NET INCOME PER SHARE

12 Months Ended

Dec. 31, 2022

Basic and diluted net income per share was as follows:


	Years Ended December 31,
Dollars in thousands, except per share amounts	2022		2021		2020
Basic net income per share:
Net income	$	180,550	$	169,075	$	133,892
Weighted average common shares outstanding	82,997		84,698		84,650
Basic net income per common share	$	2.18	$	2.00	$	1.58

Diluted net income per share:
Net income	$	180,550	$	169,075	$	133,892

Weighted average common shares outstanding — Basic	82,997		84,698		84,650
Effect of dilutive securities:
Stock options and restricted stock	519		787		577
Weighted average common shares for diluted earnings per share	83,516		85,485		85,228
Diluted net income per common share	$	2.16	$	1.98	$	1.57

Common stock of approximately 0.3 million and 0.1 million shares at December 31, 2022, and 2021 that are issuable through exercise of dilutive securities, respectively, and were not included in the computation of diluted net income per share because their effect would have been anti-dilutive.

Based on the adoption of ASU 2020-06, as the principal amount of the 2025 Notes will be paid in cash and only the conversion spread is settled in shares, the Company will be utilizing the if-converted method and only includes the net number of incremental shares that would be issued upon conversion.