Derivative Financial Instruments (Narrative) (Details)	Feb. 05, 2016 USD ($) shares	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)
Derivative [Line Items]
Number of shares to be issued upon conversion | shares	73,394
Cash pledged as collateral		$ 7,600,000	$ 5,300,000
Not Designated as Hedging Instrument
Derivative [Line Items]
Cash pledged as collateral		1,700,000	0
Other liabilities
Derivative [Line Items]
Derivative, notional amount	$ 2,000,000
Fair Value Hedging | Interest Rate Swap
Derivative [Line Items]
Derivative, fixed interest rate				3.40%
Derivative, basis spread on LIBOR (as a percent)				0.88%
Derivative, notional amount				$ 13,800,000
Cash pledged as collateral		6,600,000
Back-to-back Loan Swaps | Interest Rate Swap
Derivative [Line Items]
Cash pledged as collateral		$ 2,300,000	$ 0