SHARE-BASED PAYMENTS (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock Option Activity

The following tables summarize stock option activity for the years ended December 31, 2021 and 2020.

December 31, 2021	Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Outstanding at beginning of year		751,333		$	22.89		5	$	2,790
Granted		4,163			22.08		10		—
Exercised		(247,895	)		15.52		2		—
Forfeited or expired		(28,760	)		33.13		7		—
Outstanding at end of year		478,841		$	26.08		5	$	3,889
Fully vested and expected to vest		478,841		$	26.08		5	$	3,889
Exercisable at end of year		437,801		$	25.49		5	$	3,806

December 31, 2020	Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Outstanding at beginning of year		785,758		$	23.17		6	$	6,896
Exercised		(1,150	)		17.43		4		—
Forfeited or expired		(33,275	)		29.66		6		—
Outstanding at end of year		751,333		$	22.89		5	$	2,790
Fully vested and expected to vest		751,333		$	22.89		5	$	2,790
Exercisable at end of year		647,861		$	21.22		4	$	2,790

Schedule of Fair Values of Options Granted

The fair values of options granted were determined using the following weighted-average assumptions as of grant dates.

	2021			2019
Risk free rate		0.62	%		2.52	%
Market value of stock on grant date	$	22.08		$	32.43
Expected term (in years)		6.0			5.8
Expected volatility		26.13	%		15.71	%
Dividend rate		—	%		—	%

Summary of Changes in Company's Non-vested RSUs

A summary of changes in the Company’s non-vested RSUs is shown below.

Non-vested Restricted Stock Units	Shares			Weighted Average Grant Date Fair Value
Non-vested RSUs at January 1, 2021		261,078		$	30.39
Granted		169,696			22.58
Vested		(74,454	)		32.56
Forfeited		(68,583	)		30.75
Outstanding at December 31, 2021		287,737		$	25.13
Non-vested Restricted Stock Units	Shares			Weighted Average Grant Date Fair Value
Non-vested RSUs at January 1, 2020		187,450		$	34.56
Granted		126,827			25.38
Vested		(34,891	)		34.36
Forfeited		(18,308	)		30.58
Outstanding at December 31, 2020		261,078		$	30.39

Summary of Offering Periods and Costs

The following table presents the offering periods and costs associated with this program.

Offering Period	Shares Purchased		Cost Per Share		Compensation Expense
February 15, 2019 to August 14, 2019		19,221	$	21.07	$	72
August 15, 2019 to February 14, 2020		16,764		21.11		63
February 15, 2020 to August 14, 2020		17,829		13.61		43
August 15, 2020 to February 14, 2021		17,621		13.68		42
February 15, 2021 to August 14, 2021		16,034		20.50		58