Fair Value Measurements - Fair Value Measurement on Nonrecurring Basis (Details) - Nonrecurring - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	$ 1,667		$ 1,667		$ 4,213
Fair Value, Option, Changes in Fair Value, Gain (Loss)	32	$ (93)	20	$ (142)
Level 1
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	0		0		0
Level 2
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	0		0		0
Level 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	1,155		1,155		2,470
Fair Value, Inputs, Level 1, 2 and 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	1,155		1,155		2,470
Impaired Loans
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					3,515
Impaired Loans | Level 1
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					0
Impaired Loans | Level 2
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					0
Impaired Loans | Fair Value, Inputs, Level 1, 2 and 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					1,772
Impaired Loans | Commercial Portfolio Segment [Member]
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					2,524
Net Losses (Gains) Recorded in Earnings	32	(70)	20	(104)
Impaired Loans | Commercial Portfolio Segment [Member] | Level 1
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					0
Impaired Loans | Commercial Portfolio Segment [Member] | Level 2
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					0
Impaired Loans | Commercial Portfolio Segment [Member] | Level 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					1,238
Impaired Loans | Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 1, 2 and 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					1,238
Impaired Loans | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	1,054		1,054		1,911
Net Losses (Gains) Recorded in Earnings	35	6	23	(28)
Impaired Loans | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Level 1
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	0		0		0
Impaired Loans | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Level 2
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	0		0		0
Impaired Loans | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Level 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	969		969		1,049
Impaired Loans | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Fair Value, Inputs, Level 1, 2 and 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	969		969		1,049
Impaired Loans | Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member]
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	613		613		613
Net Losses (Gains) Recorded in Earnings	(3)	(76)	(3)	(76)
Impaired Loans | Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member] | Level 1
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	0		0		0
Impaired Loans | Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member] | Level 2
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	0		0		0
Impaired Loans | Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member] | Level 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	186		186		189
Impaired Loans | Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member] | Fair Value, Inputs, Level 1, 2 and 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure	186		186		189
Impaired Loans | Real Estate Construction and Land Development [Member] | Five or More Family Residential and Commercial Properties [Member]
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					991
Net Losses (Gains) Recorded in Earnings	$ 0	$ (23)	$ 0	$ (38)
Impaired Loans | Real Estate Construction and Land Development [Member] | Five or More Family Residential and Commercial Properties [Member] | Level 1
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					0
Impaired Loans | Real Estate Construction and Land Development [Member] | Five or More Family Residential and Commercial Properties [Member] | Level 2
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					0
Impaired Loans | Real Estate Construction and Land Development [Member] | Five or More Family Residential and Commercial Properties [Member] | Level 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					534
Impaired Loans | Real Estate Construction and Land Development [Member] | Five or More Family Residential and Commercial Properties [Member] | Fair Value, Inputs, Level 1, 2 and 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					534
Branch held for sale
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					698
Branch held for sale | Level 1
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					0
Branch held for sale | Level 2
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					0
Branch held for sale | Level 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					698
Branch held for sale | Fair Value, Inputs, Level 1, 2 and 3
Fair value measurements of assets on a nonrecurring basis
Assets, Fair Value Disclosure					$ 698