Amount of deposits liabilities assumed at the acquisition date.

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The amount of fair value discount of loans acquired as part of a business combination.

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The amount of investment securities recognized as of the acquisition date.

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The amount of loans recognized as of the acquisition date.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Number of shares of equity interests issued or issuable to acquire entity.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Amount of assets acquired at the acquisition date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Note 10 - Acquisition (Details Textual) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended	5 Months Ended	6 Months Ended
	Jan. 31, 2019	Jan. 31, 2019	Jun. 30, 2019	Jun. 30, 2019	Jun. 30, 2019	Jun. 30, 2018
Payments to Acquire Businesses, Gross	$ 15,300
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	1,834,142				1,834,142
Amortization of Intangible Assets, Total					$ 337	$ 110
Merchants Holding Company [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total			$ 211,660	$ 211,660	211,660
Bank of Commerce [Member] \| Merchants Holding Company [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	10.00%	10.00%
Merchants Holding Company [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total	$ 211,700	$ 211,700	215,018	215,018	215,018
Payments to Acquire Businesses, Gross		$ 15,300			15,300
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		1,834,142
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans	85,300	$ 85,300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deposits	190,200	190,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Investment Securities	107,400	107,400
Goodwill, Ending Balance	11,000	11,000	11,043	11,043	11,043
Goodwill, Purchase Accounting Adjustments				4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Discount of Loans	2,300	2,300
Amortization of Debt Discount (Premium)			195		243
Business Combination, Acquisition Related Costs			376		2,300
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual			1,200	$ 2,200
Merchants Holding Company [Member] \| Core Deposits [Member]
Finite-Lived Intangible Assets, Gross, Total	$ 4,400	$ 4,400
Finite-Lived Intangible Asset, Useful Life		8 years
Impairment of Intangible Assets, Finite-lived					0
Amortization of Intangible Assets, Total			$ 136		$ 227