Shareholders' Equity

6 Months Ended

Jun. 30, 2018

Stockholders' Equity Note [Abstract]

Shareholders’ Equity

Share count and par value data related to shareholders’ equity are as follows:



	As of
	June 30,	December 31,
	2018	2017
Preferred Stock
Par value per share	No par value	No par value
Shares authorized	25,000,000	25,000,000
Shares outstanding	—	—
Common Stock
Par value per share	No par value	No par value
Shares authorized	75,000,000	75,000,000
Shares issued	56,781,065	56,632,488
Shares outstanding	33,087,043	32,938,466
Treasury stock
Shares held	23,694,022	23,694,022

No common stock repurchases were made during the six months ended June 30, 2018. Through June 30, 2018, we had purchased an aggregate of $7,446 under a board-authorized share repurchase plan allowing for up to $25,000 in stock repurchases. Approximately $17,554 is available for future purchases.

A roll-forward of common shares outstanding is as follows:



	Six Months Ended
	June 30,	June 30,
	2018	2017
Balance at the beginning of the year	32,938,466	32,762,494
Repurchases	—	—
Shares issued upon exercise of stock options	—	—
Restricted share issuances	148,577	170,832
Balance at the end of the period	33,087,043	32,933,326

Certain potentially dilutive restricted stock units are excluded from diluted earning per share because they are anti-dilutive. The number of awards that were anti-dilutive at June 30, 2018 and June 30, 2017 were 72,658 and 122,511, respectively.