FAIR VALUE DISCLOSURES (Schedule of Items Measured on a Recurring Basis) (Details) (Fair Value, Measurements, Recurring [Member], USD $) | Jun. 30, 2014 | Dec. 31, 2013 |
In Thousands, unless otherwise specified |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | $1,476,147 | $1,656,660 |
Liabilities, Fair Value Disclosure, Recurring | 6,594 | 6,641 |
U.S. Government sponsored agencies [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 193,893 | 275,899 |
Residential mortgage-backed [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 1,031,336 | 1,105,787 |
Commercial mortgage-backed [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 851 | 856 |
State and political subdivisions [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 30,753 | 31,557 |
Corporate notes [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 171,155 | 196,203 |
Equity investments [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 1,705 | 1,443 |
Mortgage loans held for sale [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 27,576 | 25,548 |
Interest rate lock commitments [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 535 | 217 |
Forward commitments to sell mortgage-backed securities [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | -441 | 296 |
Servicing rights [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 18,784 | 18,854 |
Nonqualified deferred compensation plan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Liabilities, Fair Value Disclosure, Recurring | 6,594 | 6,641 |
Fair Value, Inputs, Level 1 [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 1,705 | 1,443 |
Liabilities, Fair Value Disclosure, Recurring | 6,594 | 6,641 |
Fair Value, Inputs, Level 1 [Member] | U.S. Government sponsored agencies [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Residential mortgage-backed [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Commercial mortgage-backed [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | State and political subdivisions [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Corporate notes [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Equity investments [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 1,705 | 1,443 |
Fair Value, Inputs, Level 1 [Member] | Mortgage loans held for sale [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Interest rate lock commitments [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Forward commitments to sell mortgage-backed securities [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Servicing rights [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Nonqualified deferred compensation plan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Liabilities, Fair Value Disclosure, Recurring | 6,594 | 6,641 |
Fair Value, Inputs, Level 2 [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 1,455,658 | 1,636,363 |
Liabilities, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | U.S. Government sponsored agencies [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 193,893 | 275,899 |
Fair Value, Inputs, Level 2 [Member] | Residential mortgage-backed [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 1,031,336 | 1,105,787 |
Fair Value, Inputs, Level 2 [Member] | Commercial mortgage-backed [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 851 | 856 |
Fair Value, Inputs, Level 2 [Member] | State and political subdivisions [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 30,753 | 31,557 |
Fair Value, Inputs, Level 2 [Member] | Corporate notes [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 171,155 | 196,203 |
Fair Value, Inputs, Level 2 [Member] | Equity investments [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Mortgage loans held for sale [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 27,576 | 25,548 |
Fair Value, Inputs, Level 2 [Member] | Interest rate lock commitments [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 535 | 217 |
Fair Value, Inputs, Level 2 [Member] | Forward commitments to sell mortgage-backed securities [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | -441 | 296 |
Fair Value, Inputs, Level 2 [Member] | Servicing rights [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Nonqualified deferred compensation plan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Liabilities, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 18,784 | 18,854 |
Liabilities, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | U.S. Government sponsored agencies [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Residential mortgage-backed [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Commercial mortgage-backed [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | State and political subdivisions [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Corporate notes [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Equity investments [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Mortgage loans held for sale [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Interest rate lock commitments [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Forward commitments to sell mortgage-backed securities [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Servicing rights [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Assets, Fair Value Disclosure, Recurring | 18,784 | 18,854 |
Fair Value, Inputs, Level 3 [Member] | Nonqualified deferred compensation plan [Member] | ' | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' |
Liabilities, Fair Value Disclosure, Recurring | $0 | $0 |