Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The amounts provided for income taxes were as follows:

	Year Ended December 31,
	2021		2020		2019
Current:
U.S. Federal	$	33,398	$	30,583	$	31,002
State	14,945		12,910		9,705
	48,343		43,493		40,707
Deferred:
U.S. Federal	11,399		7,343		(6,075)
State	3,065		3,285		(3,547)
	14,464		10,628		(9,622)
Total	$	62,807	$	54,121	$	31,085

Schedule of Deferred Tax Assets and Liabilities

The tax effect of temporary differences which give rise to a significant portion of deferred tax assets and liabilities is as follows:

	December 31, 2021		December 31, 2020
Deferred tax assets:
Employee benefit accruals	$	7,828	$	10,529
Impairment of investments	12,337		13,961
Impact of timing of settlement payments	10,854		20,137
Various U.S. federal and state tax loss carryforwards	2,378		3,123
Operating lease liabilities	3,277		3,884
Current expected credit losses	4,111		4,299
Other	3,910		2,852
	44,695		58,785
Less: Valuation allowance	(348)		(852)
Net deferred tax assets	$	44,347	$	57,933
Deferred tax liabilities:
Basis differences on non-consolidated entities	$	(24,441)	$	(22,809)
Basis differences on fixed and intangible assets	(35,154)		(35,555)
Basis differences on inventory	(10,808)		(10,698)
Basis differences on long-term investments	(4,383)		(912)
Basis differences on available for sale securities	(1,490)		(3,579)
Operating lease right of use assets	(2,839)		(3,324)
	$	(79,115)	$	(76,877)
Net deferred tax liabilities	$	(34,768)	$	(18,944)

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Schedule of Effective Income Tax Rate Reconciliation

Differences between the amounts provided for income taxes and amounts computed at the federal statutory tax rate are summarized as follows:

	Year Ended December 31,
	2021		2020		2019
Income before provision for income taxes	$	209,961	$	181,043	$	125,015
Federal income tax expense at statutory rate	44,092		38,018		26,253
Increases (decreases) resulting from:
State income taxes, net of federal income tax benefits	13,946		12,974		6,047
Non-deductible expenses	6,205		2,859		2,048
Excess tax benefits on stock-based compensation	(561)		(206)		(1,488)
Changes in valuation allowance, net of equity and tax audit adjustments	(504)		(440)		(2,525)
Other	(371)		916		750
Income tax expense	$	62,807	$	54,121	$	31,085

Schedule of Unrecognized Tax Benefits

The following table summarizes the activity related to the unrecognized tax benefits:

Balance at January 1, 2019	$	391
Additions based on tax positions related to prior years	1,586
Expirations of the statute of limitations	(330)
Balance at December 31, 2019	1,647
Additions based on tax positions related to prior years	458
Settlements	(402)
Expirations of the statute of limitations	(50)
Balance at December 31, 2020	1,653
Additions based on tax positions related to prior years	1,640
Settlements	(1,065)
Expirations of the statute of limitations	(19)
Balance at December 31, 2021	$	2,209