Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash dividends declared per share of common stock (in dollars per share)	$ 1.10	$ 0.75
Add’l Paid in Capital
Issuance of common stock through stock awards (in shares)	241,750	149,000
Exercise of stock options (in shares)	26,190	82,101
Issuance of common stock through employee purchase plan (in shares)	36,347	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)	$ 1.10	$ 0.75
Preferred stock dividend shares (in dollars per share)	$ 15.95	$ 15.95