Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]

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

The following tables set forth the computation of basic and diluted earnings per share.

	Three Months Ended
	March 31, 2019			March 31, 2018
	(In thousands, except per share amounts)
Basic and diluted earnings per share:
Numerator:
Net income (loss)	$	(3,802	)	37
Net income (loss) allocated to Class A common stock	$	(3,764	)	37
Net income (loss) allocated to Class B common stock	(38		)	—
Net income (loss)	$	(3,802	)	37
Denominator:
Weighted average shares of Class A outstanding - basic	49,229			49,080
Weighted average shares of Class A outstanding - diluted	49,267			49,080
Weighted average shares of Class B outstanding - basic and diluted	1,002			1,002
Basic and diluted earnings (loss) per share of Class A common stock	$	(0.08	)	—
Basic and diluted earnings (loss) per share of Class B common stock	(0.04		)	—