Stock-based compensation (Tables)

3 Months Ended

Mar. 31, 2021

Executive Officers

Schedule of Unvested Restricted Stock Units Roll Forward

The following table summarizes the restricted stock and performance shares activity under the Incentive Plan for members of management.

(Not in thousands)	Shares		Weighted-Average Grant Date Fair Value
Non-vested at December 31, 2019	345,365	$	41.68
Granted	253,943		42.49
Performance Shares Quantity Adjustment	(7)		48.79
Vested	(234,421)		42.64
Forfeited	(6,368)		44.26
Non-vested at December 31, 2020	358,512	$	41.23
Granted	124,613		66.84
Performance Shares Quantity Adjustment	46,704		51.48
Vested	(193,946)		57.16
Non-vested at March 31, 2021	335,883	$	42.96

Directors

Schedule of Unvested Restricted Stock Units Roll Forward

The following table summarizes the restricted stock activity under the Incentive Plan for members of the Board of Directors:

(Not in thousands)		Restricted Stock units		Weighted-Average Grant Date Fair Value per Unit
Non-vested at December 31, 2019	$	-	$	-
Granted		43,866		35.47
Vested		(43,866)		35.47
Forfeited		-		-
Non-vested at December 31, 2020	$	-	$	-
Granted		524		55.23
Vested		(524)		55.23
Forfeited		-		-
Non-vested at March 31, 2021	$	-	$	-