Acquisitions and FDIC Indemnification Asset (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered					$ 1,458	$ 1,530	$ 1,598	$ 1,896
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion		$ 0	$ 0
Loans and Leases Receivable, Disposals	$ (35)	(16)	(107)	$ (314)
Total Covered Assets	10,293	1,582	10,293	1,582
Consumer Loan [Member]
Business Acquisition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered					0	0	0	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion		0	0
Loans and Leases Receivable, Disposals	0	0	0	0
Total Covered Assets	260	0	260	0
Commercial Loan [Member]
Business Acquisition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered					$ 1,458	$ 1,530	$ 1,598	$ 1,896
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion		0	0
Loans and Leases Receivable, Disposals	(35)	(16)	(107)	(314)
Total Covered Assets	$ 10,033	$ 1,582	$ 10,033	$ 1,582