BENEFIT PLANS (Nonvested Stock Options and Nonvested Restricted Units) (Details) - Restricted Stock Units (RSUs) [Member]	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding, beginning of year (in shares) | shares	829,078
Granted (in shares) | shares	460,307
Vested and issued (in shares) | shares	(218,263)
Forfeited (in shares) | shares	(17,249)
Outstanding, end of year (in shares) | shares	1,053,873
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Outstanding, beginning of year (in dollars per share) | $ / shares	$ 8.60
Granted (in dollars per share) | $ / shares	8.83
Vested and issued (in dollars per share) | $ / shares	(7.93)
Forfeited (in dollars per share) | $ / shares	(8.33)
Outstanding, end of year (in dollars per share) | $ / shares	$ 8.84