Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 5,565	$ 5,166
Net change in fair value of interest rate swap agreements designated as cash flow hedges:
Unrealized gain on interest rate swaps, net of tax of $43 and $21, respectively	(81)	(39)
Reclassification adjustment for losses recognized in earnings, net of tax of ($34) and ($34), respectively	62	63
Net change in fair value of interest rate swap agreements designated as cash flow hedges	(19)	24
Unrealized gains on other-than-temporarily impaired securities available for sale:
Unrealized gains arising during the period, net of tax of $0 and ($48), respectively	0	89
Unrealized gains on other securities available for sale:
Unrealized gains arising during the period, net of tax of ($2,650) and ($2,306), respectively	4,920	4,283
Reclassification adjustment for realized gains included in net income, net of tax of $7 and $23, respectively	(12)	(43)
Unrealized losses on other securities available for sale net of reclassification adjustment for realized gains included in net income	4,908	4,240
Other comprehensive income	4,889	4,353
COMPREHENSIVE INCOME	$ 10,454	$ 9,519