CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Securities held-to-maturity
Allowance for credit losses	$ (55)
Securities held-to-maturity, fair value (in dollars)	$ 303,996	$ 368,107
Preferred stock
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	59,914,987	59,368,156
Common stock, shares outstanding	59,914,987	59,368,156