Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2017	Sep. 30, 2017
Assets
Loans covered by FDIC loss share agreements	$ 53,388	$ 57,537
Loans and written loan commitments at fair value under the fair value option	980,144	1,016,576
Loan held for sale	5,757	7,456
Property held for sale	1,111	5,147
Property covered under FDIC loss share agreements	$ 86	$ 0
Stockholders’ equity
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	58,896,189	58,834,066
Common stock, shares outstanding (in shares)	58,896,189	58,834,066