Investments (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
Investments Including Short Term And Cash And Cash Equivalents [Abstract]
Fixed maturity securities	$ 892,449,000		$ 892,449,000		$ 832,952,000
Fixed maturity securities percent	83.60%		83.60%		83.90%
Equity securities	56,637,000		56,637,000		47,259,000
Equity securities percent	5.30%		5.30%		4.80%
Mortgage loans	650,000		650,000		671,000
Mortgage loans percent	0.10%		0.10%		0.10%
Policy loans	52,001,000		52,001,000		48,868,000
Policy loans percent	4.90%		4.90%		4.80%
Real estate and other long-term investments	8,262,000		8,262,000		8,485,000
Real estate and other long-term investments percent	0.80%		0.80%		0.90%
Cash and cash equivalents	57,437,000	41,013,000	57,437,000	41,013,000	54,593,000	56,299,000
Cash and cash equivalents percent	5.30%		5.30%		5.50%
Total cash, cash equivalents and investments	1,067,436,000		1,067,436,000		992,828,000
Total cash, cash equivalents and investments percent	100.00%		100.00%		100.00%
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	628,591,000		628,591,000		595,944,000
Available-for-sale Equity Securities, Amortized Cost Basis	54,075,000		54,075,000		45,883,000
Available-for-sale Securities, Fair Value	720,138,000		720,138,000		652,515,000
Available-for-sale Securities, Debt Securities, Amortized Cost Basis, Total	628,591,000		628,591,000		595,944,000
Available-for-sale Debt Securities, Gross Unrealized Gains, Total			37,521,000		22,390,000
Available-for-sale Debt Securities, Gross Unrealized Losses, Total			2,611,000		13,078,000
Available-for-sale Debt Securities, Fair Value	663,501,000		663,501,000		605,256,000
Held-to-maturity Securities, Debt Securities, Net Carrying Amount	228,948,000		228,948,000		227,696,000
Held-to-maturity Securities, Unrecognized Holding Gain			7,172,000		2,601,000
Held-to-maturity Securities, Unrecognized Holding Loss			1,705,000		6,764,000
Held-to-maturity Securities, Fair Value	234,415,000		234,415,000		223,533,000
Total Fixed Maturity Securities, Amortized Cost	857,539,000		857,539,000
Total Fixed Maturity Securities, Fair Value	897,916,000		897,916,000
Unrealized Continuous Losses on Investments [Abstract]
Number of Available-for-sale Securities In Continuous Loss Position Aggregate	108		108		262
Debt Securities In Continuous Loss Less Than 12 Months Fair Value	27,241,000		27,241,000		341,533,000
Debt Securities Continuous Loss Position Less Than 12 Months Unrealized Losses			352,000		16,737,000
Number of Debt Securities In Continuous Loss Less Than 12 Months	41		41		366
Debt Securities In Continuous Loss Position 12 Months Or Longer, Fair Value	146,175,000		146,175,000		32,938,000
Debt Securities In Continuous Loss Position 12 Months Or Longer, Unrealized Losses			3,964,000		3,105,000
Number of Debt Securities In Continuous Loss Position 12 Months or Longer	139		139		36
Debt Securities In Continuous Loss Position, Aggregate Fair Value	173,416,000		173,416,000		374,471,000
Debt Securities In Continuous Loss Position, Aggregate Unrealized Losses			4,316,000		19,842,000
Number of Debt Securities In Continuous Loss Position, Aggregate	180		180		402
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]
Proceeds from Sale of Available-for-sale Securities, Fixed Maturities	580,000	0	580,000	58,000
Proceeds from Sale of Available-for-sale Securities, Equity	11,105,000	0	11,105,000	0
Schedule of Fixed Maturities [Abstract]
Available-for-sale Securities, Debt Maturities, Due in One Year or Less, Amortized Cost Basis	23,996,000		23,996,000
Available-for-sale Securities, Debt Maturities, Due in One Year or Less, Fair Value	24,352,000		24,352,000
Available-for-sale Securities, Debt Maturities, Due After One Year Through Five Years, Amortized Cost Basis	113,391,000		113,391,000
Available-for-sale Securities, Debt Maturities, Due After One Year Through Five Years, Fair Value	121,225,000		121,225,000
Available-for-sale Securities, Debt Maturities, Due After Five Years Through Ten Years, Amortized Cost Basis	100,341,000		100,341,000
Available-for-sale Securities, Debt Maturities, Due After Five Years Through Ten Years, Fair Value	106,079,000		106,079,000
Available-for-sale Securities, Debt Maturities, Due After Ten Years, Amortized Cost Basis	390,863,000		390,863,000
Available-for-sale Securities, Debt Maturities, Due After Ten Years, Fair Value	411,845,000		411,845,000
Held-to-maturity Securities, Debt Maturities, Due in One Year or Less, Amortized Cost Basis	13,446,000		13,446,000
Held-to-maturity Securities, Debt Maturities, Due in One Year or Less, Fair Value	13,520,000		13,520,000
Held-to-maturity Securities, Debt Maturities, Due After One Year Through Five Years, Amortized Cost Basis	28,682,000		28,682,000
Held-to-maturity Securities, Debt Maturities, Due After One Year Through Five Years, Fair Value	29,438,000		29,438,000
Held-to-maturity Securities, Debt Maturities, Due After Five Years Through Ten Years, Amortized Cost Basis	47,381,000		47,381,000
Held-to-maturity Securities, Debt Maturities, Due After Five Years Through Ten Years, Fair Value	49,863,000		49,863,000
Held-to-maturity Securities, Debt Maturities, Due After Ten Years, Amortized Cost Basis	139,439,000		139,439,000
Held-to-maturity Securities, Debt Maturities, Due After Ten Years, Fair Value	141,594,000		141,594,000
Sale of bonds, number of securities sold at a loss	1			0
