Consolidated Balance Sheets (Parentheticals) $ in Thousands	Mar. 31, 2020 USD ($) shares
Assets
Available-for-sale Securities, Amortized Cost Basis | $	$ 932,179
Debt Securities, Held-to-maturity, Fair Value | $	$ 40,682
Stockholders’ equity
Preferred Stock, Shares Authorized	50,000
Preferred Stock, Shares Issued	0
Common Stock, Shares Authorized	24,000,000
Common Stock, Shares, Issued	21,162,702
Treasury Stock, Shares	865,998