Note 24 - Parent Company Only Financial Information (Details) - Condensed Statements of Financial Condition - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents (deposits in subsidiary Banks)	$ 52,131	$ 113,086	$ 23,970
Office properties and equipment, net	63,641	50,332
TOTAL	1,920,216	1,514,595
LIABILITIES AND STOCKHOLDERS’ EQUITY
Other borrowings	72,380	61,258
Stockholders’ equity	223,157	170,454	71,187
TOTAL	1,920,216	1,514,595
Parent Company [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents (deposits in subsidiary Banks)	118	94	$ 593
Office properties and equipment, net	668	871
Investment in Banks	237,418	184,792
Other assets	4,308	4,416
TOTAL	242,512	190,173
LIABILITIES AND STOCKHOLDERS’ EQUITY
Other borrowings	18,862	18,163
Accrued expenses and other liabilities	493	1,556
Stockholders’ equity	223,157	170,454
TOTAL	$ 242,512	$ 190,173