STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 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 six 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 six months of 2018 was $5,142,000.

	Three Months Ended			Six Months Ended
Award Activity:	June 30, 2018			June 30, 2018
	Shares	Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Unvested at beginning of period	123,287	$	66.20	152,926		$	63.22
Granted (1) (2)	20,309	95.18		50,217		84.09
Forfeited	—	—		—		—
Vested	—	—		(59,547	)	63.77
Unvested at end of period	143,596	$	70.30	143,596		$	70.30

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

determined.

(2) Does not include the restricted shares that may be earned if the performance goals established in 2017 for long-term performance

    and in 2018 for annual and long-term performance are achieved. Depending on the actual level of achievement of the goals at the

end of the open performance periods, the number of shares earned could range from zero to 86,836.