Reserves For Claims Summary Of Transactions In Reserves For Claims (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Liability for title claims and claims adjustment expense	$ 37,316	$ 37,147	$ 37,192
Provision charged to operations	910	4,762
Payments of claims, net of recoveries	$ (741)	$ (4,807)