Derivative Financial Instruments Part 1 (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015 USD ($) Contract	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) Contract	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($) Contract
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Notional amount of mirror-image derivative contracts	$ 60,000		$ 60,000
Period for which cash flow hedges will be used to hedge quarterly interest payments			5 years
Derivative inception date			Dec. 31, 2014
Derivative maturity date			Dec. 31, 2019
Description of variable rate basis for derivative			three-month LIBOR
Swap fixed interest rate to be paid (in hundredths)	1.66%		1.66%
Accumulated net, after tax (loss) gain included in other comprehensive loss			$ (37)		$ 136
The period over which OCI will be reclassified as interest expense			12 months
Estimated amount to be reclassified as an increase to interest expense	$ 704		$ 704
Derivatives not Designated as Hedging Instruments [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Net positive ineffectiveness on MSR fair value	2,100	$ 546	3,400	$ 2,400
Derivatives not Designated as Hedging Instruments [Member] | Forward Contracts [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet obligations	248,000		248,000		142,000
Valuation adjustment	2,000		2,000		(1,000)
Derivatives not Designated as Hedging Instruments [Member] | Interest Rate Lock Commitments [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet obligations	187,400		187,400		88,400
Valuation adjustment	1,600		1,600		1,300
Derivatives not Designated as Hedging Instruments [Member] | Interest Rate Swap [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Notional amount of mirror-image derivative contracts	348,000		348,000		349,400
Termination value of derivatives	1,900		1,900		$ 1,900
Collateral Posted	$ 2,000		$ 2,000
Derivatives not Designated as Hedging Instruments [Member] | Beneficiary [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Number of risk participation agreements | Contract	3		3		3
Aggregate notional amount of credit risk participation agreements	$ 18,800		$ 18,800		$ 19,100
Derivatives not Designated as Hedging Instruments [Member] | Guarantor [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Number of risk participation agreements | Contract	1		1		1
Aggregate notional amount of credit risk participation agreements	$ 6,000		$ 6,000		$ 6,200