Acquisitions (Business Acquisition, Pro Forma Information) (Details) - Universal Bancorp [Member] $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) $ / shares
Net interest income	$ 15,875
Provision for loan losses	(450)
Net interest income after provision	15,425
Non-interest income	4,713
Non-interest expense	(18,795)
Income before income taxes	1,343
Income tax benefit (expense)	208
Net income to common shareholders	$ 1,551
Basic earnings per share | $ / shares	$ 0.18
Diluted earnings per share | $ / shares	$ 0.18