INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of Income Tax Expense

On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the Tax Cut and Jobs Act (the “Tax Act”). The Tax Act includes a number of changes to existing U.S. tax laws that impact the Company, most notably a reduction of the U.S. corporate income tax rate from 35% to 21% effective January 1, 2018. Other changes include the acceleration of depreciation for certain assets placed into service after September 27, 2017 as well as, prospective changes beginning in 2018 including additional limitations on executive compensation.

Income tax expense consists of the following:

	Year Ended December 31,
	2017		2016			2015
Current:
Federal	$	20,930	$	17,562		$	14,395
State		953		539			31
		21,883		18,101			14,426
Deferred:
Federal		2,794		509			(662	)
State		981		(61	)		(66	)
		3,775		448			(728	)
	$	25,658	$	18,549		$	13,698

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the statutory federal income tax rate to the Company’s effective tax rate is as follows:

	Year Ended December 31,
	2017			2016			2015
Statutory federal income tax rate		35.0	%		35.0	%		35.0	%
State income taxes, net of federal benefit		0.7			0.6			0
Executive compensation limitation		0.3			0.1			0
Stock-based compensation		(6.4	)		0			0
Food donations		(1.1	)		(1.1	)		(1.2	)
Fixed assets		0			0			0.5
Changes in reserves		0			(0.1	)		(0.1	)
Tax credits		(0.2	)		(0.2	)		(0.5	)
Expired charitable contribution carryover		0.8			0			1.9
Rate change due to tax reform		1.0			0			0
Valuation allowance		0.8			0			(2.0	)
Other		(0.2	)		0			0.8
		30.7	%		34.3	%		34.4	%

Schedule of Deferred Tax Assets and Liabilities

The significant items comprising the Company’s deferred income tax assets and liabilities are as follows:

	December 31,
	2017			2016
Deferred tax assets:
Reserves and accruals	$	979		$	1,470
Goodwill/Intangible assets		396			721
Net operating loss carryforwards		2,074			1,653
Stock-based compensation		2,437			2,441
Charitable contribution carryforward		122			1,432
Other		608			1,014
		6,616			8,731
Valuation allowance		(817	)		0
		5,799			8,731
Deferred tax liability:
Property and equipment		(2,597	)		(1,791	)
Net deferred tax asset	$	3,202		$	6,940

Summary of Valuation Allowance

An analysis of the activity of the valuation allowance is as follows:

	Year Ended December 31,
	2017		2016		2015
Balance at beginning of year	$	0	$	0	$	800
Additions charged to expense		817		0		0
Deductions		0		0		(800	)
Balance at end of year	$	817	$	0	$	0

Schedule of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amounts of the total unrecognized tax benefit is as follows:

	Year Ended December 31,
	2017			2016			2015
Balance at beginning of year	$	168		$	272		$	332
Increase related to current year tax positions		30			20			19
Increase related to prior year tax positions		0			0			72
Decrease due to lapse of statute of limitations		(67	)		(124	)		(151	)
Balance at end of year	$	131		$	168		$	272