Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021
Cash dividends declared per share of common stock (in dollars per share)	$ 1.20		$ 0.75
Add’l Paid in Capital
Issuance of common stock through stock awards (in shares)	7,197	241,750	4,685,000	149,000
Exercise of stock options (in shares)	13,131	26,190	38,265	82,101
Issuance of common stock through employee purchase plan (in shares)	32,172	36,347	30,302	31,824
Treasury Stock
Purchase of treasury stock (in shares)		95,091		65,290
Accumulated Deficit
Cash dividends declared per share of common stock (in dollars per share)	$ 1.20	$ 1.10	$ 0.75	$ 0.75
Preferred stock dividend shares (in dollars per share)	$ 15.95	$ 15.95	$ 15.95	$ 15.95