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Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2018

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

Schedule of Option Pricing Assumptions and Estimated Fair Value

The following table presents the option pricing assumptions and the estimated fair value of the options using these assumptions for grants made for the year ended:

	December 31,
	2018				2017		2016
Weighted-average dividend yield	2.36		%		N/A		3.12		%
Weighted-average risk-free interest rate	2.38		%		N/A		1.52		%
Weighted-average expected volatility	22.80		%		N/A		29.64		%
Weighted-average expected life (in years)	5.3				N/A		5.3
Weighted-average fair value of options granted	$	7.78			N/A		$	5.17

Schedule of Stock Option Activity

Stock option activity for the year ended December 31, 2018 was as follows:

		Number of Options			Weighted-Average Exercise Price per Option				Weighted-Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Options outstanding at January 1, 2018		43,077			$	21.00
Granted		1,000			42.44
Exercised		(15,975	)		19.64
Forfeited		(750	)		22.40
Expired		—			—
Options outstanding at December 31, 2018		27,352			$	22.53			3.4		$	374
Options exercisable at December 31, 2018		24,252			$	21.44			2.9		$	352

A summary of the status of the Company’s nonvested stock options as of December 31, 2018 and changes during the year then ended was as follows:

	Options			Weighted-Average Grant Date Fair Value per Option
Nonvested at January 1, 2018	3,450			$	6.11
Granted	1,000			7.78
Vested	(1,350	)		6.85
Forfeited	—			—
Nonvested at December 31, 2018	3,100			$	6.32

Schedule of Compensation Expense

Compensation expense and the related tax benefit recognized in connection with the DCRP was as follows for the periods presented:

	For The Year Ended December 31,
	2018				2017				2016
Compensation expense	$	106			$	97			$	81
Related income tax benefit	23				21				28
Fair value of grants vested	105				90				75

Compensation expense and the related tax benefit for the LTIP's performance-based awards was as follows for the periods indicated:

	For The Year Ended December 31,
	2018				2017				2016
Compensation expense	$	291			$	370			$	1,080
Related income tax benefit	63				80				378
Fair value of grants vested	284				843				725

Compensation expense and the related income tax benefit recognized in connection with the restricted stock units was as follows for the periods indicated:

	For The Year Ended December 31,
	2018				2017				2016
Compensation expense	$	263			$	124			$	—
Income tax benefit	57				27				—
Fair value of grants vested	149				—				—

Compensation expense and the related income tax benefit recognized in connection with the MSPP awards was as follows for the periods indicated:

	For The Year Ended December 31,
	2018				2017				2016
Compensation expense	$	104			$	97			$	102
Income tax benefit	22				21				36
Fair value of grants vested	130				91				57

Compensation expense and the related income tax benefit recognized in connection with the restricted stock awards was as follows for the periods indicated:

	For The Year Ended December 31,
	2018				2017				2016
Compensation expense	$	916			$	762			$	703
Income tax benefit	197				164				246
Fair value of grants vested	931				702				603

Summary of Nonvested Share Awards Activity

LTIP performance-based award activity for the year ended December 31, 2018 was as follows:

		Number of Shares			Weighted-Average Grant Date Fair Value per Share				Weighted-Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value				Unrecognized Compensation
Nonvested at January 1, 2018		31,623			$	35.60
Granted		14,886			44.56
Vested		(9,844	)		28.87
Forfeited		(10,288	)		32.75
Nonvested at December 31, 2018		26,377			$	44.28			1.7		$	949			$	314

MSPP award activity for the year ended December 31, 2018 was as follows:

		Number of Shares			Weighted-Average Grant Date Fair Value per Share				Weighted-Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value				Unrecognized Compensation
Nonvested at January 1, 2018		20,219			$	9.77
Granted		9,372			14.85
Vested		(15,207	)		8.56
Forfeited		(1,371	)		14.34
Nonvested at December 31, 2018		13,013			$	14.35			0.8		$	84			$	71

DCRP award activity for the year ended December 31, 2018 was as follows:

		Number of Deferred Stock Awards			Weighted-Average Grant Date Fair Value per Award				Weighted-Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value				Unrecognized Compensation
Nonvested at January 1, 2018		10,048			$	25.52
Granted		3,434			45.23
Vested		(2,899	)		36.46
Forfeited		(613	)		41.56
Nonvested at December 31, 2018		9,970			$	28.16			10.9		$	359			$	251

Restricted stock award activity for the year ended December 31, 2018 is as follows:

		Number of Shares			Weighted-Average Grant Date Fair Value per Share				Weighted-Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value				Unrecognized Compensation
Nonvested at January 1, 2018		36,325			$	32.56
Granted		17,033			44.19
Vested		(26,527	)		35.11
Forfeited		(4,050	)		32.96
Nonvested at December 31, 2018		22,781			$	38.21			1.8		$	819			$	531

Restricted stock unit activity for the year ended December 31, 2018 was as follows:

		Number of Units			Weighted-Average Grant Date Fair Value per Unit				Weighted-Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value				Unrecognized Compensation
Nonvested at January 1, 2018		17,477			$	43.04
Granted		19,695			45.06
Vested		(3,455	)		43.04
Forfeited		(3,492	)		44.13
Nonvested at December 31, 2018		30,225			$	44.23			3.7		$	1,087			$	1,090

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Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure of the changes in outstanding nonvested shares.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Publisher FASB
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Paragraph 2
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