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Fair Value Measurements - Nonrecurring (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2017
Assets and liabilities measured at fair value |  |  |  |
Valuation allowance | $ 2,600,000 |  | $ 1,200,000 |
Valuation allowance |  | $ 8,600,000 |  |
Carrying value of other real estate owned | 2,474,000 | 7,175,000 | 5,004,000 | $ 8,371,000
OREO Valuation allowance | 1,643,000 | 8,027,000 | 6,712,000 | $ 8,208,000
Fair Value, Measurements, Nonrecurring [Member] |  |  |  |
Assets and liabilities measured at fair value |  |  |  |
Total | 12,149,000 |  | 12,439,000 |
Fair Value, Measurements, Nonrecurring [Member] | Impaired Loans [Member] |  |  |  |
Assets and liabilities measured at fair value |  |  |  |
Total | 9,675,000 |  | 7,435,000 |
Valuation allowance | 12,300,000 |  |  |
Increase (decrease) of specific allocations within the provision for loan losses | 1,400,000 | (783,000) |  |
Fair Value, Measurements, Nonrecurring [Member] | Other Real Estate Owned [Member] |  |  |  |
Assets and liabilities measured at fair value |  |  |  |
Total | 2,474,000 |  | 5,004,000 |
Carrying value of other real estate owned | 2,500,000 | 5,000,000.0 |  |
Outstanding balance | 4,100,000 | 12,600,000 |  |
OREO Valuation allowance | 1,600,000 | 6,700,000 |  |
OREO participations |  | $ 937,000 |  |
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |
Assets and liabilities measured at fair value |  |  |  |
Total | 12,149,000 |  | 12,439,000 |
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Impaired Loans [Member] |  |  |  |
Assets and liabilities measured at fair value |  |  |  |
Total | 9,675,000 |  | 7,435,000 |
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Other Real Estate Owned [Member] |  |  |  |
Assets and liabilities measured at fair value |  |  |  |
Total | $ 2,474,000 |  | $ 5,004,000 |

X
- Definition Represents the amount of increase (decrease) in specific allocations within the provision for loan losses for impaired financing receivables. + References No definition available. + Details
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