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INCOME TAXES ( Summary of Income Tax Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current federal									$ 17,181	$ 15,181	$ 15,845
Deferred federal									183	1,175	(1,863)
Current state									1,387	877	1,413
Deferred state									808	(51)	(677)
Total income tax expense	$ 5,060	$ 4,746	$ 5,154	$ 4,599	$ 3,808	$ 4,740	$ 4,392	$ 4,242	$ 19,559	$ 17,182	$ 14,718

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.