Stock-based compensation (Tables)

6 Months Ended

Jun. 30, 2023

Executive Officers

Schedule of Unvested Restricted Stock Units Roll Forward

(Not in thousands)

Shares

Weighted-Average

Grant Date Fair

Value

Non-vested at December 31, 2021

321,883

$

47.98

Granted

194,791

84.29

Performance Shares Quantity Adjustment

6,947

78.02

Vested 

(240,033)

66.11

Forfeited

(1,625)

78.86

Non-vested at December 31, 2022

281,963

$

56.50

Granted

258,018

67.04

Performance Shares Quantity Adjustment

11,499

75.96

Vested 

(223,471)

66.77

Forfeited

(15,371)

55.82

Non-vested at June 30, 2023

312,638

$

58.20

Directors

Schedule of Unvested Restricted Stock Units Roll Forward

(Not in thousands)

RSUs / Unrestricted

stock

Weighted-Average 

Grant Date Fair

Value per Unit

Non-vested at December 31, 2021

$

-

$

-

Granted

25,321

77.48

Vested 

(25,321)

77.48

Forfeited

-

-

Non-vested at December 31, 2022

$

-

$

-

Granted

36,328

54.78

Vested 

(36,328)

54.78

Forfeited

-

-

Non-vested at June 30, 2023

$

-

$

-