Income Taxes (Effective tax rate reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Difference between the Federal corporate tax rate and the effective tax rate
Income tax provision computed at US federal statutory rate	$ 844	$ 2,603	$ (1,091)
Canadian rate differential	0	0	87
Other, net	105	(532)	(10)
Income tax provision	$ 1,804	$ 2,872	$ (567)
Income tax provision computed at US federal statutory rate, effective tax rate	21.00%	21.00%	21.00%
Canadian rate differential, effective tax rate	0.00%	0.00%	(1.70%)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	$ 359	$ 349	$ 128
State and local income taxes, net of federal income taxes, effective tax rate	8.90%	2.80%	(2.50%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent	3.80%	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount	$ 153	$ 0	$ 0
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent	4.60%	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount	$ 185	$ 0	$ 0
Other, net, effective tax rate	2.70%	(4.20%)	0.20%
Effective income tax rate	44.90%	23.20%	10.90%
State and local income taxes, net of federal income taxes, effective tax rate	8.90%	2.80%	(2.50%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount	$ 158	$ 452	$ 319
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent	3.90%	3.60%	(6.10%)
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount [Abstract]
Income tax provision computed at US federal statutory rate, effective tax rate	21.00%	21.00%	21.00%
Canadian rate differential, effective tax rate	0.00%	0.00%	(1.70%)
Other, net, effective tax rate	2.70%	(4.20%)	0.20%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	$ 359	$ 349	$ 128