Investments Including Short Term And Cash And Cash Equivalents [Table Text Block]

The Company invests primarily in fixed maturity securities, which totaled 88.0% of total cash, cash equivalents and investments at June 30, 2016.



	June 30, 2016			December 31, 2015
	Carrying Value		% of Total Carrying Value	Carrying Value		% of Total Carrying Value
	($ In thousands)
Fixed maturity securities	$	1,091,638	88.0	$	995,601	85.0
Equity securities	23,234		1.9	23,438		2.0
Mortgage loans	468		—	594		0.1
Policy loans	63,157		5.1	60,166		5.1
Real estate and other long-term investments	7,944		0.7	8,031		0.7
Short-term investments	521		—	251		—
Cash and cash equivalents	52,937		4.3	82,827		7.1
Total cash, cash equivalents and investments	$	1,239,899	100.0	$	1,170,908	100.0

Unrealized Gain (Loss) on Investments [Table Text Block]

The following tables represent the cost, gross unrealized gains and losses and fair value for fixed maturities and equity securities as of the periods indicated.



	June 30, 2016
	Cost or Amortized Cost		Gross Unrealized Gains	Gross Unrealized Losses	Fair Value
	(In thousands)
Fixed maturities:
Available-for-sale:
U.S. Treasury securities	$	9,962	3,151	—	13,113
U.S. Government-sponsored enterprises	7,701		1,328	—	9,029
States and political subdivisions	514,576		30,297	1,522	543,351
Foreign governments	103		31	—	134
Corporate	250,041		18,334	1,310	267,065
Commercial mortgage-backed	103		5	—	108
Residential mortgage-backed	2,448		228	3	2,673
Total available-for-sale securities	784,934		53,374	2,835	835,473
Held-to-maturity securities:
U.S. Government-sponsored enterprises	2,006		84	—	2,090
States and political subdivisions	233,058		13,708	96	246,670
Corporate	21,101		1,043	853	21,291
Total held-to-maturity securities	256,165		14,835	949	270,051
Total fixed maturities	$	1,041,099	68,209	3,784	1,105,524

Short-term investments	$	521	—	—	521

Equity securities:
Stock mutual funds	$	2,867	—	1	2,866
Bond mutual funds	18,451		301	—	18,752
Common stock	39		4	17	26
Preferred stock	1,372		218	—	1,590
Total equity securities	$	22,729	523	18	23,234



	December 31, 2015
	Cost or Amortized Cost		Gross Unrealized Gains	Gross Unrealized Losses	Fair Value
	(In thousands)
Fixed maturities:
Available-for-sale securities:
U.S. Treasury securities	$	9,995	2,597	—	12,592
U.S. Government-sponsored enterprises	19,676		1,104	—	20,780
States and political subdivisions	470,319		15,815	3,085	483,049
Foreign governments	104		27	—	131
Corporate	211,245		9,683	4,847	216,081
Commercial mortgage-backed	140		5	—	145
Residential mortgage-backed	2,658		214	2	2,870
Total available-for-sale securities	714,137		29,445	7,934	735,648
Held-to-maturity securities:
U.S. Government-sponsored enterprises	2,010		110	—	2,120
States and political subdivisions	236,776		6,756	883	242,649
Corporate	21,167		530	1,500	20,197
Total held-to-maturity securities	259,953		7,396	2,383	264,966
Total fixed maturity securities	$	974,090	36,841	10,317	1,000,614

Short-term investments	$	251	—	—	251

Equity securities:
Stock mutual funds	$	3,270	—	237	3,033
Bond mutual funds	18,798		55	349	18,504
Common stock	65		—	22	43
Preferred stock	1,594		266	2	1,858
Total equity securities	$	23,727	321	610	23,438

Schedule of Unrealized Loss on Investments [Table Text Block]

The following tables present the fair values and gross unrealized losses of fixed maturities and equity securities that have remained in a continuous unrealized loss position for the periods indicated.



