INCOME TAXES (Details 2) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Deferred tax assets:    
Reserve for bad debts $ 20,450 $ 21,225
Pension and postretirement liabilities (ASC 715) 9,676 14,678
Pension and postretirement benefits   4,031
Federal income tax credits 11,663 4,591
Deferred compensation 5,757 5,291
Non-accrual interest on loans   3,465
State net operating loss carryover/state credits 1,478 1,448
Purchase accounting adjustments 2,638 4,451
Charitable contribution carryforward 357 270
Lease accounting 675 603
OREO 1,249 1,957
Federal net operating loss carryover 33 33
Available-for-sale securities 2,950  
Accrued expenses and other 2,542 2,144
Deferred tax assets, gross 59,468 64,187
Less: Valuation Allowance (1,431) (971)
Total 58,037 63,216
Deferred tax liabilities:    
Available-for-sale securities   10,911
Pension and postretirement benefits 4,830  
Intangibles 2,412 2,498
Premises and equipment 230 857
Prepaid expenses and deferred loan costs 1,393 1,376
Mortgage servicing rights and other 560 495
Total 9,425 16,137
Net deferred tax assets $ 48,612 $ 47,079