Loans and Allowance for Credit Losses - Schedule of Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	$ 107,341	$ 131,388	$ 54,619
Charge-offs	(27,281)	(4,310)	(15,553)
Recoveries	11,182	9,075	12,580
Provision for Loan Losses	123,340	(28,812)	38,395
Balance at End of Period	303,671	107,341	131,388
Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	89,089	0	0
Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	0	0	41,347
Commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	27,232	30,567	21,359
Charge-offs	(6,885)	(1,228)	(5,593)
Recoveries	4,610	791	3,629
Provision for Loan Losses	56,875	(2,898)	4,022
Balance at End of Period	120,612	27,232	30,567
Commercial \| Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	38,780	0	0
Commercial \| Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	0	0	7,150
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	64,004	75,810	20,535
Charge-offs	(6,519)	(264)	(4,323)
Recoveries	1,095	4,403	4,515
Provision for Loan Losses	30,245	(15,945)	29,535
Balance at End of Period	138,244	64,004	75,810
Commercial real estate \| Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	49,419	0	0
Commercial real estate \| Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	0	0	25,548
BBCC
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	2,458	6,120	2,279
Charge-offs	(85)	(144)	(95)
Recoveries	281	105	140
Provision for Loan Losses	(223)	(3,623)	94
Balance at End of Period	2,431	2,458	6,120
BBCC \| Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	0	0	0
BBCC \| Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	0	0	3,702
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	9,347	12,608	2,299
Charge-offs	(344)	(346)	(824)
Recoveries	760	339	633
Provision for Loan Losses	12,017	(3,254)	3,514
Balance at End of Period	21,916	9,347	12,608
Residential real estate \| Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	136	0	0
Residential real estate \| Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	0	0	6,986
Indirect
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	1,743	3,580	5,319
Charge-offs	(2,525)	(1,087)	(2,754)
Recoveries	1,263	1,682	1,922
Provision for Loan Losses	1,051	(2,432)	762
Balance at End of Period	1,532	1,743	3,580
Indirect \| Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	0	0	0
Indirect \| Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	0	0	(1,669)
Direct
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	528	855	1,863
Charge-offs	(10,799)	(1,159)	(1,763)
Recoveries	2,557	777	819
Provision for Loan Losses	19,799	55	995
Balance at End of Period	12,116	528	855
Direct \| Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	31	0	0
Direct \| Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	0	0	(1,059)
Home equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	2,029	1,848	965
Charge-offs	(124)	(82)	(201)
Recoveries	616	978	922
Provision for Loan Losses	3,576	(715)	(527)
Balance at End of Period	6,820	2,029	1,848
Home equity \| Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	723	0	0
Home equity \| Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance established for acquired PCD loans and Impact of adopting ASC 326	$ 0	$ 0	$ 689

Financing Receivable, Credit Loss, Expense (Reversal), Excluding Held-to-Maturity Securities

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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