EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2020

EARNINGS PER SHARE [Line Items]

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

	Three Months Ended March 31, 2020
	Income		Shares	Per Share Amount
	(Thousands, except per share amounts)
Basic EPS Calculation
Net income available for common stock	$	91,677	53,007	$	1.73
Diluted EPS Calculation
Effect of dilutive securities	—		261
Net income available for common stock and common stock equivalents	$	91,677	53,268	$	1.72

	Three Months Ended March 31, 2019
	Income		Shares	Per Share Amount
	(Thousands, except per share amounts)
Basic EPS Calculation
Net income available for common stock	$	93,660	52,825	$	1.77
Diluted EPS Calculation
Effect of dilutive securities	—		381
Net income available for common stock and common stock equivalents	$	93,660	53,206	$	1.76