Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2019

Share-based Payment Arrangement [Abstract]

Summary of Restricted Stock Activity

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

	Six Months Ended
	June 30, 2019
	Shares	Fair Value
Balance at December 31, 2018	99,724	$	45.48
Granted	35,002		49.02
Vested	(13,264)		39.76
Balance at June 30, 2019	121,462	$	47.13

Summary of SARs Activity

		Weighted-		Average	Aggregate
		Average		Remaining	Intrinsic
		Exercise		Contractual	Value
	Shares	Price		Term Years	(In thousands)
Outstanding at December 31, 2018	237,121	$	29.86	3.50	$	5,468
Exercised	(11,335)		21.95	—		—
Exercisable at June 30, 2019	225,786	$	30.26	3.08	$	4,114