Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net Income	$ 7,538	$ 7,040	$ 22,042	$ 20,192
Other Comprehensive Income
Change in Net Unrealized (Loss) Gain on Available-for-Sale Securities	(709)	2,460	4,667	910
Deferred Tax Expense (Benefit) Related to Unrealized Gains	299	(1,033)	(1,962)	(382)
Reclassification Adjustment for Realized (Gain) Loss on Available-for-Sale Securities Included in Net Income	(3)	(266)	286	(272)
Deferred Tax (Benefit) Expense Related to Reclassification Adjustment	(409)	111	(120)	114
Change in Net Unrealized Gain on Available-for-Sale Securities, Net of Tax	(822)	1,272	2,871	370
Total Other Comprehensive Income	(822)	1,272	2,871	370
Comprehensive Income	$ 6,716	$ 8,312	$ 24,913	$ 20,562