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Fair Value Measurements (Details) - USD ($) | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
ASSETS |  |
Trading Securities | $ 809,000 | $ 356,000
Securities - available for sale | 387,008,000 | 367,249,000
Loans held for sale | 13,334,000 | 5,990,000
Derivative Asset, Fair Value, Gross Asset | 41,905,000 | 23,072,000
Recurring fair value measurements |  |
LIABILITIES |  |
TOTAL RECURRING FAIR VALUE MEASUREMENTS | 399,867,000 | 370,587,000
Recurring fair value measurements | Trading Securities [Member] |  |
ASSETS |  |
Trading Securities | 809,000 | 356,000
Recurring fair value measurements | U.S. Government agency securities |  |
ASSETS |  |
Securities - available for sale | 25,306,000 | 30,215,000
Recurring fair value measurements | Agency mortgage-backed securities |  |
ASSETS |  |
Securities - available for sale | 185,573,000 | 210,937,000
Recurring fair value measurements | Agency collateralized mortgage obligations |  |
ASSETS |  |
Securities - available for sale | 108,596,000 | 63,584,000
Recurring fair value measurements | Municipal Bonds [Member] |  |
ASSETS |  |
Securities - available for sale | 4,360,000 | 4,659,000
Recurring fair value measurements | Single issuer trust preferred securities issued by banks and insurers |  |
ASSETS |  |
Securities - available for sale | 2,297,000 | 2,792,000
Recurring fair value measurements | Pooled trust preferred securities issued by banks and insurers |  |
ASSETS |  |
Securities - available for sale | 1,538,000 | 1,572,000
Recurring fair value measurements | Small Business Administration Pooled Securities [Member] |  |
ASSETS |  |
Securities - available for sale | 39,880,000 | 40,449,000
Recurring fair value measurements | Equity securities |  |
ASSETS |  |
Securities - available for sale | 19,458,000 | 13,041,000
Recurring fair value measurements | Loans held for sale |  |
ASSETS |  |
Loans held for sale | 13,334,000 | 5,990,000
Recurring fair value measurements | Derivative Financial Instruments, Assets [Member] |  |
ASSETS |  |
Derivative Asset, Fair Value, Gross Asset | 42,556,000 | 23,305,000
Recurring fair value measurements | Derivative instruments |  |
LIABILITIES |  |
Liabilities, Fair Value Disclosure, Recurring | 43,840,000 | 26,313,000
Nonrecurring fair value measurements |  |
LIABILITIES |  |
TOTAL NONRECURRING FAIR VALUE MEASUREMENTS | 4,854,000 | 6,757,000
Nonrecurring fair value measurements | Collateral dependent impaired loans |  |
ASSETS |  |
Assets, Fair Value Disclosure, Nonrecurring | 3,056,000 | 4,598,000
Nonrecurring fair value measurements | Other real estate owned and other foreclosed assets |  |
ASSETS |  |
Assets, Fair Value Disclosure, Nonrecurring | 1,798,000 | 2,159,000
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements |  |
LIABILITIES |  |
TOTAL RECURRING FAIR VALUE MEASUREMENTS | 20,267,000 | 13,397,000
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Trading Securities [Member] |  |
ASSETS |  |
Trading Securities | 809,000 | 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 | 19,458,000 | 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 | 378,062,000 | 355,618,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | U.S. Government agency securities |  |
ASSETS |  |
Securities - available for sale | 25,306,000 | 30,215,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Agency mortgage-backed securities |  |
ASSETS |  |
Securities - available for sale | 185,573,000 | 210,937,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Agency collateralized mortgage obligations |  |
ASSETS |  |
Securities - available for sale | 108,596,000 | 63,584,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Municipal Bonds [Member] |  |
ASSETS |  |
Securities - available for sale | 4,360,000 | 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 | 2,297,000 | 2,792,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Small Business Administration Pooled Securities [Member] |  |
ASSETS |  |
Securities - available for sale | 39,880,000 | 40,449,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Loans held for sale |  |
ASSETS |  |
Securities - available for sale | 13,334,000 | 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 | 42,556,000 | 23,305,000
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Derivative instruments |  |
LIABILITIES |  |
Liabilities, Fair Value Disclosure, Recurring | 43,840,000 | 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 | 1,538,000 | 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 | 1,538,000 | 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 | 4,854,000 | 6,757,000
Significant Unobservable Inputs (Level 3) | Nonrecurring fair value measurements | Collateral dependent impaired loans |  |
ASSETS |  |
Assets, Fair Value Disclosure, Nonrecurring | 3,056,000 | 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 | $ 1,798,000 | $ 2,159,000

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