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Fair Values - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Mortgage Loans Held for Sale | $ 10,413 | $ 7,306
Mortgage IRLCs | 124 | 165
Level 1 |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Mortgage IRLCs | 0 | 0
Level 2 |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Mortgage Loans Held for Sale | 10,413 | 7,306
Mortgage IRLCs | 124 | 165
Level 3 |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Mortgage IRLCs | 0 | 0
Fair value swap |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Swaps, fair value | 226 | 226
Fair value swap | Level 3 |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Swaps, fair value | 226 | 226
Recurring basis |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Mortgage Loans Held for Sale | 10,413 | 7,306
Mortgage IRLCs | 124 | 165
Recurring basis | Level 2 |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Mortgage Loans Held for Sale | 10,413 | 7,306
Mortgage IRLCs | 124 | 165
Recurring basis | Obligations of U.S. Treasury and other U.S. Government sponsored entities |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment Securities | 267,533 | 522,063
Recurring basis | Obligations of U.S. Treasury and other U.S. Government sponsored entities | Level 2 |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment Securities | 267,533 | 522,063
Recurring basis | U.S. Government Sponsored Entities’ Asset-Backed Securities |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment Securities | 987,172 | 911,493
Recurring basis | U.S. Government Sponsored Entities’ Asset-Backed Securities | Level 2 |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment Securities | 987,172 | 911,493
Recurring basis | Equity securities |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment Securities | 3,434 | 2,710
Recurring basis | Equity securities | Level 1 |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment Securities | 2,644 | 1,941
Recurring basis | Equity securities | Level 3 |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investment Securities | 790 | 769
Recurring basis | Fair value swap |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Swaps, fair value | 226 | 226
Recurring basis | Fair value swap | Level 3 |  |
Fair Value, Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Swaps, fair value | $ 226 | $ 226

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13495-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313 + Details
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