Securities - Cost of Restricted Stock (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Total restricted stock	$ 5,362	$ 5,312	[1]
FRB Stock [Member]
Schedule of Investments [Line Items]
Total restricted stock	3,547	3,535
FHLB Stock [Member]
Schedule of Investments [Line Items]
Total restricted stock	$ 1,815	$ 1,777

[1] Derived from audited consolidated financial statements.