Note 11 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

	Year Ended December 31,
	2018		2017		2016
	(In thousands)
Current:
Federal	$	26,820	$	59,433	$	28,788
State		36,639		28,278		22,364
Total Current	$	63,459	$	87,711	$	51,152
Deferred:
Federal	$	1,495	$	31,818		11,775
State		848		2,736		4,174
Total Deferred	$	2,343	$	34,554	$	15,949
Total income tax expense	$	65,802	$	122,265	$	67,101

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

	As of December 31,
	2018			2017
	(In thousands)
Deferred Tax Assets
Loan loss allowance, due to differences in computation of bad debts	$	37,567		$	37,157
Share-based compensation		3,260			2,630
Non-accrual interest		2,277			2,100
Write-down on equity securities and venture capital investments		2,095			2,561
Depreciation and amortization		3,798			1,564
State tax		4,344			6,783
Unrealized loss on interest rate swaps		190			1,158
Unrealized loss on securities available-for-sale, net		3,864			198
Unrealized loss on equity securities		843			-
Basis difference in acquired assets		622			1,676
Tax credits carried forward		9,473			9,278
Net operating loss carried forward		17,163			18,375
Other, net		4,095			4,291
Gross deferred tax assets		89,591			87,771
Deferred Tax Liabilities
Deferred loan costs		(8,839	)		(7,655	)
Dividends on Federal Home Loan Bank common stock		(956	)		(1,021	)
Other, net		(4,008	)		(3,758	)
Gross deferred tax liabilities		(13,803	)		(12,434	)
Net deferred tax assets	$	75,788		$	75,337

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

	Year Ended December 31,
	2018					2017					2016
	(Dollars in thousands)
Tax provision at Federal statutory rate	$	70,914		21.0	%	$	104,407		35.0	%	$	84,770		35.0	%
State income taxes, net of Federal income tax benefit		29,750		8.8			20,616		6.9			17,250		7.1
Deferred taxes write-down due to Tax Cuts and Jobs Act		-		-			23,365		7.8			-		-
Excess deduction for stock option and RSUs		(555	)	(0.2	)		(3,146	)	(1.0	)		-		-
Non-taxable bargain purchase gain		(71	)	-			(1,970	)	(0.7	)		-		-
Low income housing and other tax credits		(34,517	)	(10.2	)		(20,656	)	(6.9	)		(37,901	)	(15.6	)
Non-deductible stock options expense		-		-			-		-			3,469		1.4
Other, net		281		0.1			(351	)	(0.1	)		(487	)	(0.2	)
Total income tax expense	$	65,802		19.5	%	$	122,265		41.0	%	$	67,101		27.7	%