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Fair Value Measurements (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
ASSETS |  |
Trading | $ 1,598 | $ 1,324
Trading Securities, Equity | 20,133 | 0
Available for sale | 442,929 | 447,498
Loans held for sale (at fair value) | 9,614 | 4,768
Derivative Asset, Fair Value, Gross Asset | 26,392 | 17,318
Recurring fair value measurements |  |
LIABILITIES |  |
TOTAL RECURRING FAIR VALUE MEASUREMENTS | 476,478 | 455,373
Recurring fair value measurements | Trading Securities [Member] |  |
ASSETS |  |
Trading | 1,598 | 1,324
Recurring fair value measurements | Equity securities |  |
ASSETS |  |
Trading Securities, Equity | 20,133 |
Available for sale |  | 20,584
Recurring fair value measurements | U.S. Government agency securities |  |
ASSETS |  |
Available for sale | 32,719 | 35,430
Recurring fair value measurements | Agency mortgage-backed securities |  |
ASSETS |  |
Available for sale | 214,989 | 215,764
Recurring fair value measurements | Agency collateralized mortgage obligations |  |
ASSETS |  |
Available for sale | 145,147 | 122,012
Recurring fair value measurements | Municipal Bonds [Member] |  |
ASSETS |  |
Available for sale | 1,996 | 2,274
Recurring fair value measurements | Single issuer trust preferred securities issued by banks and insurers |  |
ASSETS |  |
Available for sale | 1,329 | 2,016
Recurring fair value measurements | Pooled trust preferred securities issued by banks and insurers |  |
ASSETS |  |
Available for sale | 1,751 | 1,640
Recurring fair value measurements | Small Business Administration Pooled Securities [Member] |  |
ASSETS |  |
Available for sale | 44,998 | 47,778
Recurring fair value measurements | Loans held for sale |  |
ASSETS |  |
Loans held for sale (at fair value) | 9,614 | 4,768
Recurring fair value measurements | Derivative Financial Instruments, Assets [Member] |  |
ASSETS |  |
Derivative Asset, Fair Value, Gross Asset | 26,703 | 17,476
Recurring fair value measurements | Derivative instruments |  |
LIABILITIES |  |
Liabilities, Fair Value Disclosure, Recurring | 24,499 | 15,693
Nonrecurring fair value measurements |  |
LIABILITIES |  |
TOTAL NONRECURRING FAIR VALUE MEASUREMENTS | 35,977 | 34,179
Nonrecurring fair value measurements | Collateral dependent impaired loans |  |
ASSETS |  |
Assets, Fair Value Disclosure, Nonrecurring | 35,732 | 33,567
Nonrecurring fair value measurements | Other real estate owned and other foreclosed assets |  |
ASSETS |  |
Assets, Fair Value Disclosure, Nonrecurring | 245 | 612
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements |  |
LIABILITIES |  |
TOTAL RECURRING FAIR VALUE MEASUREMENTS | 21,731 | 21,908
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Trading Securities [Member] |  |
ASSETS |  |
Trading | 1,598 | 1,324
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Equity securities |  |
ASSETS |  |
Trading Securities, Equity | 20,133 |
Available for sale |  | 20,584
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring fair value measurements | Municipal Bonds [Member] |  |
ASSETS |  |
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 |  |
Available for sale | 0 | 0
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 | 452,996 | 431,825
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Equity securities |  |
ASSETS |  |
Trading Securities, Equity | 0 |
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | U.S. Government agency securities |  |
ASSETS |  |
Available for sale | 32,719 | 35,430
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Agency mortgage-backed securities |  |
ASSETS |  |
Available for sale | 214,989 | 215,764
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Agency collateralized mortgage obligations |  |
ASSETS |  |
Available for sale | 145,147 | 122,012
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Municipal Bonds [Member] |  |
ASSETS |  |
Available for sale | 1,996 | 2,274
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Single issuer trust preferred securities issued by banks and insurers |  |
ASSETS |  |
Available for sale | 1,329 | 2,016
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Small Business Administration Pooled Securities [Member] |  |
ASSETS |  |
Available for sale | 44,998 | 47,778
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Loans held for sale |  |
ASSETS |  |
Available for sale | 9,614 | 4,768
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Derivative Financial Instruments, Assets [Member] |  |
ASSETS |  |
Derivative Asset, Fair Value, Gross Asset | 26,703 | 17,476
Significant Other Observable Inputs (Level 2) | Recurring fair value measurements | Derivative instruments |  |
LIABILITIES |  |
Liabilities, Fair Value Disclosure, Recurring | 24,499 | 15,693
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 | 1,751 | 1,640
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Equity securities |  |
ASSETS |  |
Trading Securities, Equity | 0 |
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Municipal Bonds [Member] |  |
ASSETS |  |
Available for sale |  | 0
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Pooled trust preferred securities issued by banks and insurers |  |
ASSETS |  |
Available for sale | 1,751 | 1,640
Significant Unobservable Inputs (Level 3) | Recurring fair value measurements | Small Business Administration Pooled Securities [Member] |  |
ASSETS |  |
Available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Nonrecurring fair value measurements |  |
LIABILITIES |  |
TOTAL NONRECURRING FAIR VALUE MEASUREMENTS | 35,977 | 34,179
Significant Unobservable Inputs (Level 3) | Nonrecurring fair value measurements | Collateral dependent impaired loans |  |
ASSETS |  |
Assets, Fair Value Disclosure, Nonrecurring | 35,732 | 33,567
Significant Unobservable Inputs (Level 3) | Nonrecurring fair value measurements | Other real estate owned and other foreclosed assets |  |
ASSETS |  |
Assets, Fair Value Disclosure, Nonrecurring | $ 245 | $ 612

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