Earning Per Common Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

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

	Quarter Ended September 30,				Nine-Month Period Ended September 30,
	2018		2017		2018		2017
	(In thousands, except per share data)
Net income	$	23,100	$	3,319	$	59,666	$	35,573
Less: Dividends on preferred stock
Non-convertible preferred stock (Series A, B, and D)		(1,628)		(1,627)		(4,883)		(4,883)
Convertible preferred stock (Series C)		(1,838)		(1,838)		(5,513)		(5,513)
Income available to common shareholders	$	19,634	$	(146)	$	49,270	$	25,177
Effect of assumed conversion of the convertible preferred stock		1,838		1,838		5,513		5,513
Income available to common shareholders assuming conversion	$	21,472	$	1,692	$	54,783	$	30,690
Weighted average common shares and share equivalents:
Average common shares outstanding		43,996		43,947		43,975		43,937
Effect of dilutive securities:
Average potential common shares-options		209		17		110		20
Average potential common shares-assuming conversion of convertible preferred stock		7,259		7,138		7,259		7,138
Total weighted average common shares outstanding and equivalents		51,464		51,102		51,344		51,095
Earnings per common share - basic	$	0.45	$	-	$	1.12	$	0.57
Earnings per common share - diluted	$	0.42	$	-	$	1.07	$	0.56