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Earning Per Common Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Common Share [Abstract]

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

	Quarter Ended June 30,						Six-Month Period Ended June 30,
	2019			2018			2019			2018
	(In thousands, except per share data)
Net income	$	23,979		$	19,649		$	47,449		$	36,566
Less: Dividends on preferred stock
Non-convertible preferred stock (Series A, B, and D)		(1,628)			(1,628)			(3,256)			(3,255)
Convertible preferred stock (Series C)		-			(1,837)			-			(3,675)
Income available to common shareholders	$	22,351		$	16,184		$	44,193		$	29,636
Effect of assumed conversion of the convertible preferred stock		-			1,837			-			3,675
Income available to common shareholders assuming conversion	$	22,351		$	18,021		$	44,193		$	33,311

Weighted average common shares and share equivalents:
Average common shares outstanding		51,330			43,975			51,317			43,965
Effect of dilutive securities:
Average potential common shares-options		350			113			335			54
Average potential common shares-assuming conversion of convertible preferred stock		-			7,138			-			7,138
Total weighted average common shares outstanding and equivalents		51,680			51,226			51,652			51,157
Earnings per common share - basic	$	0.44		$	0.36		$	0.86		$	0.67
Earnings per common share - diluted	$	0.43		$	0.35		$	0.86		$	0.65