Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Status of Nonvested Restricted Stock Awards and Units

A summary of the status of nonvested restricted stock under the EIP as of year-end 2017 and changes during this period is presented as follows below (in thousands of shares except per share data):

	Restricted Stock		Weighted Average Grant Date Fair Value
Nonvested at year-end 2016	653		$	16.58
Granted	209		21.97
Vested	(242	)	16.93
Forfeited	(180	)	17.04
Nonvested at year-end 2017	440		$	18.76

Summary of Status of Nonvested Performance Share Awards

A summary of the status of all nonvested performance shares at target for 2017 is presented as follows below (in thousands of shares except per share data). Forfeitures primarily relate to the retirement of the Company’s former President and Chief Executive Officer in the second quarter of 2017.

	Financial Measure Performance Shares				TSR Performance Shares
	Shares		Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Nonvested at year-end 2016	499		$	19.17	208		$	17.49
Granted	286		21.32		101		20.16
Vested	—		—		—		—
Forfeited	(193	)	20.51		(69	)	19.04
Nonvested at year-end 2017	592		$	22.32	240		$	18.17