Sale of bonds, number of held-to-maturity bonds sold	0			0
US Treasury Securities [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	10,086,000		10,086,000		10,115,000
Available-for-sale Securities, Gross Unrealized Gains			2,712,000		2,348,000
Available-for-sale Securities, Gross Unrealized Losses			0		0
Available-for-sale Securities, Fair Value	12,798,000		12,798,000		12,463,000
US Government Agencies Debt Securities [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	38,765,000		38,765,000		53,587,000
Available-for-sale Securities, Gross Unrealized Gains			1,919,000		1,209,000
Available-for-sale Securities, Gross Unrealized Losses			1,000		228,000
Available-for-sale Securities, Fair Value	40,683,000		40,683,000		54,568,000
Held-to-maturity Securities, Debt Securities, Net Carrying Amount	5,815,000		5,815,000		8,877,000
Held-to-maturity Securities, Unrecognized Holding Gain			246,000		197,000
Held-to-maturity Securities, Unrecognized Holding Loss			0		3,000
Held-to-maturity Securities, Fair Value	6,061,000		6,061,000		9,071,000
Unrealized Continuous Losses on Investments [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	160,000		160,000		14,032,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			1,000		228,000
Number of Available-for-sale Securities In Continuous Loss Position Less Than 12 Months	1		1		12
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0		0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			0		0
Number of Available-for-sale Securities In Continuous Loss Position For 12 months or Greater	0		0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	160,000		160,000		14,032,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses			1,000		228,000
Number of Available-for-sale Securities In Continuous Loss Position Aggregate	1		1		12
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value					2,997,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses					3,000
Number of Held-to-maturity Securities In Continuous Loss Position Less Than 12 Months					1
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value					0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses					0
Number of Held-to-maturity Securities In Continuous Loss Position 12 Months or Greater					0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value					2,997,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses					3,000
Number of Held-to-maturity Securities In Continuous Loss Position Aggregate					1
US States and Political Subdivisions Debt Securities [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	363,443,000		363,443,000		341,673,000
Available-for-sale Securities, Gross Unrealized Gains			14,413,000		6,242,000
Available-for-sale Securities, Gross Unrealized Losses			2,490,000		11,449,000
Available-for-sale Securities, Fair Value	375,366,000		375,366,000		336,466,000
Held-to-maturity Securities, Debt Securities, Net Carrying Amount	186,512,000		186,512,000		181,246,000
Held-to-maturity Securities, Unrecognized Holding Gain			5,895,000		1,633,000
Held-to-maturity Securities, Unrecognized Holding Loss			1,626,000		6,412,000
Held-to-maturity Securities, Fair Value	190,781,000		190,781,000		176,467,000
Unrealized Continuous Losses on Investments [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	9,760,000		9,760,000		183,280,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			124,000		9,872,000
Number of Available-for-sale Securities In Continuous Loss Position Less Than 12 Months	14		14		203
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	81,215,000		81,215,000		15,673,000
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			2,366,000		1,577,000
Number of Available-for-sale Securities In Continuous Loss Position For 12 months or Greater	72		72		16
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	90,975,000		90,975,000		198,953,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses			2,490,000		11,449,000
Number of Available-for-sale Securities In Continuous Loss Position Aggregate	86		86		219
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	3,975,000		3,975,000		100,153,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			95,000		5,236,000
Number of Held-to-maturity Securities In Continuous Loss Position Less Than 12 Months	8		8		118
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	55,841,000		55,841,000		14,797,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			1,531,000		1,176,000
Number of Held-to-maturity Securities In Continuous Loss Position 12 Months or Greater	60		60		17
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	59,816,000		59,816,000		114,950,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses			1,626,000		6,412,000
Number of Held-to-maturity Securities In Continuous Loss Position Aggregate	68		68		135
Foreign Government Debt Securities [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	104,000		104,000		104,000
Available-for-sale Securities, Gross Unrealized Gains			29,000		23,000
Available-for-sale Securities, Gross Unrealized Losses			0		0
Available-for-sale Securities, Fair Value	133,000		133,000		127,000
Corporate Debt Securities [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	212,432,000		212,432,000		186,671,000
Available-for-sale Securities, Gross Unrealized Gains			18,168,000		12,289,000
Available-for-sale Securities, Gross Unrealized Losses			116,000		1,399,000
