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

The Company invests primarily in fixed maturity securities, which totaled 84.8% of total cash, cash equivalents and investments at June 30, 2015.



	June 30, 2015				December 31, 2014
	Carrying Value		% of Total Carrying Value		Carrying Value		% of Total Carrying Value
	($ In thousands)
Fixed maturity securities	$	966,693	84.8	%	$	932,159	83.6	%
Equity securities	69,809		6.1	%	69,879		6.3	%
Mortgage loans	610		0.1	%	628		0.1	%
Policy loans	56,652		5.0	%	54,032		4.8	%
Real estate and other long-term investments	8,120		0.7	%	8,266		0.7	%
Cash and cash equivalents	37,820		3.3	%	50,708		4.5	%
Total cash, cash equivalents and investments	$	1,139,704	100.0	%	$	1,115,672	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, 2015
	Cost or Amortized Cost		Gross Unrealized Gains	Gross Unrealized Losses	Fair Value
	(In thousands)
Fixed maturities:
Available-for-sale:
U.S. Treasury securities	$	10,026	2,694	—	12,720
U.S. Government-sponsored enterprises	36,589		1,461	—	38,050
States and political subdivisions	440,526		15,741	3,854	452,413
Foreign governments	104		28	—	132
Corporate	212,342		13,343	1,809	223,876
Commercial mortgage-backed	183		7	—	190
Residential mortgage-backed	2,885		243	2	3,126
Total available-for-sale securities	702,655		33,517	5,665	730,507
Held-to-maturity securities:
U.S. Government-sponsored enterprises	2,013		149	—	2,162
States and political subdivisions	207,346		6,336	1,096	212,586
Corporate	26,827		739	625	26,941
Total held-to-maturity securities	236,186		7,224	1,721	241,689
Total fixed maturities	$	938,841	40,741	7,386	972,196
Equity securities:
Stock mutual funds	$	16,007	1,715	133	17,589
Bond mutual funds	51,576		2	1,243	50,335
Common stock	65		—	16	49
Preferred stock	1,594		244	2	1,836
Total equity securities	$	69,242	1,961	1,394	69,809



	December 31, 2014
	Cost or Amortized Cost		Gross Unrealized Gains	Gross Unrealized Losses	Fair Value
	(In thousands)
Fixed maturities:
Available-for-sale securities:
U.S. Treasury securities	$	10,056	2,924	—	12,980
U.S. Government-sponsored enterprises	38,312		1,937	—	40,249
States and political subdivisions	404,657		19,146	1,448	422,355
Foreign governments	104		31	—	135
Corporate	211,410		17,441	1,024	227,827
Commercial mortgage-backed	223		8	—	231
Residential mortgage-backed	3,204		249	3	3,450
Total available-for-sale securities	667,966		41,736	2,475	707,227
Held-to-maturity securities:
U.S. Government-sponsored enterprises	2,017		178	—	2,195
States and political subdivisions	192,875		7,782	388	200,269
Corporate	30,040		947	560	30,427
Total held-to-maturity securities	224,932		8,907	948	232,891
Total fixed maturity securities	$	892,898	50,643	3,423	940,118
Equity securities:
Stock mutual funds	$	16,005	1,657	66	17,596
Bond mutual funds	50,976		60	796	50,240
Common stock	65		—	14	51
Preferred stock	1,741		253	2	1,992
Total equity securities	$	68,787	1,970	878	69,879

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, 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	$	139,803	1,956	98	19,524	1,898	10	159,327	3,854	108
Corporate	45,000		1,644	26	3,670	165	2	48,670	1,809	28
Residential mortgage-backed	2		—	1	141	2	3	143	2	4
Total available-for-sale securities	184,805		3,600	125	23,335	2,065	15	208,140	5,665	140
Held-to-maturity securities:
States and political subdivisions	53,064		963	37	7,582	133	7	60,646	1,096	44
Corporate	3,225		254	2	5,190	371	2	8,415	625	4
Total held-to-maturity securities	56,289		1,217	39	12,772	504	9	69,061	1,721	48
Total fixed maturities	$	241,094	4,817	164	36,107	2,569	24	277,201	7,386	188
Equity securities:
Stock mutual funds	$	5,409	133	4	—	—	—	5,409	133	4
Bond mutual funds	50,070		1,243	6	—	—	—	50,070	1,243	6
Common stocks	46		1	2	2	15	9	48	16	11
Preferred stocks	75		2	2	—	—	—	75	2	2
Total equities	$	55,600	1,379	14	2	15	9	55,602	1,394	23

As of June 30, 2015, the Company had 15 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 9 common stock holding in an unrealized loss position for greater than 12 months as of June 30, 2015.



	December 31, 2014
	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	$	43,776	318	47	33,716	1,130	24	77,492	1,448	71
Corporate	26,671		780	24	2,530	244	2	29,201	1,024	26
Residential mortgage-backed	159		2	5	33	1	1	192	3	6
Total available-for-sale securities	70,606		1,100	76	36,279	1,375	27	106,885	2,475	103
Held-to-maturity securities:
States and political subdivisions	21,233		74	16	15,429	314	21	36,662	388	37
Corporate	3,866		285	4	2,746	275	2	6,612	560	6
Total held-to-maturity securities	25,099		359	20	18,175	589	23	43,274	948	43
Total fixed maturities	$	95,705	1,459	96	54,454	1,964	50	150,159	3,423	146
Equity securities:
Stock mutual funds	$	5,224	66	4	—	—	—	5,224	66	4
Bond mutual funds	26,228		796	4	—	—	—	26,228	796	4
Preferred stocks	234		2	4	—	—	—	234	2	4
Common stock	46		1	2	4	13	9	50	14	11
Total equities	$	31,732	865	14	4	13	9	31,736	878	23

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. Proceeds and gross realized gains from sales of securities for the three and six months ended June 30, 2015 and 2014 are summarized as follows.



	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,
	2015		2014	2015	2014	2015	2014	2015	2014
	(In thousands)
Proceeds	$	—	580	—	580	—	11,105	—	11,105
Gross realized gains	$	—	21	—	21	—	63	—	63
Gross realized losses	$	—	—	—	—	—	169	—	169

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. Proceeds and gross realized gains from sales of securities for the three and six months ended June 30, 2015 and 2014 are summarized as follows.



	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,
	2015		2014	2015	2014	2015	2014	2015	2014
	(In thousands)
Proceeds	$	—	580	—	580	—	11,105	—	11,105
Gross realized gains	$	—	21	—	21	—	63	—	63
Gross realized losses	$	—	—	—	—	—	169	—	169

Investments Classified by Contractual Maturity Date [Table Text Block]

The amortized cost and fair value of fixed maturity securities at June 30, 2015 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, 2015
	Amortized Cost		Fair Value
	(In thousands)
Available-for-sale securities:
Due in one year or less	$	37,022	37,470
Due after one year through five years	124,548		130,746
Due after five years through ten years	98,026		102,870
Due after ten years	443,059		459,421
Total available-for-sale securities	702,655		730,507
Held-to-maturity securities:
Due in one year or less	12,549		12,599
Due after one year through five years	33,016		34,625
Due after five years through ten years	49,514		51,249
Due after ten years	141,107		143,216
Total held-to-maturity securities	236,186		241,689
Total fixed maturities	$	938,841	972,196