Consolidated Statements of Stockholders' Equity (Parenthetical) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2019
Consolidated Statements of Stockholders' Equity
Purchase of shares of common stock under share repurchase program		2,872,548
Issuance of shares of common stock under long-term incentive plan (in shares)	157,609	172,720