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Derivatives and Hedging Activities (Customer Related Derivative Positions - Not Designated as Hedges) (Details) - Not Designated as Hedging Instrument $ in Thousands | Mar. 31, 2019 USD ($) position | Dec. 31, 2018 USD ($) position
--- | --- | ---
Receive fixed, pay variable | Loan level swaps |  |  |
Summary of customer related derivative positions, not designated as hedging |  |  |
Number of Positions | position | [1] | 235 | 235
Less than 1 year |  | $ 70,141 | $ 50,702
Less than 2 years |  | 151,524 | 124,222
Less than 3 years |  | 54,375 | 97,904
Less than 4 years |  | 56,044 | 47,308
Thereafter |  | 618,648 | 631,471
Total |  | 950,732 | 951,607
Fair Value |  | $ 9,724 | $ (2,907)
Pay fixed, receive variable | Loan level swaps |  |  |
Summary of customer related derivative positions, not designated as hedging |  |  |
Number of Positions | position | [1] | 222 | 220
Less than 1 year |  | $ 70,141 | $ 50,702
Less than 2 years |  | 151,524 | 124,222
Less than 3 years |  | 54,375 | 97,904
Less than 4 years |  | 56,044 | 47,308
Thereafter |  | 618,648 | 631,471
Total |  | 950,732 | 951,607
Fair Value |  | $ (9,724) | $ 2,903
Buys foreign currency, sells U.S. currency | Foreign exchange contracts |  |  |
Summary of customer related derivative positions, not designated as hedging |  |  |
Number of Positions | position | [1] | 33 | 27
Less than 1 year |  | $ 70,994 | $ 60,297
Less than 2 years |  |  | 3,505
Total |  | 70,994 | 63,802
Fair Value |  | $ (2,102) | $ (1,404)
Buys U.S. currency, sells foreign currency | Foreign exchange contracts |  |  |
Summary of customer related derivative positions, not designated as hedging |  |  |
Number of Positions | position | [1] | 33 | 27
Less than 1 year |  | $ 70,994 | $ 60,297
Less than 2 years |  |  | 3,505
Total |  | 70,994 | 63,802
Fair Value |  | $ 2,140 | $ 1,434
[1] | The Company may enter into one dealer swap agreement which offsets multiple commercial borrower swap agreements.

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