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Fair Value Measurements - Fair Value Measurement on Nonrecurring Basis (Details) - Nonrecurring - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	$ 4,213	$ 2,635
Fair Value, Option, Changes in Fair Value, Gain (Loss)	(1,233)	(638)	$ (78)
Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0	0
Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0	0
Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	2,470	2,619
Fair Value, Inputs, Level 1, 2 and 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	2,470	2,619
Impaired Loans
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	3,515
Impaired Loans | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0
Impaired Loans | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0
Impaired Loans | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	1,772
Impaired Loans | Fair Value, Inputs, Level 1, 2 and 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	1,772
Impaired Loans | Commercial and industrial
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure		1,305
Impaired Loans | Commercial and industrial | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure		0
Impaired Loans | Commercial and industrial | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure		0
Impaired Loans | Commercial and industrial | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure		1,289
Impaired Loans | Commercial and industrial | Fair Value, Inputs, Level 1, 2 and 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure		1,289
Impaired Loans | Commercial business
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	2,524
Fair Value Assets Measured on Nonrecurring Basis Net Gains Losses Included in Earnings	(1,050)	(8)	(78)
Impaired Loans | Commercial business | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0
Impaired Loans | Commercial business | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0
Impaired Loans | Commercial business | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	1,238
Impaired Loans | Commercial business | Fair Value, Inputs, Level 1, 2 and 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	1,238
Impaired Loans | Commercial business | Commercial and industrial
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	1,911
Fair Value Assets Measured on Nonrecurring Basis Net Gains Losses Included in Earnings	(691)	(8)	(78)
Impaired Loans | Commercial business | Commercial and industrial | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0
Impaired Loans | Commercial business | Commercial and industrial | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0
Impaired Loans | Commercial business | Commercial and industrial | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	1,049
Impaired Loans | Commercial business | Commercial and industrial | Fair Value, Inputs, Level 1, 2 and 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	1,049
Impaired Loans | Commercial business | Owner-occupied CRE
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	613
Fair Value Assets Measured on Nonrecurring Basis Net Gains Losses Included in Earnings	(359)	0	0
Impaired Loans | Commercial business | Owner-occupied CRE | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0
Impaired Loans | Commercial business | Owner-occupied CRE | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0
Impaired Loans | Commercial business | Owner-occupied CRE | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	189
Impaired Loans | Commercial business | Owner-occupied CRE | Fair Value, Inputs, Level 1, 2 and 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	189
Impaired Loans | Commercial business | Commercial and multifamily
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value Assets Measured on Nonrecurring Basis Net Gains Losses Included in Earnings	(38)	0	0
Impaired Loans | Branch held for sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value Assets Measured on Nonrecurring Basis Net Gains Losses Included in Earnings	(145)	(630)	$ 0
Impaired Loans | Real estate construction and land development | Commercial and multifamily
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	991
Impaired Loans | Real estate construction and land development | Commercial and multifamily | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0
Impaired Loans | Real estate construction and land development | Commercial and multifamily | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0
Impaired Loans | Real estate construction and land development | Commercial and multifamily | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	534
Impaired Loans | Real estate construction and land development | Commercial and multifamily | Fair Value, Inputs, Level 1, 2 and 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	534
Branch held for sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	698	1,330
Branch held for sale | Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0	0
Branch held for sale | Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	0	0
Branch held for sale | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	698	1,330
Branch held for sale | Fair Value, Inputs, Level 1, 2 and 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Assets, Fair Value Disclosure	$ 698	$ 1,330

X

- Definition

Amount of net gains and losses recorded in earnings for nonrecurring assets reported at fair value

+ References

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

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-Publisher FASB
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