EMPLOYEE BENEFIT PLANS, SHARE-BASED PAYMENT AWARDS (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Options Outstanding [Roll Forward]
Option exercised (in shares)	16,960		833,334		455,051
Options Outstanding, Weighted Average Exercise Price [Roll Forward]
Income tax benefit recognized	$ 41		$ 104		$ 70
Weighted average remaining years for which compensation expense is to be recognized	1 year 2 months 12 days		1 year 2 months 12 days		1 year 3 months 18 days
Summary of Restricted Stock Awards [Roll Forward]
Unvested allocated shares - beginning of period (in shares)	318,314		328,003		324,454
Shares granted (in shares)	121,333		145,925		141,289
Shares vested (in shares)	141,361		155,614		135,369
Shares forfeited (in shares)	8,626		0		2,371
Unvested allocated shares - end of period (in shares)	289,660		318,314		328,003
Unallocated shares - end of period (in shares)	0		0		0
Compensation expense recognized	1,976		2,011		1,842
Income tax benefit recognized	41		104		70
Fair value of shares vested during the period	2,266		1,944		1,834
Weighted average remaining years for which compensation expense is to be recognized	1 year 2 months 12 days		1 year 2 months 12 days		1 year 3 months 18 days
Stock Options [Member]
Options Outstanding [Roll Forward]
Options outstanding - beginning of period (in shares)	1,615,771	[1]	2,456,137	[1]	2,893,760	[1]
Options granted	0		0		24,440
Option exercised (in shares)	16,960		833,334		455,051
Options that expired prior to being exercised	618,895		7,032		7,012
Options outstanding - end of period (in shares)	979,916	[1]	1,615,771	[1]	2,456,137	[1]
Options Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price of grants ( in dollars per share)	$ 0		$ 0		$ 13.86
Weighted average exercise price of exercised options (in dollars per share)	$ 16.45		$ 13.47		$ 12.32
Weighted average exercise price of forfeited options in (dollars per share)	$ 19.90		$ 16.93		$ 19.90
Weighted average exercise price of outstanding options - end of period (in dollars per share)	$ 14.74		$ 16.74		$ 15.63
Remaining options available for grant (in shares)	925,626		1,043,074		249,230
Vested options at end of period ( in shares)	960,641		1,563,493		2,317,799
Weighted average exercise price of vested options - end of period (in dollars per share)	$ 14.73		$ 16.80		$ 15.78
Cash received for option exercise cost	278		11,228		5,608
Income tax benefit recognized	30		531		319
Compensation expense recognized	110		194		309
Remaining unrecognized compensation expense	31		141		335
Weighted average remaining years for which compensation expense is to be recognized	0 years 3 months 18 days		1 year 2 months 12 days		1 year 9 months 18 days
Intrinsic value of options exercised during the period	6		2,569		871
Weighted average fair value per option at the date of grant for stock options granted [Abstract]
Estimated fair value on date of grant (in dollars per share)	$ 0		$ 0		$ 4.09
Pricing methodology utilized	0		0		Black- Scholes
Expected life	0 years		0 years		6 years 6 months 11 days
Interest rate (in hundredths)	0.00%		0.00%		1.21%
Volatility (in hundredths)	0.00%		0.00%		45.17%
Dividend yield (in hundredths)	0.00%		0.00%		4.04%
Intrinsic value of outstanding options at period end	1,690		2,243		722
Intrinsic value of vested options at period end	1,674		2,129		531
Summary of Restricted Stock Awards [Roll Forward]
Income tax benefit recognized	30		531		319
Weighted average remaining years for which compensation expense is to be recognized	0 years 3 months 18 days		1 year 2 months 12 days		1 year 9 months 18 days
Restricted Stock [Member] | Outside Directors [Member]
Restricted Stock Awards [Abstract]
Award vesting period	1 year
Restricted Stock [Member] | Certain Officers [Member]
Restricted Stock Awards [Abstract]
Award vesting period	4 years
Long Term Cash Incentive Payment Plan [Member]
Long Term Cash Incentive Payment Plan [Abstract]
Percentage of threshold target for each award eligible to be earned based on relative performance (in hundredths)	50.00%
Percentage of target for each award eligible to be earned based on relative performance (in hundredths)	100.00%
Percentage of maximum target for each award eligible to be earned based on relative performance (in hundredths)	150.00%
Measurement period goals related to Long Term Cash Incentive Payment Plan award payment	3 years
Liability for expected future cash -based long-term incentive payments	1,596
Compensation expense recognized	$ 467		$ 639		$ 717

[1] At December 31, 2014, 2013 and 2012, respectively, expected forfeitures were immaterial.