Federal Home Loan Bank and Short-term Borrowings (Details)	12 Months Ended
	Dec. 31, 2018 USD ($) item	Dec. 31, 2017 USD ($)
Derivative [Line Items]
Number of interest rate swap designated as cash flow | item	3
Notional Value	$ 20,000,000
Term	5 years
Number of derivative become effect in july and august 2018 | item	2
Gain (Loss) on interest rate cash flow hedge ineffectiveness	$ 0
Assets/ Liabilities	295,000	$ 49,000
Unrealized Gain (Loss) AOCI	213,000	35,000
Interest expense recorded on these swap transactions	24,000	12,000
Fair value of cash or investment securities pledged as collateral	732,000	738,000
Interest Rate Swap On FHLB Advance [Member]
Derivative [Line Items]
Notional Value	$ 10,000,000
Pay Rate	2.105%
Receive Rate	3M LIBOR
Assets/ Liabilities	$ 164,000	30,000
Unrealized Gain (Loss) AOCI	118,000	21,000
Interest expense recorded on these swap transactions	15,000	12,000
Interest rate swap on FHLB advance maturing on July 2023
Derivative [Line Items]
Notional Value	$ 5,000,000
Pay Rate	2.235%
Receive Rate	3M LIBOR
Assets/ Liabilities	$ 66,000	10,000
Unrealized Gain (Loss) AOCI	48,000	7,000
Iinterest rate swap on FHLB advance maturing on August 2023
Derivative [Line Items]
Notional Value	$ 5,000,000
Pay Rate	2.246%
Receive Rate	3M LIBOR
Assets/ Liabilities	$ 65,000	9,000
Unrealized Gain (Loss) AOCI	47,000	$ 7,000
Forward Starting Interest Rate Swap Advance [Member]
Derivative [Line Items]
Interest expense recorded on these swap transactions	6,000
Forward Starting Interest Rate Swap Advance [Member]
Derivative [Line Items]
Interest expense recorded on these swap transactions	$ 4,000