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Fair Value Measurement (Methodologies Other Than Fair Value) (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Financial assets: |  |
BOLI | $ 63,017 | $ 62,113
Other investments | 35,909 | 110,847
Other assets | 106,325 | 101,428
Financial liabilities: |  |
Other liabilities | 169,126 | 437,600
Not Measured At Fair Value | Carrying Value |  |
Financial assets: |  |
BOLI | 63,017 | 62,113
Other investments | 2,889 | 58,546
Other assets | 37,745 | 34,020
Financial liabilities: |  |
Other liabilities | 22,303 | 21,154
Not Measured At Fair Value | Carrying Value | Senior Notes |  |
Financial liabilities: |  |
Debt | 250,000 | 250,000
Not Measured At Fair Value | Carrying Value | Mortgage Loans |  |
Financial liabilities: |  |
Debt | 39,762 | 40,460
Not Measured At Fair Value | Carrying Value | Line of Credit |  |
Financial liabilities: |  |
Debt | 0 | 123,000
Not Measured At Fair Value | Level 3 | Fair Value |  |
Financial assets: |  |
BOLI | 63,017 | 62,113
Other investments | 2,889 | 69,095
Other assets | 37,411 | 33,742
Financial liabilities: |  |
Other liabilities | 22,303 | 21,154
Not Measured At Fair Value | Level 3 | Fair Value | Senior Notes |  |
Financial liabilities: |  |
Debt | 263,943 | 273,153
Not Measured At Fair Value | Level 3 | Fair Value | Mortgage Loans |  |
Financial liabilities: |  |
Debt | 39,762 | 40,460
Not Measured At Fair Value | Level 3 | Fair Value | Line of Credit |  |
Financial liabilities: |  |
Debt | $ 0 | $ 123,000

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