STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement, Noncash Expense [Abstract]

Stock-Based Compensation Cost and Associated Tax Benefit

Presented below is a summary of the stock-based compensation cost and associated tax benefit included in the accompanying consolidated statements of operations:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Stock-based compensation cost	$	46	$	46	$	143	$	130
Tax benefit	$	10	$	10	$	32	$	30

Weighted Average Assumptions used in Determining Fair Value for Options Granted

The following weighted average assumptions were used in determining the fair value using the Black-Scholes option-pricing model for options granted in 2023:

Expected dividend yield	1.04	%
Expected stock volatility	29	%
Risk-free interest rate	4.18	%
Expected holding period	5.8 years

Stock Option Exercises and Restricted Stock Vesting

The following table summarizes information relating to stock option exercises and restricted stock vesting:

	Nine Months Ended September 30,
	2023		2022
Exercise of stock options:
Proceeds from stock option exercises	$	26	$	6
Aggregate intrinsic value	$	48	$	7
Tax benefit realized upon exercise	$	11	$	2
Number of shares exercised (1)	0.2		—
Vesting of restricted stock:
Fair value of shares vested	$	154	$	174
Tax benefit realized upon vesting	$	36	$	41
Number of shares vested	0.5		0.5
Vesting of performance-based restricted stock:
Fair value of shares vested	$	24	$	50
Tax benefit realized upon vesting	$	3	$	7
Number of shares vested	0.1		0.2

(1) The number of options exercised in 2022 was approximately 41 thousand.