Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

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

Summary of Restricted Stock Activity

Following is a summary of the activity of the restricted stock:

	Three Months Ended
	March 31, 2018
	Shares		Fair Value
Balance at December 31, 2017	78,166		$	50.30
Granted	19,556		$	58.39
Vested	(21,662	)	$	45.63
Balance at March 31, 2018	76,060		$	53.71

Summary of SARs Activity

Following is a summary of the activity of the Company’s SARs program for the three-month period ended March 31, 2018:

			Weighted-		Average	Aggregate
			Average		Remaining	Intrinsic
			Exercise		Contractual	Value
	Shares		Price		Term Years	(In thousands)
Balance at December 31, 2017	234,236		$	34.97	5.03	$	7,291
Exercised	(2,484	)		20.61
Exercisable at March 31, 2018	231,752		$	35.13	4.06	$	5,651