Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2021

Equity [Abstract]

Treasury Stock Acquisition

Treasury stock acquisitions during the six months ended June 30, 2021 were as follows (dollars in thousands):

	Shares		Cost
Treasury shares at beginning of period		83,402,322	$	1,366,313
Acquisitions pursuant to long-term incentive plan		428,665		3,522
Treasury shares at end of period		83,830,987	$	1,369,835