Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Statement Of Financial Position [Abstract]
Allowance for loan losses	$ 13,281	$ 12,387
Common stock, par value	$ 0.01	$ 0.01
Common stock, Authorized	20,000,000	20,000,000
Common stock, shares Issued	8,603,462	7,389,394
Common stock, shares outstanding	8,603,462	7,389,394