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Debt Securities, AFS, Principal Sold

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Debt Securities, HTM, Past Due Status

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Visa Restricted Stock Donated

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Visa Restricted Stock Owned at Fair Value

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Visa Restricted Stock Owned at Zero Cost

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Visa Restricted Stock Owned. Total

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No definition available.

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- Definition

Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).

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Amount of interest income on investment in debt security measured at amortized cost (held-to-maturity), on nonaccrual status.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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Amount of investment in equity security without readily determinable fair value.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Net gain (loss) resulting from the sales of securitized, pay-through debt securities collateralized by real estate mortgage loans (mortgages).

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

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Investment Securities (Details Textual) - USD ($)	3 Months Ended			12 Months Ended
Investment Securities (Details Textual) - USD ($)	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2019	Dec. 31, 2020
Investment Securities Information [Line Items]
Debt Securities, AFS, Principal Sold		$ 281,000,000
Gain (Loss) on Sales of Mortgage Backed Securities (MBS)		$ 6,000,000
Pledged Financial Instruments, Not Separately Reported, Securities	$ 1,500,000,000			$ 1,600,000,000
Interest receivable	86,466,000			90,263,000
Debt Securities, Held-to-maturity, Nonaccrual, Interest Income	0			0
Debt Securities, Held to Maturity, Past Due	0			0
Held to maturity allowance for credit loss	(63,000)			(67,000)
Federal Home Loan Bank Stock	82,000,000			82,000,000
Federal Reserve Bank Stock	87,000,000			87,000,000
Equity securities with readily determinable fair values, Fair Value	$ 2,000,000			2,000,000
Visa Restricted Stock Owned. Total	77,996
Visa Restricted Stock Owned at Fair Value	77,000
Visa Restricted Stock Donated			42,039
Visa Restricted Stock Owned at Zero Cost		996
Equity securities	$ 14,000,000			13,000,000
First Staunton Bancshares [Member]
Investment Securities Information [Line Items]
Carrying amount of Securities Sold		$ 84,000,000
Held-to-maturity Securities [Member]
Investment Securities Information [Line Items]
Interest receivable	12,000,000			14,000,000
Available-for-sale Securities [Member]
Investment Securities Information [Line Items]
Interest receivable	8,000,000			8,000,000
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member]
Investment Securities Information [Line Items]
Interest receivable	944,000			972,000
Federal Reserve Bank Stock [Member]
Investment Securities Information [Line Items]
Interest receivable	$ 370,000			$ 0