Available-for-sale Securities, Fair Value	230,484,000		230,484,000		197,561,000
Held-to-maturity Securities, Debt Securities, Net Carrying Amount	36,621,000		36,621,000		37,573,000
Held-to-maturity Securities, Unrecognized Holding Gain			1,031,000		771,000
Held-to-maturity Securities, Unrecognized Holding Loss			79,000		349,000
Held-to-maturity Securities, Fair Value	37,573,000		37,573,000		37,995,000
Unrealized Continuous Losses on Investments [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	10,634,000		10,634,000		35,789,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			73,000		1,048,000
Number of Available-for-sale Securities In Continuous Loss Position Less Than 12 Months	8		8		25
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	6,081,000		6,081,000		2,426,000
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			43,000		351,000
Number of Available-for-sale Securities In Continuous Loss Position For 12 months or Greater	4		4		2
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	16,715,000		16,715,000		38,215,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses			116,000		1,399,000
Number of Available-for-sale Securities In Continuous Loss Position Aggregate	12		12		27
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	2,490,000		2,490,000		5,225,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			57,000		349,000
Number of Held-to-maturity Securities In Continuous Loss Position Less Than 12 Months	2		2		4
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	3,001,000		3,001,000		0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			22,000		0
Number of Held-to-maturity Securities In Continuous Loss Position 12 Months or Greater	2		2		0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	5,491,000		5,491,000		5,225,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses			79,000		349,000
Number of Held-to-maturity Securities In Continuous Loss Position Aggregate	4		4		4
Collateralized Mortgage Backed Securities [Member]
Schedule of Fixed Maturities And Equity Securities [Line Items]
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	3,800,000		3,800,000
Commercial Mortgage Backed Securities [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	262,000		262,000		300,000
Available-for-sale Securities, Gross Unrealized Gains			9,000		9,000
Available-for-sale Securities, Gross Unrealized Losses			0		0
Available-for-sale Securities, Fair Value	271,000		271,000		309,000
Residential Mortgage Backed Securities [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Debt Securities, Amortized Cost Basis	3,499,000		3,499,000		3,494,000
Available-for-sale Securities, Gross Unrealized Gains			271,000		270,000
Available-for-sale Securities, Gross Unrealized Losses			4,000		2,000
Available-for-sale Securities, Fair Value	3,766,000		3,766,000		3,762,000
Unrealized Continuous Losses on Investments [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	222,000		222,000		57,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			2,000		1,000
Number of Available-for-sale Securities In Continuous Loss Position Less Than 12 Months	8		8		3
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	37,000		37,000		42,000
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			2,000		1,000
Number of Available-for-sale Securities In Continuous Loss Position For 12 months or Greater	1		1		1
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	259,000		259,000		99,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses			4,000		2,000
Number of Available-for-sale Securities In Continuous Loss Position Aggregate	9		9		4
Debt Securities [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Total Fixed Maturity Securities, Amortized Cost	857,539,000		857,539,000		823,640,000
Total Fixed Maturity Securities, Gross Unrealized Gains			44,693,000		24,991,000
Total Fixed Maturity Securities, Gross Unrealized Losses			4,316,000		19,842,000
Total Fixed Maturity Securities, Fair Value	897,916,000		897,916,000		828,789,000
Unrealized Continuous Losses on Investments [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	20,776,000		20,776,000		233,158,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			200,000		11,149,000
Number of Available-for-sale Securities In Continuous Loss Position Less Than 12 Months	31		31		243
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	87,333,000		87,333,000		18,141,000
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			2,411,000		1,929,000
Number of Available-for-sale Securities In Continuous Loss Position For 12 months or Greater	77		77		19
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	108,109,000		108,109,000		251,299,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses			2,611,000		13,078,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	6,465,000		6,465,000		108,375,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			152,000		5,588,000
Number of Held-to-maturity Securities In Continuous Loss Position Less Than 12 Months	10		10		123
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	58,842,000		58,842,000		14,797,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			1,553,000		1,176,000
Number of Held-to-maturity Securities In Continuous Loss Position 12 Months or Greater	62		62		17
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	65,307,000		65,307,000		123,172,000
