Share-based Compensation - Stock Options and Restricted Stock Activity (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares
Stock options
Options Outstanding
Balance at beginning of period (in shares)	394,089	761,686
Exercised (in shares)	0	(11,314)
Lapsed or canceled (in shares)	(28,283)	(356,283)
Balance at end of period (in shares)	365,806	394,089
Options exercisable at end of period (in shares)	365,806	394,089
Weighted Average Exercise Price
Balance at beginning of year (in dollars per share) | $ / shares	$ 100.56	$ 105.76
Exercised (in dollars per share) | $ / shares	0	72.30
Lapsed or canceled (in dollars per share) | $ / shares	112.48	112.56
Balance at end of period (in dollars per share) | $ / shares	99.64	100.56
Options exercisable at end of period (in dollars per share) | $ / shares	$ 99.64	$ 100.56
Restricted Stock Awards
Summary of restricted stock
Balance at beginning of year (in shares)	3,459,363	3,337,545
Granted (in shares)	252,685	141,515
Canceled (in shares)	(13,884)	(19,697)
Balance at end of period (in shares)	3,698,164	3,459,363
Vested during the period (in shares)	118,205	122,759
Compensation expense | $	$ 4,170,501	$ 8,497,054
Total fair value of shares granted during the period | $	$ 14,514,558	$ 9,214,531