CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]
Net income	$ 1,451		$ 2,680		$ 3,148		$ 9,562
Available-for-sale securities:
Gross unrealized holding gain (loss) arising in the period	(7,103)		(3,912)		2,627		(16,921)
Related income tax effect	2,487		1,369		(919)		5,922
Less: reclassification adjustment for net realized gains included in net income	(848)	[1]	(2,283)	[1]	(1,441)	[1]	(8,415)	[1]
Related income tax effect	296	[2]	799	[2]	504	[2]	2,945	[2]
Net effect on other comprehensive income (loss)	(5,168)		(4,027)		771		(16,469)
Derivative financial instrument:
Fair value adjustment to derivative financial instrument	0		0		0		141
Related income tax effect	0		0		0		(49)
Net effect on other comprehensive income (loss)	0		0		0		92
Total other comprehensive income (loss), net of tax	(5,168)		(4,027)		771		(16,377)
Total comprehensive income (loss)	$ (3,717)		$ (1,347)		$ 3,919		$ (6,815)

[1] Realized gains on available-for-sale securities recognized in realized investment gains, net on the accompanying condensed consolidated statements of operations.

[2] Income tax effect on reclassification adjustment for net realized gains included in income tax expense on the accompanying condensed consolidated statements of operations.