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Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Deferred tax assets: |  |
Allowance for loan losses | $ 17,719 | $ 19,773
Accumulated other comprehensive loss – Pension Plan | 7,937 | 8,266
Accumulated other comprehensive loss – Unrealized losses on securities | 1,618 | 157
Deferred compensation | 4,140 | 3,908
OREO valuation adjustments | 2,322 | 2,418
Net deferred loan fees | 1,397 | 1,204
Deferred contract bonus | 1,074 | 1,031
Nonvested PBRSUs | 1,115 | 463
Fixed assets | 781 | 413
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Legal Settlements | 793 | 482
Other | 2,525 | 2,813
Total deferred tax assets | 41,421 | 40,928
Deferred tax liabilities: |  |
Deferred investment income | 10,199 | 10,199
Pension plan | 26,344 | 26,205
Mortgage servicing rights | 3,243 | 3,153
Partnership adjustments | 549 | 560
Other | 596 | 872
Total deferred tax liabilities | 40,931 | 40,989
Deferred Tax Assets, Net | $ 490 |
Net deferred tax asset (liability) |  | $ 61

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