Share-based compensation (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of nonvested share award activity

The following is a summary of the stock awards activity under our equity incentive plan and related information for the years ended December 31, 2021, 2020, and 2019:

			Number of Share Awards		Weighted-Average Grant Date Fair Value Per Share
Outstanding at December 31, 2018			1,712,376		$		105.22
Granted			768,625		$		134.70
Vested			(666,836)		$		96.77
Forfeited			(14,480)		$		119.88
Outstanding at December 31, 2019			1,799,685		$		119.59
Granted			753,473		$		147.71
Vested			(688,599)		$		115.57
Forfeited			(39,279)		$		117.76
Outstanding at December 31, 2020			1,825,280		$		132.95
Granted			740,920		$		174.32
Vested			(709,737)		$		131.54
Forfeited			(33,003)		$		99.55
Outstanding at December 31, 2021			1,823,460		$		150.89
	Year Ended December 31,
(In thousands)	2021		2020		2019
Total grant date fair value of stock awards vested	$	93,359	$	79,578	$	64,530
Total gross compensation recognized for stock awards	$	94,748	$	80,651	$	68,036
Capitalized stock compensation	$	46,079	$	37,149	$	24,396