Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Summary of Earnings Per Share, Basic and Diluted

The calculation and reconciliation of basic and diluted earnings per share for the three months ended March 31, 2021 and 2020 is as follows (in thousands, except per share data): 

	Three Months Ended March 31,
	2021		2020
Net income	$	184,239	$	147,060
Denominator for basic earnings per share	83,475		84,902
Dilutive securities	2,289		3,303
Denominator for diluted earnings per share	85,764		88,205
Basic earnings per share	$	2.21	$	1.73
Diluted earnings per share	$	2.15	$	1.67