Acquisitions (Business Acquisition, Pro Forma Information) (Details) - Universal Bancorp [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Net interest income	$ 16,417	$ 48,900
Provision for loan losses	(570)	(1,520)
Net interest income after provision	15,847	47,380
Non-interest income	5,039	14,556
Non-interest expense	(14,574)	(49,532)
Income before income taxes	6,312	12,404
Income tax benefit (expense)	(910)	(1,286)
Net income to common shareholders	$ 5,402	$ 11,118
Basic earnings per share	$ 0.63	$ 1.30
Diluted earnings per share	$ 0.62	$ 1.27