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Loans - TDR (Details)	3 Months Ended
Loans - TDR (Details)	Mar. 31, 2019 USD ($) contract	Mar. 31, 2018 USD ($) contract	Dec. 31, 2018 USD ($)
Troubled debt restructurings - modified during the period
# of contracts \| contract	4
Pre-modification recorded investment	$ 241,000	$ 407,000
Post-modification recorded investment	139,000	$ 315,000
TDR's defaulted
# of contracts \| contract		6
Pre-modification outstanding recorded investment during the period	0	$ 0
Other information
Total Past Due	$ 9,420,000		$ 13,358,000
Others [Member]
Troubled debt restructurings - modified during the period
# of contracts \| contract	1
Pre-modification recorded investment	$ 58,000	218,000
Post-modification recorded investment	$ 58,000	$ 217,000
TDR's defaulted
# of contracts \| contract		4
Home Affordable Modification Program [Member]
Troubled debt restructurings - modified during the period
# of contracts \| contract	1
Pre-modification recorded investment	$ 39,000
Post-modification recorded investment	34,000
Interest Rate Concession Below Normal Market [Member]
Troubled debt restructurings - modified during the period
Pre-modification recorded investment		$ 24,000
Post-modification recorded investment		$ 24,000
TDR's defaulted
# of contracts \| contract		1
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate Owner Occupied Special Purpose Loan [Member]
Other information
Total Past Due	2,620,000		961,000
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate, Owner Occupied General Purpose Loan [Member]
Other information
Total Past Due	439,000		1,801,000
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate, Non Owner Occupied General Purpose Loan [Member]
Other information
Total Past Due	$ 1,153,000		3,035,000
Residential Portfolio Segment [Member] \| Home Affordable Modification Program [Member]
Troubled debt restructurings - modified during the period
# of contracts \| contract	1
Pre-modification recorded investment	$ 105,000
Post-modification recorded investment	9,000
Residential Portfolio Segment [Member] \| Residential Investor Loan [Member]
Other information
Total Past Due	803,000		957,000
Residential Portfolio Segment [Member] \| Residential Investor Loan [Member] \| Deferral [Member]
Troubled debt restructurings - modified during the period
Pre-modification recorded investment		$ 165,000
Post-modification recorded investment		$ 74,000
TDR's defaulted
# of contracts \| contract		1
Residential Portfolio Segment [Member] \| Residential Owner Occupied Loan [Member]
Other information
Total Past Due	$ 292,000		1,946,000
Residential Portfolio Segment [Member] \| Residential Revolving and Junior Liens Loan [Member] \| Others [Member]
Troubled debt restructurings - modified during the period
# of contracts \| contract	1
Pre-modification recorded investment	$ 39,000
Post-modification recorded investment	38,000
Commercial Portfolio Segment [Member]
Other information
Total Past Due	10,000		410,000
90 Days or Greater Past Due
Other information
Total Past Due	$ 4,000		917,000
90 Days or Greater Past Due \| Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate, Owner Occupied General Purpose Loan [Member]
Other information
Total Past Due			33,000
90 Days or Greater Past Due \| Commercial Portfolio Segment [Member]
Other information
Total Past Due			$ 352,000