Fair Value (Details 2) $ in Thousands		Mar. 31, 2019 USD ($) Percent	Dec. 31, 2018 USD ($) Percent
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value | $		$ 122	$ 122
Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value | $		122	1,063
Impaired loans | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value | $		122	128
Other real estate owned | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value | $		0	935
Level 3 | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value | $		122	1,063
Level 3 | Impaired loans | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value | $		122	128
Level 3 | Other real estate owned | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets held at fair value | $		$ 0	$ 935
Level 3 | Liquidation expenses | Minimum | Other real estate owned | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, unobservable input (in percent)	[1],[2]	0
Level 3 | Liquidation expenses | Maximum | Other real estate owned | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, unobservable input (in percent)	[1],[2]	6
Level 3 | Appraisal of collateral | Appraisal adjustments | Minimum | Impaired loans | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, unobservable input (in percent)	[2],[3]	0	0
Level 3 | Appraisal of collateral | Appraisal adjustments | Minimum | Other real estate owned | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, unobservable input (in percent)	[2],[3]	0	0
Level 3 | Appraisal of collateral | Appraisal adjustments | Maximum | Impaired loans | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans, unobservable input (in percent)	[2],[3]	20	20
Level 3 | Appraisal of collateral | Appraisal adjustments | Maximum | Other real estate owned | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, unobservable input (in percent)	[2],[3]	20	20
Level 3 | Appraisal of collateral | Liquidation expenses | Minimum | Other real estate owned | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, unobservable input (in percent)	[1],[2]		0
Level 3 | Appraisal of collateral | Liquidation expenses | Maximum | Other real estate owned | Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, unobservable input (in percent)	[1],[2]		6

[1] Estimated costs to sell.

[2] Fair value is generally through independent appraisals of the underlying collateral that generally include various level 3 inputs which are not identifiable.

[3] Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses. The range of liquidation expenses and other appraisal adjustments are presented as a percent of the appraised value.