Schedule II - Valuation And Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Provision for doubtful accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at the Beginning of the Period	$ 606	$ 323	$ 411
Charged to Revenue, Cost or Expense	(109)	322	0
Deduction	136	39	88
Balance at the End of the Period	361	606	323
Deferred tax asset valuation allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at the Beginning of the Period	17,557	15,443	12,493
Charged to Revenue, Cost or Expense	3,238	2,114	3,294
Deduction	0	0	344
Balance at the End of the Period	20,795	17,557	15,443
Reserve for losses on uncompleted contracts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at the Beginning of the Period	353	34	1,473
Charged to Revenue, Cost or Expense	547	351	33
Deduction	347	32	1,472
Balance at the End of the Period	$ 553	$ 353	$ 34