Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning balance			$ 167,498	$ 161,554
Other comprehensive income (loss)	$ (1,090)	$ 1,315	1,631	(255)
Balance, ending period	175,994	167,141	175,994	167,141
Accumulated Net Investment Gain (Loss) Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning balance	4,000	988	1,123	2,522
Unrealized gains (losses) arising during the period	(1,851)	2,047	3,106	1,082
Reclassification of realized gains during the period	(137)	(1)	(668)	(1,396)
Related deferred taxes	696	(716)	(853)	110
Other comprehensive income (loss)	(1,292)	1,330	1,585	(204)
Balance, ending period	$ 2,708	$ 2,318	$ 2,708	$ 2,318

Accumulated Other Comprehensive Income (Loss) [Roll Forward]

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Amount before tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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Amount before tax of reclassification adjustments of other comprehensive income (loss).

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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