Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Numerator and denominator of the basic and diluted earnings per common share computations

The following summarizes the numerator and denominator of the basic and diluted earnings per common share computations:

	Years Ended December 31,
	2015		2014		2013
	(In thousands, except per share data)
Numerator for both basic and diluted earnings per common share, net income	$	86,830	$	62,121	$	56,808
Denominator for basic earnings per common share, weighted average common shares outstanding	36,081		31,367		28,183
Weighted average common stock equivalents	272		221		169
Denominator for diluted earnings per common share	36,353		31,588		28,352
Net income per common share:
Basic	$	2.41	$	1.98	$	2.02
Diluted	2.39		1.97		2.00