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Commitments and Contingencies - Outstanding Commitments to Extend Credit (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Other Commitments [Line Items]
Total outstanding commitments	$ 1,125,960	$ 1,105,425
Commercial business
Other Commitments [Line Items]
Total outstanding commitments	579,895	661,902
Commercial business | Commercial and industrial
Other Commitments [Line Items]
Total outstanding commitments	570,156	640,018
Commercial business | Owner-occupied CRE
Other Commitments [Line Items]
Total outstanding commitments	2,252	3,488
Commercial business | Non-owner occupied CRE
Other Commitments [Line Items]
Total outstanding commitments	7,487	18,396
Real estate construction and land development
Other Commitments [Line Items]
Total outstanding commitments	261,055	180,274
Real estate construction and land development | Residential
Other Commitments [Line Items]
Total outstanding commitments	51,838	52,453
Real estate construction and land development | Commercial and multifamily
Other Commitments [Line Items]
Total outstanding commitments	209,217	127,821
Consumer
Other Commitments [Line Items]
Total outstanding commitments	$ 285,010	$ 263,249

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Unused amount of commitments to extend credit to customers.

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