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Interest Rate Swap Derivatives - Additional Information (Details)	1 Months Ended	12 Months Ended
	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Notional amount			$ 27,500,000
Unrealized gain (loss) on derivatives		$ 515,000	$ 3,800,000
Estimate of time to transfer from AOCI to interest income/expense for designated cash flow hedge derivatives		12 months
Aggregate Fair Value Of Derivative Contracts Net Contingent Liability		$ 500,000
Interest Rate Swap
Derivative, number of instruments held		1	3
Non Interest income due to termination of interest rate swap	$ 829,000
Estimated amount to be reclassified to interest expense (based on existing interest rates) for cash flow hedges		$ 12,000,000

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It represents the amounts of aggregate fair value of derivative contracts net contingent liability.

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Estimated period for the anticipated transfer of gain (loss), net, from accumulated other comprehensive income into earnings, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

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Nominal or face amount used to calculate payment on derivative.

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The number of derivative instruments of a particular group held by the entity.

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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