Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Condensed Consolidated Balance Sheets
Loans held for sale at fair value	$ 5,888
Allowance for loans receivable	$ 11,243	$ 8,311
Stockholders' Equity:
Common stock, without par value (in dollars per share)
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	28,694,036	28,685,167
Common stock, shares outstanding	28,694,036	28,685,167
Preferred stock, stated value (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, without par value (in dollars per share)
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	41,625	41,625
Preferred stock, shares outstanding	41,625	41,625