Derivative Financial Instruments (Narrative) (Details) $ in Thousands	1 Months Ended		6 Months Ended
	Mar. 31, 2016 USD ($) contract	Jul. 31, 2009 USD ($) contract	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)
Derivative [Line Items]
Interest rate swap fair value			$ (1,100)	$ (66)
Securities pledged as collateral			2,000
Loss on derivative			1,100
Deferred tax asset on gain on derivative			$ 423
Cash flow hedge ineffectiveness			0
Interest Rate Swap [Member]
Derivative [Line Items]
Interest rate swap notional amount	$ 30,000	$ 20,000
Number of interest rate swap contracts | contract	4	3
Swap Contract - 3-Year $5 million [Member]
Derivative [Line Items]
Interest rate swap notional amount	$ 5,000
Derivative, maturity date	Jun. 17, 2019
Swap Contract - 5-Year $5 million [Member]
Derivative [Line Items]
Interest rate swap notional amount	$ 5,000
Derivative, maturity date	Mar. 17, 2021
Swap Contract - 7-Year $5 million II [Member]
Derivative [Line Items]
Interest rate swap notional amount	$ 5,000
Derivative, maturity date	Mar. 17, 2023
Swap Contract - 10-Year $15 million [Member]
Derivative [Line Items]
Interest rate swap notional amount	$ 15,000
Derivative, maturity date	Mar. 17, 2026