Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2017

Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following tables set forth our assets and liabilities that are measured at fair value on a recurring basis as of the dates indicated.

	June 30, 2017
Available-for-sale investments	Level 1		Level 2	Level 3	Total Fair Value
	(In thousands)
Financial assets:
Fixed maturities:
U.S. Treasury and U.S. Government-sponsored enterprises	$	12,144	4,548	—	16,692
States and political subdivisions	—		578,527	—	578,527
Corporate	—		336,146	—	336,146
Commercial mortgage-backed	—		—	8	8
Residential mortgage-backed	—		2,199	—	2,199
Foreign governments	—		125	—	125
Total fixed maturities	12,144		921,545	8	933,697
Equity securities:
Stock mutual funds	3,078		—	—	3,078
Bond mutual funds	12,334		—	—	12,334
Common stock	20		—	—	20
Redeemable preferred stock	711		—	—	711
Total equity securities	16,143		—	—	16,143
Total financial assets	$	28,287	921,545	8	949,840

	December 31, 2016
Available-for-sale investments	Level 1		Level 2	Level 3	Total Fair Value
	(In thousands)
Financial assets:
Fixed maturities:
U.S. Treasury and U.S. Government-sponsored enterprises	$	12,190	8,502	—	20,692
States and political subdivisions	—		573,274	—	573,274
Corporate	—		285,099	—	285,099
Commercial mortgage-backed	—		—	51	51
Residential mortgage-backed	—		2,426	—	2,426
Foreign governments	—		126	—	126
Total fixed maturities	12,190		869,427	51	881,668
Equity securities:
Stock mutual funds	2,946		—	—	2,946
Bond mutual funds	14,197		—	—	14,197
Common stock	25		—	—	25
Redeemable preferred stock	991		—	—	991
Total equity securities	18,159		—	—	18,159
Total financial assets	$	30,349	869,427	51	899,827

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table presents additional information about fixed maturity securities measured at fair value on a recurring basis that are classified as Level 3 assets and for which we have utilized significant unobservable inputs to determine fair value.

	June 30, 2017			December 31, 2016
	(In thousands)
Balance at beginning of period	$	51		145
Total realized and unrealized gains (losses)
Included in net income	—			—
Included in other comprehensive income	—			(4	)
Principal paydowns	(43		)	(90	)
Transfer in and (out) of Level 3	—			—
Balance at end of period	$	8		51

Fair Value, by Balance Sheet Grouping [Table Text Block]

The carrying amount and fair value for the financial assets and liabilities on the consolidated balance sheets not otherwise disclosed for the periods indicated are as follows:

	June 30, 2017			December 31, 2016
	Carrying Value		Fair Value	Carrying Value	Fair Value
	(In thousands)
Financial assets:
Fixed maturities, held-to-maturity	$	241,644	248,716	247,004	252,545
Mortgage loans	198		230	232	269
Policy loans	69,382		69,382	66,672	66,672
Short-term investments	—		—	508	508
Cash and cash equivalents	33,749		33,749	35,510	35,510
Financial liabilities:
Annuity - investment contracts	53,137		52,794	50,952	52,173