Revenue from Contracts with Customers - Contract Balances (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) item
Revenue from Contracts with Customers
Signing bonuses received from vendors, in prior years | item			2
Contract liabilities	$ 1,800,000		$ 1,900,000
Increase in recognized revenues and contract liabilities	200,000	$ 200,000
Change in contract liabilities due to changes in transaction price estimates	0	$ 0
Receivables from contracts with customers or contract assets	$ 0		$ 0