Fair Value Measurements - Assets and Liabilities Recorded at Fair Value on a Nonrecurring Basis (Details) - Non Recurring - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned	$ 4,987	$ 4,987
Assets measured at fair value on a nonrecurring basis	53,669	60,961
Commercial
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	11,030	9,285
Income producing - commercial real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	25,611	21,638
Owner occupied - commercial real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	6,622	21,930
Real estate mortgage - residential
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	1,368	2,602
Construction - commercial and residential
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	3,659	103
Home equity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	392	416
Other consumer
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0
Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned	0	0
Assets measured at fair value on a nonrecurring basis	0	0
Fair Value, Inputs, Level 1 | Commercial
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Income producing - commercial real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Owner occupied - commercial real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Real estate mortgage - residential
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Construction - commercial and residential
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Home equity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Other consumer
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0
Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned	0	0
Assets measured at fair value on a nonrecurring basis	0	0
Fair Value, Inputs, Level 2 | Commercial
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 2 | Income producing - commercial real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 2 | Owner occupied - commercial real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 2 | Real estate mortgage - residential
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 2 | Construction - commercial and residential
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 2 | Home equity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0	0
Fair Value, Inputs, Level 2 | Other consumer
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	0
Fair Value, Inputs, Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned	4,987	4,987
Assets measured at fair value on a nonrecurring basis	53,669	60,961
Fair Value, Inputs, Level 3 | Commercial
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	11,030	9,285
Fair Value, Inputs, Level 3 | Income producing - commercial real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	25,611	21,638
Fair Value, Inputs, Level 3 | Owner occupied - commercial real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	6,622	21,930
Fair Value, Inputs, Level 3 | Real estate mortgage - residential
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	1,368	2,602
Fair Value, Inputs, Level 3 | Construction - commercial and residential
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	3,659	103
Fair Value, Inputs, Level 3 | Home equity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	392	$ 416
Fair Value, Inputs, Level 3 | Other consumer
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans	$ 0