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Fair Value Disclosures (Measured on a Non-Recurring Basis) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total gains (losses) on impaired loans | $ 10,747 | $ 15,147 |
Total gains (losses) on foreclosed properties | 1,484 | $ 1,069 |
Impaired loans |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets measured on a non-recurring basis, fair value | 10,747 |  | $ 15,147
Impaired loans | Fair Value Measurements - Level 1 Inputs |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets measured on a non-recurring basis, fair value | 0 |  | 0
Impaired loans | Fair Value Measurements - Level 2 Inputs |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets measured on a non-recurring basis, fair value | 4,333 |  | 10,063
Impaired loans | Fair Value Measurements - Level 3 Inputs |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets measured on a non-recurring basis, fair value | 6,414 |  | 5,084
Foreclosed properties | Fair Value Measurements - Level 1 Inputs |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets measured on a non-recurring basis, fair value | 0 |  | 0
Foreclosed properties | Fair Value Measurements - Level 2 Inputs |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets measured on a non-recurring basis, fair value | 1,484 |  | 1,069
Foreclosed properties | Fair Value Measurements - Level 3 Inputs |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets measured on a non-recurring basis, fair value | $ 0 |  | $ 0

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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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