Note 24 - Parent Company Only Financial Information (Details) - Condensed Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
OPERATING ACTIVITIES:
Net income	$ 10,574	$ 24,306
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred tax benefit	4,251	(20,570)
Deferred tax valuation allowance	(120)	(21,856)
Depreciation	3,293	2,171
Stock compensation expense	539	468
Changes in operating assets and liabilities:
Net cash provided by operating activities	13,741	5,526
INVESTING ACTIVITIES:
Purchases of office properties and equipment	(4,652)	(3,820)
Merger consideration paid	(13,931)	(8,985)
Net cash used in investing activities	(37,691)	3,847
FINANCING ACTIVITIES:
Proceeds from other borrowings	1,850	18,163
Repayments of other borrowings	(1,151)	(5,250)
Proceeds from private placement		20,000
Proceeds from exercise of warrants		3,590
Proceeds from exercise of stock options	37	24
Repurchase of common stock	(256)	(5)
Payment for fractional shares, stock dividend		(7)
Net cash provided by financing activities	(37,005)	79,743
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(60,955)	89,116
CASH AND CASH EQUIVALENTS:
Beginning of period	113,086	23,970
End of period	52,131	113,086
Parent Company [Member]
OPERATING ACTIVITIES:
Net income	10,574	24,306
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed net income of Bank	(699)	(1,630)
Deferred tax benefit	(1,174)	(1,414)
Deferred tax valuation allowance		(913)
Depreciation	118	71
Stock compensation expense	539	126
Changes in operating assets and liabilities:
Other assets	247	(2,872)
Accrued expenses and other liabilities	87	2,005
Net cash provided by operating activities	9,692	19,679
INVESTING ACTIVITIES:
Purchases of office properties and equipment	(48)	(942)
Merger consideration paid	(10,100)	(50,000)
Investment in Bank		(11,001)
Net cash used in investing activities	(10,148)	(61,943)
FINANCING ACTIVITIES:
Proceeds from other borrowings	1,850	18,163
Repayments of other borrowings	(1,151)
Proceeds from private placement		20,000
Proceeds from exercise of warrants		3,590
Proceeds from exercise of stock options	37	24
Repurchase of common stock	(256)	(5)
Payment for fractional shares, stock dividend		(7)
Net cash provided by financing activities	480	41,765
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	24	(499)
CASH AND CASH EQUIVALENTS:
Beginning of period	94	593
End of period	$ 118	$ 94