Note 11 - 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:
Federal	$	28,788	$	31,587		$	36,180
State		22,364		26,396			14,481
Total Current	$	51,152	$	57,983		$	50,661
Deferred:
Federal	$	11,775	$	3,738		$	23,783
State		4,174		(1,734	)		7,521
Total Deferred	$	15,949	$	2,004		$	31,304
Total income tax expense	$	67,101	$	59,987		$	81,965

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

	As of December 31,
	2016			2015
	(In thousands)
Deferred Tax Assets
Loan loss allowance, due to differences in computation of bad debts	$	51,192		$	59,639
Share-based compensation		4,729			7,513
Accrual for bonuses		6,095			4,984
Non-accrual interest		4,246			4,929
Accrual for litigation		-			3,209
Write-down on equity securities and venture capital investments		4,437			3,981
Depreciation and amortization		8,334			2,917
State tax		6,426			4,802
Unrealized loss on interest rate swaps		1,763			2,173
Unrealized loss on securities available-for-sale, net		1,121			3,940
Other, net		3,598			2,127
Gross deferred tax assets		91,941			100,214
Deferred Tax Liabilities
Deferred loan costs		(8,695	)		-
Investment in affordable housing partnerships		(2,659	)		(1,444	)
Basis difference in acquired assets		(4,841	)		(4,947	)
Dividends on Federal Home Loan Bank common stock		(1,322	)		(1,322	)
Other, net		(3,228	)		(1,937	)
Gross deferred tax liabilities		(20,745	)		(9,650	)
Net deferred tax assets	$	71,196		$	90,564

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

	Year Ended December 31,
	2016					2015					2014
	(Dollars in thousands)
Tax provision at Federal statutory rate	$	84,770		35.0	%	$	77,384		35.0	%	$	76,928		35.0	%
State income taxes, net of Federal income tax benefit		17,250		7.1			14,656		6.6			14,324		6.6
Low income housing and other tax credits		(37,901	)	(15.6	)		(30,986	)	(14.0	)		(10,014	)	(4.6	)
Non-deductible stock options expense		3,469		1.4			-		-			-		-
Other, net		(487	)	(0.2	)		(1,067	)	(0.5	)		727		0.3
Total income tax expense	$	67,101		27.7	%	$	59,987		27.1	%	$	81,965		37.3	%