Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Document Period End Date	Sep. 30, 2014
ASSETS
Securities available for sale	$ 361,455	$ 356,862
Derivative Asset, Fair Value, Gross Asset	18,860	16,697
Recurring fair value measurements
ASSETS
TOTAL RECURRING FAIR VALUE MEASUREMENTS	368,407	356,314
Recurring fair value measurements | U.S. Government agency securities
ASSETS
Securities available for sale	41,287	40,449
Recurring fair value measurements | Agency mortgage-backed securities
ASSETS
Securities available for sale	229,204	234,591
Recurring fair value measurements | Agency collateralized mortgage obligations
ASSETS
Securities available for sale	65,586	58,153
Recurring fair value measurements | Municipal Bonds [Member]
ASSETS
Securities available for sale	5,253	5,412
Recurring fair value measurements | Single issuer trust preferred securities issued by banks
ASSETS
Securities available for sale	2,923	2,952
Recurring fair value measurements | Pooled trust preferred securities issued by banks and insurers
ASSETS
Securities available for sale	5,386	3,841
Recurring fair value measurements | Equity securities
ASSETS
Securities available for sale	11,816	11,464
Recurring fair value measurements | Loans held for sale
ASSETS
Disposal Group, Including Discontinued Operation, Mortgage Loans	12,580	8,882
Recurring fair value measurements | Derivative Financial Instruments, Assets [Member]
ASSETS
Derivative Asset, Fair Value, Gross Asset	19,150	16,965
Recurring fair value measurements | Derivative instruments
LIABILITIES
Liabilities, Fair Value Disclosure, Recurring	24,778	26,395
Nonrecurring fair value measurements
ASSETS
TOTAL NONRECURRING FAIR VALUE MEASUREMENTS	19,246	17,961
Nonrecurring fair value measurements | Collateral dependent impaired loans
ASSETS
Assets, Fair Value Disclosure, Nonrecurring	9,614	10,328
Nonrecurring fair value measurements | Other real estate owned and other foreclosed assets
ASSETS
Assets, Fair Value Disclosure, Nonrecurring	9,632	7,633
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements
ASSETS
TOTAL RECURRING FAIR VALUE MEASUREMENTS	11,816	11,464
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | U.S. Government agency securities
ASSETS
Securities available for sale
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Agency mortgage-backed securities
ASSETS
Securities available for sale
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Agency collateralized mortgage obligations
ASSETS
Securities available for sale
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Municipal Bonds [Member]
ASSETS
Securities available for sale
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Single issuer trust preferred securities issued by banks
ASSETS
Securities available for sale
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Pooled trust preferred securities issued by banks and insurers
ASSETS
Securities available for sale
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Equity securities
ASSETS
Securities available for sale	11,816	11,464
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Loans held for sale
ASSETS
Disposal Group, Including Discontinued Operation, Mortgage Loans
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Derivative Financial Instruments, Assets [Member]
ASSETS
Derivative Asset, Fair Value, Gross Asset
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Derivative instruments
LIABILITIES
Liabilities, Fair Value Disclosure, Recurring
Quoted Prices in Active Markets for Identical Assets (Level 1) | Nonrecurring fair value measurements
ASSETS
TOTAL NONRECURRING FAIR VALUE MEASUREMENTS
Quoted Prices in Active Markets for Identical Assets (Level 1) | Nonrecurring fair value measurements | Collateral dependent impaired loans
ASSETS
Assets, Fair Value Disclosure, Nonrecurring
Quoted Prices in Active Markets for Identical Assets (Level 1) | Nonrecurring fair value measurements | Other real estate owned and other foreclosed assets
ASSETS
Assets, Fair Value Disclosure, Nonrecurring
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements
ASSETS
TOTAL RECURRING FAIR VALUE MEASUREMENTS	351,205	341,009
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | U.S. Government agency securities
ASSETS
Securities available for sale	41,287	40,449
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Agency mortgage-backed securities
ASSETS
Securities available for sale	229,204	234,591
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Agency collateralized mortgage obligations
ASSETS
Securities available for sale	65,586	58,153
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Municipal Bonds [Member]
ASSETS
Securities available for sale		5,412
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Single issuer trust preferred securities issued by banks
ASSETS
Securities available for sale	2,923	2,952
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Pooled trust preferred securities issued by banks and insurers
ASSETS
Securities available for sale
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Equity securities
ASSETS
Securities available for sale
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Loans held for sale
ASSETS
Securities available for sale	12,580	8,882
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Derivative Financial Instruments, Assets [Member]
ASSETS
Derivative Asset, Fair Value, Gross Asset	19,150	16,965
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Derivative instruments
LIABILITIES
Liabilities, Fair Value Disclosure, Recurring	24,778	26,395
Significant Other Observable Inputs (Level 2) | Nonrecurring fair value measurements
ASSETS
TOTAL NONRECURRING FAIR VALUE MEASUREMENTS
Significant Other Observable Inputs (Level 2) | Nonrecurring fair value measurements | Collateral dependent impaired loans
ASSETS
Assets, Fair Value Disclosure, Nonrecurring
Significant Other Observable Inputs (Level 2) | Nonrecurring fair value measurements | Other real estate owned and other foreclosed assets
ASSETS
Assets, Fair Value Disclosure, Nonrecurring
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements
ASSETS
TOTAL RECURRING FAIR VALUE MEASUREMENTS	5,386	3,841
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | U.S. Government agency securities
ASSETS
Securities available for sale
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Agency mortgage-backed securities
ASSETS
Securities available for sale
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Agency collateralized mortgage obligations
ASSETS
Securities available for sale
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Municipal Bonds [Member]
ASSETS
Securities available for sale
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Single issuer trust preferred securities issued by banks
ASSETS
Securities available for sale
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Equity securities
ASSETS
Securities available for sale
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Loans held for sale
ASSETS
Disposal Group, Including Discontinued Operation, Mortgage Loans
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Derivative Financial Instruments, Assets [Member]
ASSETS
Derivative Asset, Fair Value, Gross Asset
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Derivative instruments
LIABILITIES
Liabilities, Fair Value Disclosure, Recurring
Significant Unobservable Inputs (Level 3) | Nonrecurring fair value measurements
ASSETS
TOTAL NONRECURRING FAIR VALUE MEASUREMENTS	19,246	17,961
Significant Unobservable Inputs (Level 3) | Nonrecurring fair value measurements | Collateral dependent impaired loans
ASSETS
Assets, Fair Value Disclosure, Nonrecurring	9,614	10,328
Significant Unobservable Inputs (Level 3) | Nonrecurring fair value measurements | Other real estate owned and other foreclosed assets
ASSETS
Assets, Fair Value Disclosure, Nonrecurring	9,632	7,633
Other Assets [Member]
ASSETS
Derivative Asset, Fair Value, Gross Asset	$ 19,150	$ 16,965