Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

Share-Based Compensation [Abstract]

Stock Option Plan Activity

Stock option activity for the six months ended June 30, 2017 is summarized below:

	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)		Aggregate Intrinsic Value (in thousands)
Options outstanding, January 1, 2017		60,605		$	20.05
Granted		0			0
Exercised		(24,806	)		20.05
Canceled or expired		0			0
Options outstanding, June 30, 2017		35,799		$	20.05		0.29		$	459
Options exercisable, June 30, 2017		35,799		$	20.05		0.29		$	459