The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Name:	us-gaap_RetainedEarningsAccumulatedDeficit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Note 2 - Accounting Policies (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Loans and Leases Receivable, Allowance, Ending Balance	$ 24,529	$ 24,804		$ 19,484	$ 20,117	$ 20,477	$ 21,351
Reserve for Unfunded Commitments			$ 2,160
Retained Earnings (Accumulated Deficit), Ending Balance	$ 246,958			$ 239,135
Accounting Standards Update 2016-13 [Member]
Loans and Leases Receivable, Allowance, Ending Balance			(2,017)
Retained Earnings (Accumulated Deficit), Ending Balance			52
Accounting Standards Update 2016-13 [Member] \| Unfunded Loan Commitment [Member]
Reserve for Unfunded Commitments			$ 2,107