Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

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

	Three months ended June 30, 2019
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	22,361	81,968	$	0.27
Effect of restricted stock	—		59
Diluted EPS	$	22,361	82,027	$	0.27

	Three months ended June 30, 2018
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	17,803	82,330	$	0.22
Effect of restricted stock	—		38
Diluted EPS	$	17,803	82,368	$	0.22

	Six months ended June 30, 2019
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	39,679	81,952	$	0.48
Effect of restricted stock	—		39
Diluted EPS	$	39,679	81,991	$	0.48

	Six months ended June 30, 2018
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	31,182	82,817	$	0.38
Effect of restricted stock	—		38
Diluted EPS	$	31,182	82,855	$	0.38