Note 12 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	Year Ended December 31,
	2016		2015			2014
	(in thousands)
Current Tax Provision
Federal	$	24,012	$	29,322		$	30,235
State		661		3,568			3,095
		24,673		32,890			33,330
Deferred Tax Provision
Federal		4,208		(532	)		(1,172	)
State		788		(227	)		(334	)
		4,996		(759	)		(1,506	)
Income Tax Provision	$	29,669	$	32,131		$	31,824

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

	December 31,
	2016			2015
	(in thousands)
Deferred tax assets:
Allowance for doubtful accounts receivable	$	2,077		$	2,055
Accrued risk reserves		2,277			2,648
Accrued expenses		8,907			8,420
Financial reporting depreciation in excess of tax depreciation		8,642			9,142
Stock based compensation		387			3,511
Non-refundable entrance fees		211			163
Refundable entrance fees		1,923			1,830
Obligation to provide future services		1,262			1,342
Deferred revenue		3,942			4,258
Total deferred tax assets	$	29,628		$	33,369
Deferred tax liabilities:
Unrealized gains on marketable securities	$	(41,264	)	$	(33,079	)
Deferred gain on sale of assets (net)		(3,135	)		(3,135	)
Book basis in excess of tax basis of intangible assets		(1,481	)		(945	)
Book basis in excess of tax basis of securities		(2,416	)		(2,344	)
Long–term investments		(3,404	)		(2,962	)
Total deferred tax liabilities	$	(51,700	)	$	(42,465	)
Net deferred tax liability	$	(22,072	)	$	(9,096	)

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

	Year Ended December 31,
	2016			2015			2014
	(in thousands)
Tax provision at federal statutory rate	$	28,072		$	29,846		$	29,818
Increase (decrease) in income taxes resulting from:
State, net of federal benefit		1,783			1,767			2,207
Nondeductible expenses		156			351			363
Insurance expense		27			6			27
Other, net		283			(372	)		439
Unrecognized tax benefits		716			2,674			512
Expiration of statute of limitations		(1,368	)		(2,141	)		(1,542	)
		1,597			2,285			2,006
Effective income tax expense	$	29,669		$	32,131		$	31,824

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	Deferred Tax Asset			Liability For Unrecognized Tax Benefits			Liability For Interest and Penalties			Liability Total
Balance, January 1, 2014	$	8,598		$	12,453		$	2,072		$	14,525
Additions based on tax positions related to the current year		−			2,008			216			2,224
Additions for tax positions of prior years		2,032			1,218			706			1,924
Reductions for statute of limitation expirations		(1,523	)		(2,059	)		(603	)		(2,662	)
Balance, December 31, 2014		9,107			13,620			2,391			16,011
Additions based on tax positions related to the current year		−			1,595			308			1,903
Additions for tax positions of prior years		490			498			1,298			1,796
Reductions for statute of limitation expirations		(1,779	)		(2,551	)		(865	)		(3,416	)
Balance, December 31, 2015		7,818			13,162			3,132			16,294
Additions based on tax positions related to the current year		1,249			1,249			-			1,249
Additions for tax positions of prior years		481			718			934			1,652
Reductions for statute of limitation expirations		(1,525	)		(2,164	)		(729	)		(2,893	)
Balance, December 31, 2016	$	8,023		$	12,965		$	3,337		$	16,302