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Fair Value Measurements (Details 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Assets - Beginning balance	$ 10,023	$ 1,761
Realized gain included in earnings	59	186
Unrealized loss included in other comprehensive income	(20)
Purchases of available-for-sale securities		8,076
Assets - Ending balance	10,062	10,023
Liabilities - Beginning balance		10
Realized loss included in earnings		259
Liabilities - Ending balance		269
Investment Securities [Member]
Assets - Beginning balance	9,794	1,718
Unrealized loss included in other comprehensive income	(20)
Purchases of available-for-sale securities		8,076
Assets - Ending balance	9,774	9,794
Mortgage Banking Derivatives [Member]
Assets - Beginning balance	229	43
Realized gain included in earnings	59	186
Assets - Ending balance	288	229
Liabilities - Beginning balance	269	10
Realized loss included in earnings	(47)	259
Liabilities - Ending balance	$ 222	$ 269

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Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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