Stockholders' Equity

6 Months Ended

Jun. 30, 2019

The following table provides details with respect to the changes to the number of shares of common stock, $0.01 par value, outstanding during the first six months of 2019:



Shares of common stock outstanding – December 31, 2018	59,969,695
Restricted stock awards, net of forfeitures	767,864
Shares withheld for taxes on vesting of restricted stock awards and transferred to treasury	(204,505	)
Purchase of treasury stock	(50,800	)
Shares of common stock outstanding – June 30, 2019	60,482,254

As of June 30, 2019 and December 31, 2018, the Company had 25,000,000 shares of preferred stock, $0.01 par value, authorized, with no shares issued or outstanding.

On July 29, 2015, the Company's Board of Directors approved a share repurchase program providing for the repurchase of up to $150.0 million of the Company's common stock, which, following extensions, was scheduled to expire on July 29, 2019. On July 24, 2019, our Board of Directors extended the share repurchase program for one year to July 29, 2020. During the first six months of 2019, the Company repurchased approximately 51 thousand shares of common stock under the program. The amount remaining under the Company's share repurchase authorization as of June 30, 2019 was $119.8 million. Subject to applicable securities laws, such purchases will be at such times and in such amounts as the Company deems appropriate.