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Fair Value Measurements - Summary of Derivative Notional Amounts and Fair Values (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Derivative [Line Items] |  |
Derivative Liability, Notional Amount | $ 263,153 | $ 223,098
Interest Rate Lock Commitments [Member] |  |
Derivative [Line Items] |  |
Derivative Asset, Notional Amount | 6,801 | 11,168
Derivative Asset, Fair Value | 113 | 130
Derivative Liability, Notional Amount | 0 | 1,810
Derivative Liability, Fair Value | 0 | (3)
Short [Member] | Forward Contracts [Member] |  |
Derivative [Line Items] |  |
Derivative Asset, Notional Amount | 626 | 3,223
Derivative Asset, Fair Value | 0 | 17
Derivative Liability, Notional Amount | 6,175 | 9,755
Derivative Liability, Fair Value | $ (40) | $ (38)

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