiums Written As A Percentage Of Total		6.00%