STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2016

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

Summary of total shares granted, forfeited and delivered

Following is a summary of the total restricted shares granted, forfeited and delivered (vested) to participants with the related weighted average grant date fair value share prices.  Of the shares that vested in the first six months of 2016, the Company withheld 57,316 shares to satisfy the tax obligations for those participants who elected this option as permitted under the applicable equity plan.  As of the vesting dates, the aggregate fair value of shares that vested during the first six months of 2016 was $10,013,000.

	Three Months Ended				Six Months Ended
Award Activity:	June 30, 2016				June 30, 2016
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Unvested at beginning of period	170,326		$	51.17	260,906		$	52.69
Granted	—		—		65,279		56.05
Forfeited	—		—		(910	)	52.89
Vested	(23,281	)	58.27		(178,230	)	56.09
Unvested at end of period	147,045		$	50.05	147,045		$	50.05