INCOME TAXES (Schedule of Income Tax Expense Included in Consolidated Financial Statements) (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Federal:
Current expense/(benefit)													$ 13,035	$ 10,251	$ 2,811
Deferred (benefit)/expense													(3,210)	(2,626)	1,299
State:
Current expense/(benefit)													3,176	625	21
Deferred expense													(833)	1,146	1,371
Total income tax expense	$ 2,256	$ 3,434	$ 3,139	$ 3,339	$ 2,599	$ 2,393	$ 2,533	$ 1,871	$ 1,135	$ 1,276	$ 1,096	$ 1,995	$ 12,168	$ 9,396	$ 5,502