Share-based Compensation - Stock Options and Restricted Stock Activity (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Stock Options
Options Outstanding
Balance at beginning of period (in shares)	115,980	313,480
Exercised (in shares)	0		0
Lapsed or canceled (in shares)	0		(197,500)
Balance at end of period (in shares)	115,980	115,980	313,480
Options exercisable at end of period (in shares)	115,980	115,980
Weighted Average Exercise Price
Balance at beginning of year (in dollars per share)	$ 103.52	$ 97.59
Exercised (in dollars per share)	0		$ 0
Lapsed or canceled (in dollars per share)	0		84.14
Balance at end of period (in dollars per share)	103.52	103.52	$ 97.59
Options exercisable at end of period (in dollars per share)	$ 103.52	$ 103.52
Restricted Stock Awards
Summary of restricted stock
Balance at beginning of year (in shares)	4,089,174	3,758,174
Granted (in shares)	3,234		337,350
Canceled (in shares)	(7,450)		(6,350)
Balance at end of period (in shares)	4,084,958	4,089,174	3,758,174
Vested during the period (in shares)	134,620		147,915
Compensation expense	$ 2,625,319		$ 7,766,055
Total fair value of shares granted during the period	$ 151,901		$ 15,789,540