	June 30, 2016
	Less than 12 months				Greater than 12 months				Total
	Fair Value		Unrealized Losses	# of Securities	Fair Value		Unrealized Losses	# of Securities	Fair Value		Unrealized Losses	# of Securities
	(In thousands, except for # of securities)
Fixed maturities:
Available-for-sale securities:
States and political subdivisions	$	14,100	72	13	$	13,314	1,450	11	$	27,414	1,522	24
Corporate	28,313		445	28	10,125		865	16	38,438		1,310	44
Residential mortgage-backed	101		2	2	108		1	2	209		3	4
Total available-for-sale securities	42,514		519	43	23,547		2,316	29	66,061		2,835	72
Held-to-maturity securities:
States and political subdivisions	5,963		66	4	3,683		30	5	9,646		96	9
Corporate	—		—	—	5,027		853	4	5,027		853	4
Total held-to-maturity securities	5,963		66	4	8,710		883	9	14,673		949	13
Total fixed maturities	$	48,477	585	47	$	32,257	3,199	38	$	80,734	3,784	85
Equity securities:
Stock mutual funds	$	999	1	1	$	—	—	—	$	999	1	1
Common stocks	—		—	—	18		17	1	18		17	1
Total equities	$	999	1	1	$	18	17	1	$	1,017	18	2

As of June 30, 2016, the Company had 29 available-for-sale fixed maturity securities and 9 held-to-maturity fixed maturity securities that were in an unrealized loss position for greater than 12 months. We reported 1 equity security holding in an unrealized loss position for greater than 12 months as of June 30, 2016.



	December 31, 2015
	Less than 12 months				Greater than 12 months				Total
	Fair Value		Unrealized Losses	# of Securities	Fair Value		Unrealized Losses	# of Securities	Fair Value		Unrealized Losses	# of Securities
	(In thousands, except for # of securities)
Fixed maturities:
Available-for-sale securities:
States and political subdivisions	$	136,862	1,474	129	$	12,633	1,611	12	$	149,495	3,085	141
Corporate	70,081		4,330	69	3,308		517	3	73,389		4,847	72
Residential mortgage-backed	57		1	2	133		1	3	190		2	5
Total available-for-sale securities	207,000		5,805	200	16,074		2,129	18	223,074		7,934	218
Held-to-maturity securities:
States and political subdivisions	74,628		774	59	2,404		109	5	77,032		883	64
Corporate	4,585		641	4	2,160		859	2	6,745		1,500	6
Total held-to-maturity securities	79,213		1,415	63	4,564		968	7	83,777		2,383	70
Total fixed maturities	$	286,213	7,220	263	$	20,638	3,097	25	$	306,851	10,317	288
Equity securities:
Stock mutual funds	$	3,030	237	4	$	2	—	1	$	3,032	237	5
Bond mutual funds	10,158		318	2	108		31	1	10,266		349	3
Preferred stocks	101		1	1	1		1	1	102		2	2
Common stock	22		1	2	21		21	2	43		22	4
Total equities	$	13,311	557	9	$	132	53	5	$	13,443	610	14

Schedule of Realized Gain (Loss) [Table Text Block]

The Company uses the specific identification method of the individual security to determine the cost basis used in the calculation of realized gains and losses related to security sales.



	Fixed Maturities Available-for-Sale					Equity Securities
	Three Months Ended			Six Months Ended		Three Months Ended		Six Months Ended
	June 30,			June 30,		June 30,		June 30
	2016		2015	2016	2015	2016	2015	2016	2015
	(In thousands)
Proceeds	$	—	—	—	—	403	—	403	—
Gross realized gains	$	—	—	—	—	40	—	40	—
Gross realized losses	$	—	—	—	—	36	—	36	—

The Company uses the specific identification method of the individual security to determine the cost basis used in the calculation of realized gains and losses related to security sales.



	Fixed Maturities Available-for-Sale					Equity Securities
	Three Months Ended			Six Months Ended		Three Months Ended		Six Months Ended
	June 30,			June 30,		June 30,		June 30
	2016		2015	2016	2015	2016	2015	2016	2015
	(In thousands)
Proceeds	$	—	—	—	—	403	—	403	—
Gross realized gains	$	—	—	—	—	40	—	40	—
Gross realized losses	$	—	—	—	—	36	—	36	—

Investments Classified by Contractual Maturity Date [Table Text Block]

The amortized cost and fair value of fixed maturity securities at June 30, 2016 by contractual maturity are shown in the table below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Securities not due at a single maturity date have been reflected based upon final stated maturity.



	June 30, 2016
	Amortized Cost		Fair Value
	(In thousands)
Available-for-sale securities:
Due in one year or less	$	38,553	39,140
Due after one year through five years	108,931		113,330
Due after five years through ten years	113,784		122,978
Due after ten years	523,666		560,025
Total available-for-sale securities	784,934		835,473
Held-to-maturity securities:
Due in one year or less	4,185		4,206
Due after one year through five years	38,928		41,368
Due after five years through ten years	56,368		60,490
Due after ten years	156,684		163,987
Total held-to-maturity securities	256,165		270,051
Total fixed maturities	$	1,041,099	1,105,524