Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Earnings Per Share

The computations of basic earnings per share and diluted earnings per share are as follows:

	Three Months Ended March 31, 2016
	Income (Numerator)		Shares (Denominator)	Per-share Amount
Net income	$	18,626,000
Basic earnings per common share	$	18,626,000	72,364,000	$	0.26
Effect of dilutive securities:
Stock options and restricted stock			650,000	—
Diluted earnings per common share	$	18,626,000	73,014,000	$	0.26
	Three Months Ended March 31, 2015
	Income (Numerator)		Shares (Denominator)	Per-share Amount
Net income	$	15,516,000
Basic earnings per common share	$	15,516,000	71,469,000	$	0.22
Effect of dilutive securities:
Stock options and restricted stock			690,000	—
Diluted earnings per common share	$	15,516,000	72,159,000	$	0.22