STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2018

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 three months of 2018, the Company withheld 23,824 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 three months of 2018 was $5,142,000.

	Three Months Ended
Award Activity:	March 31, 2018
	Shares		Weighted Average Grant Date Fair Value
Unvested at beginning of period	152,926		$	63.22
Granted (1)	29,908		76.56
Forfeited	—		—
Vested	(59,547	)	63.77
Unvested at end of period	123,287		$	66.20

(1) Includes shares granted in prior years for which performance conditions have been satisfied and the number of shares have been

determined.