EQUITY (Tables)

12 Months Ended

Dec. 31, 2020

EQUITY

Schedule of shares repurchased

	Shares	Aggregate Cost		Average
Year ended December 31,	Repurchased	(in thousands)		Repurchase Price
2020	129,273	$	6,589	$	50.97
2019	3,104		162		52.37
2018	30,427		1,576		51.82

Schedule of repurchases of shares from employees to satisfy tax withholding and stock exercise obligations

		Aggregate
	Shares	Cost		Average
Year ended December 31,	Repurchased	(in thousands)		Repurchase Price
2020	32,227	$	1,733	$	53.78
2019	42,703		2,419		56.65
2018	141,180		10,859		76.76

Summary of stock option activity

	Year Ended December 31, 2020
				Weighted Average
				Remaining
	Number of	Weighted Avg.		Contractual	Aggregate
	Options	Exercise Price		Term (Years)	Intrinsic Value
Outstanding at January 1, 2019	15,000	$	49.34
Granted	—		—
Forfeited	—		—
Expired	—		—
Exercised	—		—
Outstanding at December 31, 2020	15,000		49.34	2.2	$	34,600
Vested and expected to vest at December 31, 2020	15,000		49.34	2.2	$	34,600
Exercisable at December 31, 2020	15,000		49.34	2.2	$	34,600

	Year Ended December 31, 2019
				Weighted Average
				Remaining
	Number of	Weighted Avg.		Contractual	Aggregate
	Options	Exercise Price		Term (Years)	Intrinsic Value
Outstanding at January 1, 2018	42,000	$	48.61
Granted	—		—
Forfeited	(7,500)		52.97
Expired	(2,500)		52.97
Exercised	(17,000)		45.39
Outstanding at December 31, 2019	15,000		49.34	3.2	$	170,900
Vested and expected to vest at December 31, 2019	15,000		49.34	3.2	$	170,900

Summary of information relating to options granted and exercised

The following table summarizes information relating to options granted and exercised during the years ended December 31, 2020, 2019 and 2018 (in thousands, except fair value of options granted data):

	2020		2019		2018
Aggregate intrinsic value of options exercised	$	—	$	229	$	5,927
Cash proceeds received upon exercise of options		—		—		72

Summary of restricted stock activity

The following table summarizes restricted stock activity during the year ended December 31, 2020:

		Weighted Avg.
	Shares	Fair Value
Unvested as of January 1, 2020	204,146	$	60.13
Granted	116,404		50.45
Forfeited	(3,323)		59.99
Vested and issued	(93,604)		61.75
Unvested as of December 31, 2020	223,623	$	54.42

The following table summarizes restricted stock activity during the year ended December 31, 2019:

		Weighted Avg.
	Shares	Fair Value
Unvested as of January 1, 2019	200,653	$	65.21
Granted	108,278		54.68
Forfeited	(18,579)		57.04
Vested and issued	(86,206)		65.77
Unvested as of December 31, 2019	204,146	$	60.13