Stock Purchase and Option Plans (Tables)

12 Months Ended

Dec. 31, 2015

Stock Purchase and Option Plans [Abstract]

Summary of stock issuances

The table below provides detail of the stock issuances for 2015, 2014 and 2013:

Effective	Number of Shares		Vesting		Value
Date	Issued		Date	Period	Per Share
5/7/2013		18,106	5/7/2014	7/1/2013 - 6/30/2014	$	24.30
5/8/2014		17,237	5/8/2015	7/1/2014 - 6/30/2015	$	25.53
5/12/2015		21,252	5/12/2016	7/1/2015 - 6/30/2016	$	22.59