STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Restricted Stock Activity

Restricted Stock Activity:	Years Ended December 31,
	2015				2014				2013
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Unvested at beginning of year	265,911		$	49.79	293,989		$	47.17	212,206		$	42.84
Granted	100,622		61.07		71,642		61.96		112,099		56.77
Forfeited	—		—		(2,375	)	52.72		—		—
Vested	(105,835	)	53.40		(97,345	)	50.76		(30,316	)	52.32
Unvested at end of year	260,698		52.68		265,911		49.79		293,989		47.17

Restricted Stock Non-vested Awards By Expected Vesting Period

Following is a vesting schedule of the total unvested shares as of December 31, 2015:

Unvested Shares Vesting Schedule	Number of Shares
2016	139,333
2017	41,138
2018	31,215
2019	24,507
2020	24,505
Total Unvested Shares	260,698

Stock Option Activity (Directors)

Following is a summary of the total director stock options exercised with related weighted average exercise share prices for 2015, 2014 and 2013. 

Stock Option Activity:	Years Ended December 31,
	2015			2014			2013
	Shares	Weighted Average Exercise Price		Shares	Weighted Average Exercise Price		Shares		Weighted Average Exercise Price
Outstanding at beginning of year	—	$	—	—	$	—	4,500		$	26.60
Exercised	—	—		—	—		(4,500	)	26.60
Outstanding at end of year	—	—		—	—		—		—
Exercisable at end of year	—	$	—	—	$	—	—		$	—