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Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2018

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

Roll-Forward of Outstanding Restricted Stock Grants Issued

The following table represents a roll-forward of outstanding Restricted Stock and related activity during the three months ended March 31, 2018:

	Shares			Weighted-Average Grant Date Price per Share
Outstanding Restricted Stock as of December 31, 2017	197,900			$	165.60
Grants issued	32,050			210.77
Grants vested	(5,750	)		67.86
Grants forfeited	(3,500	)		172.40
Total Outstanding Restricted Stock as of March 31, 2018	220,700			$	174.60

Expense Recognition of Deferred Compensation

The recognition of compensation expense related to deferred compensation over the remaining vesting periods is as follows:

Nine Months   Remaining In
2018				2019				2020				2021				2022				Thereafter				Total
$	5,473,910			$	6,624,716			$	4,976,188			$	3,570,860			$	2,559,799			$	702,275			$	23,907,748

Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value

The following table represents common shares issued as part of our incentive compensation program during the three months ended March 31, 2018 and 2017:

	Shares Issued			Grant Date Value
March 31, 2018	20,153			$	4,109,197
March 31, 2017	19,219			3,892,424

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Tabular disclosure of the total intrinsic value of options exercised (or share units converted), share-based liabilities paid, and the total fair value of shares vested during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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