Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Computation of Earnings Per Common Share

	Three Months Ended
	March 31,
(in thousands, except per share data)	2016		2015
Numerator:
Net income to common shareholders	$	3,839	$	40,159
Net income allocated to participating securities - basic and diluted		97		935
Net income allocated to common shareholders - basic and diluted	$	3,742	$	39,224
Denominator:
Weighted-average common shares - basic	$	77,501	$	79,496
Dilutive potential common shares		171		165
Weighted-average common shares - diluted	$	77,672	$	79,661
Earnings per common share:
Basic	$	0.05	$	0.49
Diluted	$	0.05	$	0.49