Note 8 - Deposits (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Summary of Deposits [Table Text Block]

	As of December 31,
	2016		2015
	(In thousands)
Demand	$	2,478,107	$	2,033,048
NOW accounts		1,230,445		966,404
Money market accounts		2,198,938		1,905,719
Saving accounts		719,949		618,164
Time deposits		5,047,287		4,985,752
Total	$	11,674,726	$	10,509,087

Schedule of Maturities for Time Deposits [Table Text Block]

	Expected Maturity Date at December 31,
	2017		2018		2019		2020		2021		Thereafter		Total
	(In thousands)
Time deposits	$	4,597,359	$	371,713	$	75,266	$	2,899	$	39	$	11	$	5,047,287

Summary of Interest Expense on Deposits [Table Text Block]

	Year Ended December 31,
	2016		2015		2014
	(In thousands)
Interest bearing demand	$	1,740	$	1,406	$	1,229
Money market accounts		13,308		10,138		8,627
Saving accounts		1,046		901		802
Time deposits		43,327		39,443		35,111
Total	$	59,421	$	51,888	$	45,769