Stockholders' Equity and Restrictions Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Stock by Class [Table Text Block]

A summary of the change in number of shares of Class A and Class B common stock and treasury stock issued is as follows:

(In thousands)	Common Stock		Treasury
	Class A	Class B	Stock
Balance at December 31, 2016	52,216	1,002	(3,136	)
Change	—	—	—
Balance at December 31, 2017	52,216	1,002	(3,136	)
Change	—	—	—
Balance at December 31, 2018	52,216	1,002	(3,136	)
Change	149	—	—
Balance at December 31, 2019	52,365	1,002	(3,136	)

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

The following table sets forth the computation of basic and diluted earnings per share.

Years ended December 31, (In thousands, except per share amounts)	2019			2018		2017
Basic and diluted earnings per share:
Numerator:
Net loss	$	(1,370	)	(11,062	)	(38,127	)
Net loss allocated to Class A common stock	$	(1,356	)	(10,950	)	(37,742	)
Net loss allocated to Class B common stock	(14		)	(112	)	(385	)
Net loss	$	(1,370	)	(11,062	)	(38,127	)
Denominator:
Weighted average shares of Class A outstanding - basic	49,214			49,080		49,080
Weighted average shares of Class A outstanding - diluted	49,347			49,139		49,080
Weighted average shares of Class B outstanding - basic and diluted	1,002			1,002		1,002
Total weighted average shares outstanding - basic	50,216			50,082		50,082
Total weighted average shares outstanding - diluted	50,349			50,141		50,082
Basic and diluted loss per share of Class A common stock	$	(0.03	)	(0.22	)	(0.77	)
Basic and diluted loss per share of Class B common stock	(0.01		)	(0.11	)	(0.38	)