Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Allowance for credit loss	$ 21	$ 2
Investment securities held to maturity, fair value	96,174	93,868
Allowance for credit loss	$ 137	$ 0
Common stock, par value (in usd per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	50,732,384	50,610,681
Common stock, shares outstanding (in shares)	50,601,349	50,479,646
Treasury shares (in shares)	131,035	131,035

Face amount per share of no-par value common stock.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Amount excluding accrued interest, of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, excluding accrued interest, of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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