STOCK BASED COMPENSATION PLANS (Details 3) - Restricted stock $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) $ / shares shares	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) Vesting_Year $ / shares shares	Jun. 30, 2014 USD ($) Vesting_Year shares
Stock based compensation plans
Compensation expense for restricted stock | $	$ 302,000	$ 263,000	$ 604,000	$ 514,000
Shares
Unvested, January 1, 2015 (in shares)			248,444
Granted (in shares)			64,987	74,823
Vested (in shares)			(32,044)
Forfeited (in shares)			(2,019)
Unvested, June 30, 2015 (in shares)	279,368		279,368
Weighted Average Grant-Date Fair Value
Unvested, January 1, 2015 (in dollars per share) | $ / shares			$ 22.48
Granted (in dollars per share) | $ / shares			26.03
Vested (in dollars per share) | $ / shares			21.72
Forfeited (in dollars per share) | $ / shares			25.12
Unvested, June 30, 2015 (in dollars per share) | $ / shares	$ 23.23		$ 23.23
Five year specified vesting schedule
Additional disclosure
Numbers of shares expected to vest			24,812	17,898
Vesting period			5 years	5 years
Percentage of award vesting one third after year three, one third after year four, and one third vesting after year five	33.00%	33.00%	33.00%	33.00%
Year in vesting schedule in which one-third of the awards vest, period one | Vesting_Year			3	3
Year in vesting schedule in which one-third of the awards vest, period two | Vesting_Year			4	4
Year in vesting schedule in which one-third of the awards vest, period three | Vesting_Year			5	5
Seven year specified vesting schedule
Additional disclosure
Numbers of shares expected to vest			30,625	53,425
Vesting period			7 years	7 years
Percentage of award vesting one third after year five, one third after year six, and one third vesting after year seven	33.00%	33.00%	33.00%	33.00%
Year in vesting schedule in which one-third of the awards vest, period one | Vesting_Year			5	5
Year in vesting schedule in which one-third of the awards vest, period two | Vesting_Year			6	6
Year in vesting schedule in which one-third of the awards vest, period three | Vesting_Year			7	7
Five year ratable vesting
Additional disclosure
Remaining number of shares			9,550
Vesting period of remaining number of shares			5 years
Two year ratable vesting
Additional disclosure
Numbers of shares expected to vest				3,500
Vesting period				2 years