Consolidated Statement of Financial Condition (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Consolidated Statement of Financial Condition [Abstract]
Held-to-maturity securities, fair value	$ 71,707	$ 77,612
Common stock, Par value	$ 0.01	$ 0.01
Common Stock, Shares Authorized	25,000,000	25,000,000
Common Stock, Shares, Issued	6,617,941	6,992,911
Common Stock, Shares, Outstanding	6,617,941	6,992,911