Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

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:

	Six Months Ended
	June 30, 2016
	Shares		Fair Value
Balance at December 31, 2015	69,041		$	51.33
Granted	34,925		$	49.95
Vested	(29,268	)	$	50.93
Balance at June 30, 2016	74,698		$	50.59

Summary of SARs Activity

Following is a summary of the activity of the Company’s SARs program for the six-month period ended June 30, 2016:

			Weighted-		Average	Aggregate
			Average		Remaining	Intrinsic
			Exercise		Contractual	Value
	Shares		Price		Term Years	(In thousands)
Outstanding at December 31, 2015	307,323		$	36.57	5.99	$	4,577
Exercised	(5,803	)	$	31.96
Outstanding at June 30, 2016	301,520		$	36.66	5.49		4,536
Exercisable at June 30, 2016	289,356		$	35.61	5.40	$	4,657

Summary of Non-vested SARs Activity

Following is a summary of the activity of the non-vested SARs during the six-month period ended June 30, 2016:

			Weighted-Average
	Shares		Grant Date Fair Value
Non-vested at December 31, 2015	52,507		$	51.17
Vested	(40,343	)	$	48.02
Non-vested at June 30, 2016	12,164		$	61.64