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Fair Value Measurements (Details) - USD ($) | Jun. 30, 2016 | Dec. 31, 2015
--- | --- | ---
ASSETS |  |
Trading Securities | $ 799,000 | $ 356,000
Securities - available for sale | 389,824,000 | 367,249,000
Loans held for sale | 12,927,000 | 5,990,000
Derivative Asset, Fair Value, Gross Asset | 47,582,000 | 23,072,000
Recurring fair value measurements |  |
LIABILITIES |  |
TOTAL RECURRING FAIR VALUE MEASUREMENTS | 401,010,000 | 370,587,000
Recurring fair value measurements | Trading Securities [Member] |  |
ASSETS |  |
Trading Securities | 799,000 | 356,000
Recurring fair value measurements | U.S. Government agency securities |  |
ASSETS |  |
Securities - available for sale | 27,941,000 | 30,215,000
Recurring fair value measurements | Agency mortgage-backed securities |  |
ASSETS |  |
Securities - available for sale | 194,448,000 | 210,937,000
Recurring fair value measurements | Agency collateralized mortgage obligations |  |
ASSETS |  |
Securities - available for sale | 103,970,000 | 63,584,000
Recurring fair value measurements | Municipal Bonds [Member] |  |
ASSETS |  |
Securities - available for sale | 4,396,000 | 4,659,000
Recurring fair value measurements | Single issuer trust preferred securities issued by banks and insurers |  |
ASSETS |  |
Securities - available for sale | 2,264,000 | 2,792,000
Recurring fair value measurements | Pooled trust preferred securities issued by banks and insurers |  |
ASSETS |  |
Securities - available for sale | 1,506,000 | 1,572,000
Recurring fair value measurements | Small Business Administration Pooled Securities [Member] |  |
ASSETS |  |
Securities - available for sale | 40,464,000 | 40,449,000
Recurring fair value measurements | Equity securities |  |
ASSETS |  |
Securities - available for sale | 14,835,000 | 13,041,000
Recurring fair value measurements | Loans held for sale |  |
ASSETS |  |
Loans held for sale | 12,927,000 | 5,990,000
Recurring fair value measurements | Derivative Financial Instruments, Assets [Member] |  |
ASSETS |  |
Derivative Asset, Fair Value, Gross Asset | 48,118,000 | 23,305,000
Recurring fair value measurements | Derivative instruments |  |
LIABILITIES |  |
Liabilities, Fair Value Disclosure, Recurring | 50,658,000 | 26,313,000
Nonrecurring fair value measurements |  |
LIABILITIES |  |
TOTAL NONRECURRING FAIR VALUE MEASUREMENTS | 7,051,000 | 6,757,000
Nonrecurring fair value measurements | Collateral dependent impaired loans |  |
ASSETS |  |
Assets, Fair Value Disclosure, Nonrecurring | 5,206,000 | 4,598,000
Nonrecurring fair value measurements | Other real estate owned and other foreclosed assets |  |
ASSETS |  |
Assets, Fair Value Disclosure, Nonrecurring | 1,845,000 | 2,159,000
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements |  |
LIABILITIES |  |
TOTAL RECURRING FAIR VALUE MEASUREMENTS | 15,634,000 | 13,397,000
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Trading Securities [Member] |  |
ASSETS |  |
Trading Securities | 799,000 | 356,000
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Municipal Bonds [Member] |  |
ASSETS |  |
Securities - available for sale |  | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Small Business Administration Pooled Securities [Member] |  |
ASSETS |  |
Securities - available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Equity securities |  |
ASSETS |  |
Securities - available for sale | 14,835,000 | 13,041,000
Quoted Prices in Active Markets for Identical Assets (Level 1) | Nonrecurring fair value measurements |  |
LIABILITIES |  |
TOTAL NONRECURRING FAIR VALUE MEASUREMENTS | 0 | 0
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements |  |
LIABILITIES |  |
TOTAL RECURRING FAIR VALUE MEASUREMENTS | 383,870,000 | 355,618,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | U.S. Government agency securities |  |
ASSETS |  |
Securities - available for sale | 27,941,000 | 30,215,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Agency mortgage-backed securities |  |
ASSETS |  |
Securities - available for sale | 194,448,000 | 210,937,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Agency collateralized mortgage obligations |  |
ASSETS |  |
Securities - available for sale | 103,970,000 | 63,584,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Municipal Bonds [Member] |  |
ASSETS |  |
Securities - available for sale | 4,396,000 | 4,659,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Single issuer trust preferred securities issued by banks and insurers |  |
ASSETS |  |
Securities - available for sale | 2,264,000 | 2,792,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Small Business Administration Pooled Securities [Member] |  |
ASSETS |  |
Securities - available for sale | 40,464,000 | 40,449,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Loans held for sale |  |
ASSETS |  |
Securities - available for sale | 12,927,000 | 5,990,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Derivative Financial Instruments, Assets [Member] |  |
ASSETS |  |
Derivative Asset, Fair Value, Gross Asset | 48,118,000 | 23,305,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Derivative instruments |  |
LIABILITIES |  |
Liabilities, Fair Value Disclosure, Recurring | 50,658,000 | 26,313,000
Significant Other Observable Inputs (Level 2) | Nonrecurring fair value measurements |  |
LIABILITIES |  |
TOTAL NONRECURRING FAIR VALUE MEASUREMENTS | 0 | 0
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements |  |
LIABILITIES |  |
TOTAL RECURRING FAIR VALUE MEASUREMENTS | 1,506,000 | 1,572,000
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 | Municipal Bonds [Member] |  |
ASSETS |  |
Securities - available for sale |  | 0
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Pooled trust preferred securities issued by banks and insurers |  |
ASSETS |  |
Securities - available for sale | 1,506,000 | 1,572,000
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Small Business Administration Pooled Securities [Member] |  |
ASSETS |  |
Securities - available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Nonrecurring fair value measurements |  |
LIABILITIES |  |
TOTAL NONRECURRING FAIR VALUE MEASUREMENTS | 7,051,000 | 6,757,000
Significant Unobservable Inputs (Level 3) | Nonrecurring fair value measurements | Collateral dependent impaired loans |  |
ASSETS |  |
Assets, Fair Value Disclosure, Nonrecurring | 5,206,000 | 4,598,000
Significant Unobservable Inputs (Level 3) | Nonrecurring fair value measurements | Other real estate owned and other foreclosed assets |  |
ASSETS |  |
Assets, Fair Value Disclosure, Nonrecurring | $ 1,845,000 | $ 2,159,000

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