Parent Company Financial Information (Schedule of Condensed Statements of Financial Condition) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Condensed Balance Sheet Statements, Captions [Line Items]
Investment securities, fair value	$ 182,206	$ 220,208
Other assets	2,333	2,299
Total assets	1,070,685	748,818
Junior subordinated debentures	9,279	9,279
Subordinated debt	9,750	9,750
Other liabilities	3,456	4,801
Total liabilities	975,845	693,330
Stockholders' equity	94,840	55,488	$ 63,908
Total liabilities and stockholders' equity	1,070,685	748,818
Parent Company [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Cash	1,354	75
Investment in subsidiary	112,150	74,243
Other assets	484	302
Total assets	113,988	74,620
Junior subordinated debentures	9,279	9,279
Subordinated debt	9,750	9,750
Other liabilities	119	103
Total liabilities	19,148	19,132
Stockholders' equity	94,840	55,488
Total liabilities and stockholders' equity	$ 113,988	$ 74,620