Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Allowance for Credit Losses	$ (144)	$ (2)
Investment securities held to maturity, fair value	$ 87,215	$ 93,868
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)	50,729,527	50,610,681
Common stock, shares outstanding (in shares)	50,598,492	50,479,646
Treasury shares (in shares)	131,035	131,035