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Loans - Impaired Loans - Recorded Investment, Unpaid Principal Balance and Related Allowance (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Recorded Investment
With no related allowance recorded	$ 6,941	$ 14,855
With an allowance recorded	8,884	5,257
Total impaired loans	15,825	20,112
Unpaid Principal Balance
With no related allowance recorded	8,951	17,792
With an allowance recorded	9,360	5,257
Total impaired loans	18,311	23,049
Related Allowance
With an allowance recorded	498	144
Lease financing receivables
Recorded Investment
With no related allowance recorded		178
Unpaid Principal Balance
With no related allowance recorded		213
Real estate - commercial | Owner occupied general purpose
Recorded Investment
With no related allowance recorded	911	455
Unpaid Principal Balance
With no related allowance recorded	985	495
Real estate - commercial | Owner occupied special purpose
Recorded Investment
With no related allowance recorded	426	342
Unpaid Principal Balance
With no related allowance recorded	546	498
Real estate - commercial | Non-owner occupied general purpose
Recorded Investment
With no related allowance recorded	39	1,163
Unpaid Principal Balance
With no related allowance recorded	81	1,538
Real estate - commercial | Non-owner occupied special purpose
Recorded Investment
With an allowance recorded	3,099
Unpaid Principal Balance
With an allowance recorded	3,575
Related Allowance
With an allowance recorded	419
Real estate - commercial | Retail properties
Recorded Investment
With no related allowance recorded		1,081
Unpaid Principal Balance
With no related allowance recorded		1,177
Real estate - residential | Investor
Recorded Investment
With no related allowance recorded	371	372
With an allowance recorded	815	829
Unpaid Principal Balance
With no related allowance recorded	468	676
With an allowance recorded	815	829
Related Allowance
With an allowance recorded	10	10
Real estate - residential | Multifamily
Recorded Investment
With no related allowance recorded		4,723
Unpaid Principal Balance
With no related allowance recorded		4,965
Real estate - residential | Owner occupied
Recorded Investment
With no related allowance recorded	4,244	5,208
With an allowance recorded	3,646	3,443
Unpaid Principal Balance
With no related allowance recorded	5,769	6,680
With an allowance recorded	3,646	3,443
Related Allowance
With an allowance recorded	45	43
Real estate - residential | Revolving and junior liens
Recorded Investment
With no related allowance recorded	741	1,125
With an allowance recorded	1,321	985
Unpaid Principal Balance
With no related allowance recorded	860	1,313
With an allowance recorded	1,321	985
Related Allowance
With an allowance recorded	24	91
Consumer
Recorded Investment
With no related allowance recorded	16	7
With an allowance recorded	3
Unpaid Principal Balance
With no related allowance recorded	16	8
With an allowance recorded	3
Construction Loans | Real estate - commercial | All other
Recorded Investment
With no related allowance recorded	193	201
Unpaid Principal Balance
With no related allowance recorded	$ 226	$ 229

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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