Income Taxes - Expense (Benefit) Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Effective Income Tax Rate Reconciliation, Amount
U.S. federal statutory tax rate (in dollars)	$ 4,720	$ 3,898
State and local income taxes, net of federal income tax effect (in dollars)	991	813
Energy related tax credits (in dollars)		(48)
Nontaxable or nondeductible and other items (in dollars)	97	(14)
Total income tax expense (in dollars)	$ 5,808	$ 4,649
Effective Income Tax Rate Reconciliation, Percent
U.S. federal statutory tax rate (as a percent)	21.00%	21.00%
State and local income taxes, net of federal income tax benefit (as a percent)	4.40%	4.40%
Energy related tax credit (as a percent)		(0.30%)
Other items (as a percent)	0.40%	(0.10%)
Total income tax expense (as a percent)	25.80%	25.00%