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

The Company invests primarily in fixed maturity securities, which totaled 88.3% of total cash, cash equivalents and investments at March 31, 2016.



	March 31, 2016			December 31, 2015
	Carrying Value		% of Total Carrying Value	Carrying Value		% of Total Carrying Value
	($ In thousands)
Fixed maturity securities	$	1,059,265	88.3	$	995,601	85.0
Equity securities	23,548		2.0	23,438		2.0
Mortgage loans	587		—	594		0.1
Policy loans	62,011		5.2	60,166		5.1
Real estate and other long-term investments	7,988		0.7	8,031		0.7
Short-term investments	—		—	251		—
Cash and cash equivalents	45,355		3.8	82,827		7.1
Total cash, cash equivalents and investments	$	1,198,754	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.



	March 31, 2016
	Cost or Amortized Cost		Gross Unrealized Gains	Gross Unrealized Losses	Fair Value
	(In thousands)
Fixed maturities:
Available-for-sale:
U.S. Treasury securities	$	9,979	2,975	—	12,954
U.S. Government-sponsored enterprises	19,551		1,217	—	20,768
States and political subdivisions	513,752		22,792	2,233	534,311
Foreign governments	103		29	—	132
Corporate	223,005		13,171	3,481	232,695
Commercial mortgage-backed	118		5	—	123
Residential mortgage-backed	2,536		212	2	2,746
Total available-for-sale securities	769,044		40,401	5,716	803,729
Held-to-maturity securities:
U.S. Government-sponsored enterprises	2,008		101	—	2,109
States and political subdivisions	232,394		10,092	343	242,143
Corporate	21,134		1,137	1,337	20,934
Total held-to-maturity securities	255,536		11,330	1,680	265,186
Total fixed maturities	$	1,024,580	51,731	7,396	1,068,915

Short-term investments	$	—	—	—	—

Equity securities:
Stock mutual funds	$	3,270	—	195	3,075
Bond mutual funds	18,798		92	315	18,575
Common stock	65		3	25	43
Preferred stock	1,594		262	1	1,855
Total equity securities	$	23,727	357	536	23,548



	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.



	March 31, 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	$	52,802	400	47	15,061	1,833	19	67,863	2,233	66
Corporate	48,931		2,309	50	4,861	1,172	8	53,792	3,481	58
Residential mortgage-backed	53		1	1	130	1	3	183	2	4
Total available-for-sale securities	101,786		2,710	98	20,052	3,006	30	121,838	5,716	128
Held-to-maturity securities:
States and political subdivisions	9,813		115	15	10,136	228	10	19,949	343	25
Corporate	1,624		134	1	4,682	1,203	4	6,306	1,337	5
Total held-to-maturity securities	11,437		249	16	14,818	1,431	14	26,255	1,680	30
Total fixed maturities	$	113,223	2,959	114	34,870	4,437	44	148,093	7,396	158
Equity securities:
Stock mutual funds	$	3,073	195	4	2	—	1	3,075	195	5
Bond mutual funds	10,196		280	2	105	35	1	10,301	315	3
Common stocks	—		—	—	16	25	2	16	25	2
Preferred stocks	—		—	—	—	1	1	—	1	1
Total equities	$	13,269	475	6	123	61	5	13,392	536	11

As of March 31, 2016, the Company had 30 available-for-sale fixed maturity securities and 14 held-to-maturity fixed maturity securities that were in an unrealized loss position for greater than 12 months. We reported 5 common stock holdings in an unrealized loss position for greater than 12 months as of March 31, 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.

Investments Classified by Contractual Maturity Date [Table Text Block]

The amortized cost and fair value of fixed maturity securities at March 31, 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.



	March 31, 2016
	Amortized Cost		Fair Value
	(In thousands)
Available-for-sale securities:
Due in one year or less	$	39,255	39,635
Due after one year through five years	114,971		118,508
Due after five years through ten years	107,586		114,389
Due after ten years	507,232		531,197
Total available-for-sale securities	769,044		803,729
Held-to-maturity securities:
Due in one year or less	4,377		4,420
Due after one year through five years	38,617		40,966
Due after five years through ten years	52,955		55,963
Due after ten years	159,587		163,837
Total held-to-maturity securities	255,536		265,186
Total fixed maturities	$	1,024,580	1,068,915