Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Share-based Compensation Related to Restricted Stock Awards

The total stock-based compensation expense related to restricted stock awards for the years ended December 31, are as follows (in thousands):

	2020		2019		2018
Employees	$	2,223	$	2,667	$	2,332
Non-employee Directors	635		597		553
Total	$	2,858	$	3,264	$	2,885

Stock-based Compensation Expense

Stock-based compensation consisting of restricted stock awards was included in costs and operating expenses and provision for income taxes on the accompanying statements of income for the years ended December 31, 2020, 2019 and 2018 (in thousands):

	2020		2019		2018
Stock-based compensation included in costs and operating expenses	$	2,858	$	3,264	$	3,027
Income tax benefit recognized for stock-based compensation	(713)		(663)		(755)
Stock-based compensation expense, net of income tax benefit	$	2,145	$	2,601	$	2,272

Schedule of Other Restricted Stock Awards

	Number of Shares	Weighted Average Grant Date Fair Value
Unvested as of December 31, 2018	—	$	—
Granted	86,911	31.92
Vested	(29,110)	30.66
Forfeited	—	—
Unvested as of December 31, 2019	57,801	32.56
Granted	30,500	31.50
Vested	(32,017)	32.14
Forfeited	—	—
Unvested as of December 31, 2020	56,284	$	32.23