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses			1,705,000		6,764,000
Number of Held-to-maturity Securities In Continuous Loss Position Aggregate	72		72		140
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]
Available-for-sale Securities, Gross Realized Gains	21,000	0	21,000	1,000
Available-for-sale Securities, Gross Realized Losses	0	0	0	0
Stock Mutual Funds [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Equity Securities, Amortized Cost Basis	15,738,000		15,738,000		10,463,000
Available-for-sale Securities, Gross Unrealized Gains			2,137,000		1,506,000
Available-for-sale Securities, Gross Unrealized Losses			0		0
Available-for-sale Securities, Fair Value	17,875,000		17,875,000		11,969,000
Bond Mutual Funds [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Equity Securities, Amortized Cost Basis	35,869,000		35,869,000		35,080,000
Available-for-sale Securities, Gross Unrealized Gains			250,000		0
Available-for-sale Securities, Gross Unrealized Losses			88,000		417,000
Available-for-sale Securities, Fair Value	36,031,000		36,031,000		34,663,000
Unrealized Continuous Losses on Investments [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	17,912,000		17,912,000		34,663,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			88,000		417,000
Number of Available-for-sale Securities In Continuous Loss Position Less Than 12 Months	2		2		7
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0		0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			0		0
Number of Available-for-sale Securities In Continuous Loss Position For 12 months or Greater	0		0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	17,912,000		17,912,000		34,663,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses			88,000		417,000
Number of Available-for-sale Securities In Continuous Loss Position Aggregate	2		2		7
Common Stock [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Equity Securities, Amortized Cost Basis	727,000		727,000		17,000
Available-for-sale Securities, Gross Unrealized Gains			37,000		0
Available-for-sale Securities, Gross Unrealized Losses			7,000		5,000
Available-for-sale Securities, Fair Value	757,000		757,000		12,000
Unrealized Continuous Losses on Investments [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	0		0		12,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			0		5,000
Number of Available-for-sale Securities In Continuous Loss Position Less Than 12 Months	0		0		1
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	10,000		10,000		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			7,000		0
Number of Available-for-sale Securities In Continuous Loss Position For 12 months or Greater	1		1		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	10,000		10,000		12,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses			7,000		5,000
Number of Available-for-sale Securities In Continuous Loss Position Aggregate	1		1		1
Preferred Stock [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Equity Securities, Amortized Cost Basis	1,741,000		1,741,000		323,000
Available-for-sale Securities, Gross Unrealized Gains			233,000		292,000
Available-for-sale Securities, Gross Unrealized Losses			0		0
Available-for-sale Securities, Fair Value	1,974,000		1,974,000		615,000
Unrealized Continuous Losses on Investments [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			0
Number of Available-for-sale Securities In Continuous Loss Position Less Than 12 Months	0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			0
Number of Available-for-sale Securities In Continuous Loss Position For 12 months or Greater	0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	0		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses			0
Number of Available-for-sale Securities In Continuous Loss Position Aggregate	0		0
Equity Securities [Member]
Unrealized Gain (Loss) on Investments [Abstract]
Available-for-sale Equity Securities, Amortized Cost Basis	54,075,000		54,075,000		45,883,000
Available-for-sale Securities, Gross Unrealized Gains			2,657,000		1,798,000
Available-for-sale Securities, Gross Unrealized Losses			95,000		422,000
Available-for-sale Securities, Fair Value	56,637,000		56,637,000		47,259,000
Unrealized Continuous Losses on Investments [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	17,912,000		17,912,000		34,675,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses			88,000		422,000
Number of Available-for-sale Securities In Continuous Loss Position Less Than 12 Months	2		2		8
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	10,000		10,000		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses			7,000		0
Number of Available-for-sale Securities In Continuous Loss Position For 12 months or Greater	1		1		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	17,922,000		17,922,000		34,675,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses			95,000		422,000
Number of Available-for-sale Securities In Continuous Loss Position Aggregate	3		3		8
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]
Available-for-sale Securities, Gross Realized Gains	63,000	0	63,000	0
Available-for-sale Securities, Gross Realized Losses	$ 169,000	$ 0	$ 169,000	$ 0
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Fixed Maturities [Abstract]
Percent of residential mortgage backed to securities	92.10%		92.10%