INCOME TAXES (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 income tax									$ 2,988	$ 3,514	$ 1,267
State income tax									480	759	629
Total									3,468	4,273	1,896
Deferred:
Federal income tax									(3,001)	(6,221)	4,709
State income tax										(1,519)	1,406
Total									(3,001)	(7,740)	6,115
Total income tax (benefit) expense	$ 33	$ 18	$ (42)	$ 458	$ 81	$ 317	$ 203	$ (4,068)	$ 467	$ (3,467)	$ 8,011
Combined federal and state income tax rate (as a percent)									41.50%	39.55%	41.02%