Earnings Per Share - Shares of Common Stock Outstanding (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Common Stock Outstanding [Roll Forward]
Balance, Beginning of Year (in shares)	220,440,993
Balance, End of Year (in shares)	203,531,320	220,440,993
Common Stock
Common Stock Outstanding [Roll Forward]
Balance, Beginning of Year (in shares)	220,440,993	186,642,962	198,663,342
Issuance Related to Stock-Based Compensation (in shares)	1,374,925	882,335	909,107
Retirement of Common Stock (in shares)	(18,284,598)	(4,138,527)	(12,929,487)
Issuance Related to CNXM Merger (in shares)	0	37,054,223	0
Balance, End of Year (in shares)	203,531,320	220,440,993	186,642,962