CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 25,110,000	$ 16,624,000	$ 8,918,000
Other comprehensive income
Change in net unrealized gain/(loss) during the period	(12,905,000)	6,198,000	14,198,000
Reclassification adjustments for gains included in income	(1,889,000)	(661,000)	(759,000)
Reclassification adjustment for called security	(133,000)	297,000	(846,000)
Amortization of losses previously held as available-for-sale	30,000	30,000	12,000
Net unrealized gain/(loss) on investment securities	(14,897,000)	5,864,000	12,605,000
Deferred tax expense (benefit)
Change in net unrealized gain/(loss) during the period	(4,517,000)	2,169,000	4,969,000
Reclassification adjustments for gains included in income	(661,000)	(232,000)	(265,000)
Reclassification adjustment for called security	(47,000)	104,000	(296,000)
Reclassification adjustments tax rate adjustment			(27,000)
Amortization of losses previously held as available-for-sale	11,000	11,000	4,000
Income tax expense related to items of other comprehensive income	(5,214,000)	2,052,000	4,385,000
Other comprehensive income(loss), after tax and net of reclassifications into net income	(9,683,000)	3,812,000	8,220,000
Comprehensive income	$ 15,427,000	$ 20,436,000	$ 17,138,000