Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2018

Federal Home Loan Banks [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share (in thousands, except share and per share data):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Numerator:
Net income available to common shareholders	$	29,471	$	20,098	$	109,401	$	76,829
Denominator:
Basic weighted average shares outstanding		58,741,973		58,808,098		58,785,546		58,771,444
Effect of dilutive securities:
Stock appreciation rights and options		177,412		194,630		181,680		197,810
Restricted stock		164,732		153,704		144,077		157,740
Diluted weighted average shares outstanding		59,084,117		59,156,432		59,111,303		59,126,994
Basic earnings per share	$	0.50	$	0.34	$	1.86	$	1.31
Diluted earnings per share	$	0.50	$	0.34	$	1.85	$	1.30

Antidilutive Securities Excluded from Computation of Earnings Per Share

effect of common stock equivalents using the treasury stock method. The computation of diluted earnings per share excludes the following potentially dilutive securities because the effect would be anti-dilutive:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Stock appreciation rights		—		35,914		10,709		28,311
Performance-based restricted stock units		—		660		285		220