Note 11 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

	Year Ended December 31 ,
	201 7		201 6		201 5
	(In thousands )
Current :
Federal	$	59,433	$	28,788	$	31,587
State		28,278		22,364		26,396
Total Current	$	87,711	$	51,152	$	57,983
Deferred :
Federal	$	31,818		11,775	$	3,738
State		2,736		4,174		(1,734	)
Total Deferred	$	34,554	$	15,949	$	2,004
Total income tax expense	$	122,265	$	67,101	$	59,987

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

	As of December 31 ,
	201 7			201 6
	(In thousands )
Deferred Tax Asset s
Loan loss allowance, due to differences in computation of bad debts	$	37,157		$	51,192
Share-based compensation		2,630			4,729
Accrual for bonuses		630			6,095
Non-accrual interest		2,100			4,246
Write-down on equity securities and venture capital investments		2,561			4,437
Depreciation and amortization		1,564			8,334
State tax		6,783			6,426
Unrealized loss on interest rate swaps		1,158			1,763
Unrealized loss on securities available-for-sale, net		-			1,121
Investment in affordable housing partnerships		580			-
Basis difference in acquired assets		1,676			-
Tax credits carried forward		9,278			-
Net operating loss carried forward		18,375			-
Other, net		3,279			3,598
Gross deferred tax assets		87,771			91,941
Deferred Tax Liabilities
Deferred loan costs		(7,655	)		(8,695	)
Investment in affordable housing partnerships		-			(2,659	)
Basis difference in acquired assets		-			(4,841	)
Dividends on Federal Home Loan Bank common stock		(1,021	)		(1,322	)
Other, net		(3,758	)		(3,228	)
Gross deferred tax liabilities		(12,434	)		(20,745	)
Net deferred tax assets	$	75,337		$	71,196

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

	Year Ended December 31 ,
	201 7					201 6					201 5
	(Dollars in thousands )
Tax provision at Federal statutory rate	$	104,407		35.0	%	$	84,770		35.0	%	$	77,384		35.0	%
State income taxes, net of Federal income tax benefit		20,616		6.9			17,250		7.1			14,656		6.6
Deferred taxes write-down due to Tax Cuts and Jobs Act		23,365		7.8			-		-			-		-
Excess deduction for stock option and RSUs		(3,146	)	(1.0	)		-		-			-		-
Non-taxable bargain purchase gain		(1,970	)	(0.7	)		-		-			-		-
Low income housing and other tax credits		(20,656	)	(6.9	)		(37,901	)	(15.6	)		(30,986	)	(14.0	)
Non-deductible stock options expense		-		-			3,469		1.4			-		-
Other, net		(351	)	(0.1	)		(487	)	(0.2	)		(1,067	)	(0.5	)
Total income tax expense	$	122,265		41.0	%	$	67,101		27.7	%	$	59,987		27.1	%