Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Amounts Reclassified Out Of Accumulated Other Comprehensive Income Loss [Abstract]
NET INCOME	$ 4,703	$ 4,563	$ 11,951	$ 13,246
Net change in fair value of interest rate swap agreements designated as cash flow hedges:
Unrealized gain (loss) on interest rate swaps, net of tax of $31 and $58 for the three months ended September 30, 2013 and 2012, and ($69) and $164 for the nine months ended September 30, 2013 and 2012	(58)	(108)	129	(305)
Reclassification adjustment for losses recognized in earnings, net of tax of ($36) and ($34) for the three months ended September 30, 2013 and 2012, and ($106) and ($101) for the nine months ended September 30, 2013 and 2012	66	64	198	189
Other comprehensive loss, net of tax	8	(44)	327	(116)
Unrealized gains (losses) on other-than-temporarily impaired securities available for sale:
Unrealized gains arising during the period, net of tax of ($51) for the three months ended September 30, 2013, and ($62) and ($7) for the nine months ended September 30, 2013 and 2012	95	0	114	13
Unrealized gains (losses) on other securities available for sale:
Unrealized gains (losses) arising during the period, net of tax of $1,676 and ($611) for the three months ended September 30, 2013 and 2012, and $11,302 and ($2,419) for the nine months ended September 30, 2013 and 2012	(3,113)	1,134	(20,990)	4,493
Reclassification adjustment for realized gains included in net income, net of tax of $36 for the three months ended September 30, 2012, and $115 and $490 for the nine months ended September 30, 2013 and 2012	0	(67)	(213)	(910)
Unrealized losses on other securities available for sale net of reclassification adjustment for realized gains included in net income	(3,113)	1,067	(21,203)	3,583
Other comprehensive income (loss)	(3,010)	1,023	(20,762)	3,480
COMPREHENSIVE INCOME (LOSS)	$ 1,693	$ 5,586	$ (8,811)	$ 16,726