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Loans and Allowance for Credit Losses - Schedule of Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		$ 131,388	$ 54,619
Charge-offs		(4,310)	(15,553)
Recoveries		9,075	12,580
Provision for Credit Losses	[1]	(28,812)	38,395	$ 4,747
Balance at End of Period		107,341	131,388	54,619
Previously Reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			54,619	55,461
Charge-offs				(14,789)
Recoveries				9,200
Provision for Credit Losses				4,747
Balance at End of Period				54,619
Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			41,347
Balance at End of Period				41,347
Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		131,388	95,966
Balance at End of Period			131,388	95,966
Commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		30,567	21,359
Charge-offs		(1,228)	(5,593)
Recoveries		791	3,629
Provision for Credit Losses		(2,898)	4,022
Balance at End of Period		27,232	30,567	21,359
Commercial | Previously Reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			22,585	21,742
Charge-offs				(3,819)
Recoveries				1,650
Provision for Credit Losses				3,012
Balance at End of Period				22,585
Commercial | Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			7,150
Balance at End of Period				7,150
Commercial | Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		30,567	28,509
Balance at End of Period			30,567	28,509
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		75,810	20,535
Charge-offs		(264)	(4,323)
Recoveries		4,403	4,515
Provision for Credit Losses		(15,945)	29,535
Balance at End of Period		64,004	75,810	20,535
Commercial real estate | Previously Reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			21,588	23,470
Charge-offs				(2,846)
Recoveries				3,774
Provision for Credit Losses				(2,810)
Balance at End of Period				21,588
Commercial real estate | Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			25,548
Balance at End of Period				25,548
Commercial real estate | Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		75,810	46,083
Balance at End of Period			75,810	46,083
BBCC
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		6,120	2,279
Charge-offs		(144)	(95)
Recoveries		105	140
Provision for Credit Losses		(3,623)	94
Balance at End of Period		2,458	6,120	2,279
BBCC | Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			3,702
Balance at End of Period				3,702
BBCC | Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		6,120	5,981
Balance at End of Period			6,120	5,981
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		12,608	2,299
Charge-offs		(346)	(824)
Recoveries		339	633
Provision for Credit Losses		(3,254)	3,514
Balance at End of Period		9,347	12,608	2,299
Residential real estate | Previously Reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			2,299	2,277
Charge-offs				(661)
Recoveries				146
Provision for Credit Losses				537
Balance at End of Period				2,299
Residential real estate | Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			6,986
Balance at End of Period				6,986
Residential real estate | Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		12,608	9,285
Balance at End of Period			12,608	9,285
Consumer | Previously Reported
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			8,147	7,972
Charge-offs				(7,463)
Recoveries				3,630
Provision for Credit Losses				4,008
Balance at End of Period				8,147
Indirect
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		3,580	5,319
Charge-offs		(1,087)	(2,754)
Recoveries		1,682	1,922
Provision for Credit Losses		(2,432)	762
Balance at End of Period		1,743	3,580	5,319
Indirect | Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			(1,669)
Balance at End of Period				(1,669)
Indirect | Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		3,580	3,650
Balance at End of Period			3,580	3,650
Direct
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		855	1,863
Charge-offs		(1,159)	(1,763)
Recoveries		777	819
Provision for Credit Losses		55	995
Balance at End of Period		528	855	1,863
Direct | Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			(1,059)
Balance at End of Period				(1,059)
Direct | Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		855	804
Balance at End of Period			855	804
Home equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		1,848	965
Charge-offs		(82)	(201)
Recoveries		978	922
Provision for Credit Losses		(715)	(527)
Balance at End of Period		2,029	1,848	965
Home equity | Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period			689
Balance at End of Period				689
Home equity | Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period		$ 1,848	1,654
Balance at End of Period			$ 1,848	$ 1,654
[1] Beginning January 1, 2020, with the adoption of CECL, calculation is based on current expected credit loss methodology. Prior to January 1, 2020, calculation was based on incurred loss methodology.

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Amount excluding accrued interest, of allowance for credit loss on financing receivable.

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

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