STOCK-BASED COMPENSATION (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Weighted average assumptions [Abstract]
Dividend yield (in hundredths)	1.61%	0.83%
Expected volatility (in hundredths)	15.85%	17.24%
Risk-free interest rate (in hundredths)	0.56%	0.67%
Fair value of options granted during the period (in dollars per share)	$ 3.90	$ 3.13
Expected lives in years	5 years	5 years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of stock benefit plans	P7Y
Total unrecognized compensation cost, net of estimated forfeitures, related to non-vested awards	$ 541,000
Period for recognition of unrecognized compensation	20 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, beginning of period (in shares)	254,144
Options granted (in shares)	71,500
Options exercised (in shares)	0	0
Options forfeited (in shares)	0
Options expired (in shares)	0
Options outstanding, end of period (in shares)	325,644		254,144
Options exercisable (in shares)	149,894
Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price per share, beginning of period (in dollars per share)	$ 23.71
Options granted, weighted average exercise price per share (in dollars per share)	$ 30.03
Options exercised, weighted average exercise price per share (in dollars per share)	$ 0
Options forfeited, weighted average exercise price per share (in dollars per share)	$ 0
Options expired, weighted average exercise price per share (in dollars per share)	$ 0
Weighted average exercise price per share, end of period (in dollars per share)	$ 25.10		$ 23.71
Options exercisable, weighted average exercise price per share, end of period (in dollars per share)	$ 23.26
Weighted average remaining contractual term [Abstract]
Options outstanding, weighted average remaining contractual term, beginning of period	3 years 0 months 22 days		2 years 9 months 22 days
Options granted, weighted average remaining contractual term	5 years
Options outstanding, weighted average remaining contractual term, end of period	3 years 0 months 22 days		2 years 9 months 22 days
Options exercisable, weighted average remaining contractual term, end of period	2 years 4 months 13 days
Aggregate intrinsic value of [Abstract]
Options outstanding, beginning of period	1,562,000		1,132,000
Options outstanding, end of period	1,562,000		1,132,000
Options exercisable	988,000
Stock-based compensation expense [Abstract]
Total stock-based compensation expense	198,000	166,000
Dividends paid to ESOP	17,000	8,000
Tax benefit arising from stock option compensation expense	24,000	18,000
Directors fees [Member]
Stock-based compensation expense [Abstract]
Total stock-based compensation expense	28,000	34,000
Stock option expense [Member]
Stock-based compensation expense [Abstract]
Total stock-based compensation expense	89,000	59,000
Employee Stock Ownership Plan ("ESOP") expense [Member]
Stock-based compensation expense [Abstract]
Total stock-based compensation expense	$ 81,000	$ 73,000
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	2 years
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years