Derivative Financial Instruments - Schedule of Notional Amount and Fair Value of Derivative Instruments Included on Company's Consolidated Balance Sheets on a net Basis (Details) - Derivatives Designated as Hedging Instruments [Member] - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Derivatives Fair Value [Line Items]
Estimated Fair Value Gain (Loss)	[1]	$ (2,610)	$ 301
Fair Value Hedging [Member]
Derivatives Fair Value [Line Items]
Estimated Fair Value Gain (Loss)	[1]	(837)	307
Fair Value Hedging [Member] | Interest Rate Swaps Related to Fixed Rate Commercial Real Estate Loans [Member]
Derivatives Fair Value [Line Items]
Notional Amount		20,000	20,000
Estimated Fair Value Gain (Loss)	[1]	(837)	307
Cash Flow Hedging [Member]
Derivatives Fair Value [Line Items]
Estimated Fair Value Gain (Loss)	[1]	(1,773)	(6)
Cash Flow Hedging [Member] | Interest Rate Swaps Related to Variable-Rate Money Market Deposit Accounts [Member]
Derivatives Fair Value [Line Items]
Notional Amount		20,000	20,000
Estimated Fair Value Gain (Loss)	[1]	(1,337)	(162)
Cash Flow Hedging [Member] | Interest Rate Swaps Related to FHLB Advances [Member]
Derivatives Fair Value [Line Items]
Notional Amount		10,000	10,000
Estimated Fair Value Gain (Loss)	[1]	$ (436)	$ 156

[1] Derivatives in a gain position are recorded as other assets and derivatives in a loss position are recorded as other liabilities on the consolidated balance sheets.