Securities (Details Textual) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019 USD ($) Securities	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) Securities	Sep. 30, 2018 USD ($)
Schedule Of Available For Sale Securities [Line Items]
Proceeds from the sale	$ 4,700	$ 4,500	$ 15,000	$ 7,100
Gross gains realized	19	1	43	7
Gross Losses realized	$ 4	28	61	31
Debt securities, unrealized losses			$ 590	14,200
Number of securities | Securities	593		593
Number of securities on unrealized loss position | Securities	80		80
ASU 2016-01 | Equity securities
Schedule Of Available For Sale Securities [Line Items]
Unrealized losses recognized in income statement for securities		$ 7
Unrealized gains recognized in income statement for securities	$ 7		$ 32	$ 35