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EQUITY (Tables)

12 Months Ended

Dec. 31, 2022

EQUITY

Schedule of shares repurchased

​

​	​	​	​	​	​	​	​	​	​
​	​	​	​	​		​	​	​	​
​	​	Shares	​	Aggregate Cost		​	Average		​
Year ended December 31,		Repurchased		(in thousands)			Repurchase Price
2022		23,714	​	$	941,523	​	$	39.70	​
2021		244,798	​	​	10,546	​	​	43.08	​
2020		129,273	​	​	6,589	​	​	50.97	​

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

​

​	​	​	​	​	​	​	​	​	​
​	​	​	​	​		​	​	​	​
​	​	Shares	​	Aggregate Cost		​	Average		​
Year ended December 31,		Repurchased		(in thousands)			Repurchase Price		​
2022		33,401	​	$	1,169	​	$	35.01	​
2021		33,271	​	​	1,713	​	​	51.49	​
2020		32,227	​	​	1,733	​	​	53.78	​

Summary of stock option activity

​

​	​	​	​	​	​	​	​	​	​	​	​
​	​	Year Ended December 31, 2022									​
​	​	​	​	​	​	​	Weighted Average	​	​	​	​
​	​	​	​	​	​	​	Remaining	​	​	​	​
​	​	Number of	​	Weighted Avg.		​	Contractual	​	Aggregate		​
​		Options		Exercise Price			Term (Years)		Intrinsic Value
Outstanding at January 1, 2022		5,000	​	$	71.43	​	​	​	​	​	​
Granted	​	—	​	​	—	​	​	​	​	​	​
Forfeited		—	​		—	​	​	​	​	​	​
Expired		(5,000)	​		—	​	​	​	​	​	​
Exercised		—	​		—	​	​	​	​	​	​
Outstanding at December 31, 2022		—	​	​	—	​	—	​	$	—	​
Vested and expected to vest at December 31, 2022		—	​	​	—	​	—	​	$	—	​
Exercisable at December 31, 2022		—	​	​	—	​	—	​	$	—	​

​

​

​	​	​	​	​	​	​	​	​	​	​	​
​	​	Year Ended December 31, 2021									​
​	​	​	​	​	​	​	Weighted Average	​	​	​	​
​	​	​	​	​	​	​	Remaining	​	​	​	​
​	​	Number of	​	Weighted Avg.		​	Contractual	​	Aggregate		​
​		Options		Exercise Price			Term (Years)		Intrinsic Value
Outstanding at January 1, 2021		15,000	​	$	49.34	​	​	​	​	​	​
Granted	​	—	​	​	—	​	​	​	​	​	​
Forfeited		—	​	​	—	​	​	​	​	​	​
Expired		—	​	​	—	​	​	​	​	​	​
Exercised		(10,000)	​	​	38.30	​	​	​	​	​	​
Outstanding at December 31, 2021		5,000	​	​	71.43	​	3.7	​	$	—	​
Vested and expected to vest at December 31, 2021		5,000	​	​	71.43	​	3.7	​	$	—	​

Summary of information relating to options granted and exercised

​

​	​	​	​	​	​	​	​	​	​	​	​
​	​	Year Ended December 31, 2021									​
​	​	​	​	​	​	​	Weighted Average	​	​	​	​
​	​	​	​	​	​	​	Remaining	​	​	​	​
​	​	Number of	​	Weighted Avg.		​	Contractual	​	Aggregate		​
​		Options		Exercise Price			Term (Years)		Intrinsic Value
Outstanding at January 1, 2021		15,000	​	$	49.34	​	​	​	​	​	​
Granted	​	—	​	​	—	​	​	​	​	​	​
Forfeited		—	​	​	—	​	​	​	​	​	​
Expired		—	​	​	—	​	​	​	​	​	​
Exercised		(10,000)	​	​	38.30	​	​	​	​	​	​
Outstanding at December 31, 2021		5,000	​	​	71.43	​	3.7	​	$	—	​
Vested and expected to vest at December 31, 2021		5,000	​	​	71.43	​	3.7	​	$	—	​

Summary of restricted stock activity

The following table summarizes restricted stock activity during the year ended December 31, 2022 and 2021:

​	​	​	​	​	​	​
​		​	​	Weighted Avg.		​
​		Shares		Fair Value
Unvested as of January 1, 2022		228,068	​	$	51.05	​
Granted		152,430	​	​	38.59	​
Forfeited		(12,486)	​	​	46.52	​
Vested and issued		(107,515)	​	​	51.33	​
Unvested as of December 31, 2022		260,497	​	$	43.86	​

​

​	​	​	​	​	​	​
​		​	​	Weighted Avg.		​
​		Shares		Fair Value
Unvested as of January 1, 2021		223,623	​	$	54.42	​
Granted		117,794	​		48.76	​
Forfeited		(14,213)	​		50.86	​
Vested and issued		(99,136)	​		55.95	​
Unvested as of December 31, 2021		228,068	​	$	51.05	​

Schedule of performance stock activity

​

​	​	​	​	​	​
​		​	​	Weighted Avg.
​		Shares		Fair Value
Unvested as of January 1, 2022		43,000	​	$	59.77
Granted		56,450	​	​	47.03
Forfeited		—	​	​	—
Vested and issued		—	​	​	—
Unvested as of December 31, 2022		99,450	​	$	52.54

​

​	​	​	​	​	​
​		​	​	Weighted Avg.
​		Shares		Fair Value
Unvested as of January 1, 2021		—	​	$	—
Granted		43,000	​	​	59.77
Forfeited		—	​	​	—
Vested and issued		—	​	​	—
Unvested as of December 31, 2021		43,000	​	$	59.77

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