Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Assets
Collateral pledged	$ 1,870	$ 1,320
Allowance for loan losses on Portfolio loans, covered under FDIC loss share	8,551	10,175
State tax credits, held for sale, carried at fair value	$ 4,774	$ 5,941
Shareholders' equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	20,234,235	20,093,119
Treasury stock, shares	255,018	76,000