Troubled Debt Restructurings (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($) Investments	Sep. 30, 2017 USD ($) Investments
Summary of concession at the time of modification and the recorded investment in TDRs before and after their modification
Renewals deemed a concession	7	2
Reduced or deferred payments		1
Converted to interest only
Maturity date extensions
Total number of loans	7	3
Pre-modification outstanding recorded investment | $	$ 2,262	$ 1,354
Post-modification outstanding recorded investment | $	$ 2,793	$ 1,363
Commercial [Member] | Owner occupied RE [Member]
Summary of concession at the time of modification and the recorded investment in TDRs before and after their modification
Renewals deemed a concession	1
Reduced or deferred payments
Converted to interest only
Maturity date extensions
Total number of loans	1
Pre-modification outstanding recorded investment | $	$ 506
Post-modification outstanding recorded investment | $	$ 592
Commercial [Member] | Non-owner occupied RE [Member]
Summary of concession at the time of modification and the recorded investment in TDRs before and after their modification
Renewals deemed a concession		1
Reduced or deferred payments
Converted to interest only
Maturity date extensions
Total number of loans		1
Pre-modification outstanding recorded investment | $		$ 976
Post-modification outstanding recorded investment | $		$ 976
Commercial [Member] | Business [Member]
Summary of concession at the time of modification and the recorded investment in TDRs before and after their modification
Renewals deemed a concession	4	1
Reduced or deferred payments		1
Converted to interest only
Maturity date extensions
Total number of loans	4	2
Pre-modification outstanding recorded investment | $	$ 1,207	$ 378
Post-modification outstanding recorded investment | $	$ 1,532	$ 387
Consumer [Member] | Real estate [Member]
Summary of concession at the time of modification and the recorded investment in TDRs before and after their modification
Renewals deemed a concession	2
Reduced or deferred payments
Converted to interest only
Maturity date extensions
Total number of loans	2
Pre-modification outstanding recorded investment | $	$ 549
Post-modification outstanding recorded investment | $	$ 669