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Fair Value Measurements - Level 3 Inputs (Details) - Level 3 - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Dec. 31, 2015
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans receivable | $ 594,624 | $ 585,737
Nonrecurring | Commercial and industrial | Impaired loans |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans receivable | $ 482 |
Management adjustments for depreciation in values depending on property types (percent) | 65.00% |
Nonrecurring | Commercial and industrial | Impaired loans | Minimum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Appraiser adjustments on sales comparable data (percent) | 0.00% |
Nonrecurring | Commercial and industrial | Impaired loans | Maximum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Appraiser adjustments on sales comparable data (percent) | 20.00% |
Nonrecurring | Equity loans and lines of credit | Impaired loans |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Loans receivable | $ 120 |
Management adjustments for depreciation in values depending on property types (percent) | 58.00% |
Nonrecurring | Equity loans and lines of credit | Impaired loans | Minimum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Appraiser adjustments on sales comparable data (percent) | 3.00% |
Nonrecurring | Equity loans and lines of credit | Impaired loans | Maximum |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Appraiser adjustments on sales comparable data (percent) | 22.00% |

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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Glossary Loan -URI http://asc.fasb.org/extlink&oid=6517073 + Details
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