Loans and Allowance for Credit Losses - Schedule of Activity in Troubled Debt Restructurings (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Financing Receivable, Troubled Debt Restructuring [Roll Forward]
Beginning Balance	$ 40,012	$ 27,795	$ 30,039	$ 32,653
(Charge-offs)/ Recoveries	0	56	9	79
(Payments)/ Disbursements	(2,581)	(669)	(16,603)	(4,378)
(Removals)/ Additions	0	2,073	23,986	901
Ending Balance	37,431	29,255	37,431	29,255
Commercial
Financing Receivable, Troubled Debt Restructuring [Roll Forward]
Beginning Balance	7,216	8,264	7,456	11,090
(Charge-offs)/ Recoveries	0	1	0	1
(Payments)/ Disbursements	(1,620)	(156)	(6,363)	(1,810)
(Removals)/ Additions	0	2,073	4,503	901
Ending Balance	5,596	10,182	5,596	10,182
Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Roll Forward]
Beginning Balance	27,531	15,970	17,158	17,606
(Charge-offs)/ Recoveries	0	58	4	72
(Payments)/ Disbursements	(891)	(369)	(10,005)	(2,019)
(Removals)/ Additions	0	0	19,483	0
Ending Balance	26,640	15,659	26,640	15,659
BBCC
Financing Receivable, Troubled Debt Restructuring [Roll Forward]
Beginning Balance	87	97	87	112
(Charge-offs)/ Recoveries	0	2	3	8
(Payments)/ Disbursements	(13)	(10)	(16)	(31)
(Removals)/ Additions	0	0	0	0
Ending Balance	74	89	74	89
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Roll Forward]
Beginning Balance	2,378	2,582	2,435	2,824
(Charge-offs)/ Recoveries	0	(7)	0	(11)
(Payments)/ Disbursements	(37)	(108)	(94)	(346)
(Removals)/ Additions	0	0	0	0
Ending Balance	2,341	2,467	2,341	2,467
Indirect
Financing Receivable, Troubled Debt Restructuring [Roll Forward]
Beginning Balance		0	0	0
(Charge-offs)/ Recoveries		1	1	4
(Payments)/ Disbursements		(1)	(1)	(4)
(Removals)/ Additions		0	0	0
Ending Balance	0	0	0	0
Direct
Financing Receivable, Troubled Debt Restructuring [Roll Forward]
Beginning Balance	2,669	665	2,704	739
(Charge-offs)/ Recoveries	0	0	0	3
(Payments)/ Disbursements	(12)	(15)	(47)	(92)
(Removals)/ Additions	0	0	0	0
Ending Balance	2,657	650	2,657	650
Home equity
Financing Receivable, Troubled Debt Restructuring [Roll Forward]
Beginning Balance	131	217	199	282
(Charge-offs)/ Recoveries	0	1	1	2
(Payments)/ Disbursements	(8)	(10)	(77)	(76)
(Removals)/ Additions	0	0	0	0
Ending Balance	$ 123	$ 208	$ 123	$ 208

Amount of new troubled debt restructurings during the period.

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- Definition

Financing receivables impaired troubled debt restructuring payments disbursements.

+ References

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- Definition

Financing Receivable, Troubled Debt Restructuring

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Financing receivables impaired troubled debt restructuring write down recoveries.

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- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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