Stock-based compensation (Tables)

6 Months Ended

Jun. 30, 2022

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, 2020	358,512	$	41.23
Granted	191,479		69.38
Performance Shares Quantity Adjustment	54,306		54.21
Vested	(273,974)		55.11
Forfeited	(8,440)		43.48
Non-vested at December 31, 2021	321,883	$	47.98
Granted	192,903		84.34
Performance Shares Quantity Adjustment	9,255		55.51
Vested	(234,158)		67.23
Forfeited	(295)		76.85
Non-vested at June 30, 2022	289,588	$	56.89

Directors

Schedule of Unvested Restricted Stock Units Roll Forward

(Not in thousands)		Restricted Stock units		Weighted-Average Grant Date Fair Value per Unit
Non-vested at December 31, 2020	$	-	$	-
Granted		20,638		78.20
Vested		(20,638)		78.20
Forfeited		-		-
Non-vested at December 31, 2021	$	-	$	-
Granted		23,552		77.59
Vested		(23,552)		77.59
Forfeited		-		-
Non-vested at June 30, 2022	$	-	$	-