Equity Plans (Tables)

3 Months Ended

Mar. 31, 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 months ended March 31, 2014 and 2013.



	Three months ended March 31,
	2014		2013
Compensation costs charged to income:
ESPP	$	72	58
Restricted stock and deferred restricted stock	172		289
Total compensation costs charged to income	$	244	347
Excess tax benefits realized from share options exercised and stock issuance:
Stock options	$	59	—
Restricted stock and deferred restricted stock	—		30
Total excess tax benefits realized from share options exercised and stock issuance	$	59	30
Proceeds from the exercise of stock options and similar instruments:
Stock options	$	44	—
DRSPP	26		17
ESPP	406		328
Total proceeds from the exercise of stock options and similar instruments	$	476	345