Note 12 - Federal and State Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2023		2022
	(in thousands)
Deferred tax liabilities:
Property and equipment	$	101,623	$	102,169
Unrealized gains on securities		3,282		2,894
Prepaid expenses and other		3,303		3,836
Total deferred tax liabilities		108,208		108,899
Deferred tax assets:
Current expected credit losses		1,986		1,385
Compensated absences		168		215
Self-insurance allowances		1,674		5,746
Other		49		108
Total deferred tax assets		3,877		7,454
Net deferred tax liability	$	104,331	$	101,445

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2023				2022				2021
	(in thousands)
	Amount		Percent		Amount		Percent		Amount		Percent
Federal income tax at statutory rate	$	6,002		21.0	$	24,991		21.0	$	21,526		21.0
Nondeductible per diem and meals		371		1.3		-		-		-		-
State income taxes/other, net		3,790		13.3		3,344		2.8		4,463		4.4
Total income tax expense	$	10,163		35.6	$	28,335		23.8	$	25,989		25.4

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	2023		2022		2021
	(in thousands)
Current:
Federal	$	4,697	$	10,673	$	6,314
State		2,580		3,121		1,843
Total current income tax provision		7,277		13,794		8,157
Deferred:
Federal		944		12,920		13,720
State		1,942		1,621		4,112
Total deferred income tax provision		2,886		14,541		17,832
Total income tax provision expense	$	10,163	$	28,335	$	25,989