STOCK BASED COMPENSATION: (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Restricted Stock Units, Vested and Expected to Vest

		2021		2020
	Number	Weighted Average Grant Date	Number	Weighted Average Grant Date
(shares in thousands)	Outstanding	Fair Value	Outstanding	Fair Value
Nonvested balance at January 1,	19,724	42.51	18,931	43.44
Granted during the year	20,016	41.81	19,688	42.50
Vested during the year	(19,105)	42.27	(18,895)	43.43
Forfeited during the year	(1,089)	42.51	—	—
Nonvested balance at December 31,	19,546	42.03	19,724	42.51