Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Statement of Stockholders' Equity [Abstract]
Treasury Stock, Common, Shares	40,742,200	41,429,692	40,742,200	41,429,692	40,835,590	41,391,555	41,816,674	42,494,684
Cash dividends declared per common share (in dollars per share)	$ 0	$ 0	$ 0	$ 0