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Fair Value Measurements (Details 6) - Non-recurring - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Level 3 |  |
Valuation Methodology |  |
Assets measured at fair value | $ 20,449 | $ 24,769
Level 3 | Collateral based measurements | Impaired loans | Minimum |  |
Unobservable Inputs |  |
Discount for lack of marketability and current conditions (as a percent) | 10.00% | 3.00%
Level 3 | Collateral based measurements | Impaired loans | Maximum |  |
Unobservable Inputs |  |
Discount for lack of marketability and current conditions (as a percent) | 20.00% | 20.00%
Level 3 | Discounted cash flows | Mortgage servicing rights | Minimum |  |
Unobservable Inputs |  |
Constant prepayment rate (CPR) (as a percent) | 7.40% | 8.60%
Discount rate (as a percent) | 10.10% | 9.60%
Level 3 | Discounted cash flows | Mortgage servicing rights | Maximum |  |
Unobservable Inputs |  |
Constant prepayment rate (CPR) (as a percent) | 23.60% | 20.70%
Discount rate (as a percent) | 13.00% | 12.50%
Level 3 | Appraisals trade publications and auction values | Repossessions | Minimum |  |
Unobservable Inputs |  |
Discount for lack of marketability (as a percent) | 4.00% | 3.00%
Level 3 | Appraisals trade publications and auction values | Repossessions | Maximum |  |
Unobservable Inputs |  |
Discount for lack of marketability (as a percent) | 10.00% | 10.00%
Level 3 | Appraisals | Other real estate | Minimum |  |
Unobservable Inputs |  |
Discount for lack of marketability (as a percent) | 7.00% | 7.00%
Level 3 | Appraisals | Other real estate | Maximum |  |
Unobservable Inputs |  |
Discount for lack of marketability (as a percent) | 9.00% | 9.00%
Carrying Value | Level 3 | Collateral based measurements | Impaired loans |  |
Valuation Methodology |  |
Assets measured at fair value | $ 4,477 | $ 7,994
Carrying Value | Level 3 | Discounted cash flows | Mortgage servicing rights |  |
Valuation Methodology |  |
Assets measured at fair value | 4,356 | 4,349
Carrying Value | Level 3 | Appraisals trade publications and auction values | Repossessions |  |
Valuation Methodology |  |
Assets measured at fair value | 9,432 | 10,114
Carrying Value | Level 3 | Appraisals | Other real estate |  |
Valuation Methodology |  |
Assets measured at fair value | 1,184 | 1,312
Fair Value |  |
Valuation Methodology |  |
Assets measured at fair value | 20,449 | 24,769
Fair Value | Level 3 | Collateral based measurements | Impaired loans |  |
Valuation Methodology |  |
Assets measured at fair value | 4,477 | 7,994
Fair Value | Level 3 | Discounted cash flows | Mortgage servicing rights |  |
Valuation Methodology |  |
Assets measured at fair value | 7,389 | 7,187
Fair Value | Level 3 | Appraisals trade publications and auction values | Repossessions |  |
Valuation Methodology |  |
Assets measured at fair value | 9,905 | 10,493
Fair Value | Level 3 | Appraisals | Other real estate |  |
Valuation Methodology |  |
Assets measured at fair value | $ 1,312 | $ 1,441

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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 Adjustment to the discount rate used to measure fair value for lack of ability to convert business interests into cash quickly. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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