SHARE-BASED COMPENSATION - Summary of Stock Options and SARs (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance, beginning of period, shares	70,734
Exercised, shares	(40,891)
Expired, shares	0
Balance, end of period, shares	29,843
Balance, beginning of period, weighted average exercise price	$ 22.60
Exercised, weighted average exercise price	$ 21.42
Expired, weighted average exercise price	$ 0.00
Balance, end of period, weighted average exercise price	$ 24.22
Outstanding - Weighted Average Remaining Contractual Life (In years)	1 year 4 months 24 days
Exercisable - Weighted Average Remaining Contractual Life (In years)	1 year 4 months 24 days
Aggregate Intrinsic Value	$ 393
Unamortized Compensation Expense	0
Granted, shares	0
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance, beginning of period, shares	145,806
Exercised, shares	(19,500)
Expired, shares	0
Balance, end of period, shares	126,306
Balance, beginning of period, weighted average exercise price	$ 21.97
Exercised, weighted average exercise price	$ 21.40
Expired, weighted average exercise price	$ 0.00
Balance, end of period, weighted average exercise price	$ 22.06
Outstanding - Weighted Average Remaining Contractual Life (In years)	3 years 6 months
Exercisable - Weighted Average Remaining Contractual Life (In years)	3 years 6 months
Aggregate Intrinsic Value	1,939
Unamortized Compensation Expense	$ 0
Granted, shares	0