Equity Plans (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [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 and proceeds from the exercise of any restricted stock and similar instruments that are recorded to additional paid-in capital and common stock, by award type, are presented below for the three and six months ended June 30, 2020, and 2019.

	Three months ended June 30,			Six months ended June 30,
	2020		2019	2020		2019
Adjustments to additional paid-in capital and common stock for:
Compensation costs charged to income:
ESPP	$	—	—	$	171	143
Restricted stock and deferred restricted stock	1,009		718	1,089		1,461
Total compensation costs charged to income	$	1,009	718	$	1,260	1,604
ESPP proceeds	$	—	—	$	970	811