Equity Plans (Tables)

9 Months Ended

Sep. 30, 2014

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

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

A summary of compensation costs charged to income, proceeds from the exercise of stock options and similar instruments, and the tax benefit realized from stock options and similar instruments exercised, that were recorded to additional paid-in capital and common stock, by award type, are presented below for the three and nine months ended September 30, 2014 and 2013.



	Three months ended September 30,					Nine months ended September 30,
	2014			2013		2014		2013
Adjustments to additional paid-in capital and common stock for:
Compensation costs charged to income:
ESPP	$	76		70		$	148	128
Restricted stock and deferred restricted stock	247			127		626		658
Total compensation costs charged to income	$	323		197		$	774	786
Excess tax benefits realized from share options exercised and stock issuance:
Stock options	$	—		27		$	59	27
Restricted stock and deferred restricted stock	(3		)	(95	)	247		—
Total excess tax benefits realized from share options exercised and stock issuance	$	(3	)	(68	)	$	306	27
Proceeds from the exercise of stock options and similar instruments:
Stock options	$	—		96		$	44	96
DRSPP	—			21		34		59
ESPP	433			395		839		723
Total proceeds from the exercise of stock options and similar instruments	$	433		512		$	917	878