Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three months ended September 30, 2018
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	19,056	81,965	$	0.23
Effect of restricted stock	—		27
Diluted EPS	$	19,056	81,992	$	0.23

	Three months ended September 30, 2017
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	7,916	83,303	$	0.10
Effect of restricted stock	—		30
Diluted EPS	$	7,916	83,333	$	0.09

	Nine months ended September 30, 2018
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	50,237	82,530	$	0.61
Effect of restricted stock	—		34
Diluted EPS	$	50,237	82,564	$	0.61

	Nine months ended September 30, 2017
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	36,568	83,296	$	0.44
Effect of restricted stock	—		40
Diluted EPS	$	36,568	83,336	$	0.44