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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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Loans and Allowance for Credit Losses - Schedule of Composition of Loans and Impact of Adoption (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	$ 29,553,648		$ 13,601,846
Allowance for credit losses	(288,003)	$ (280,507)	(107,341)	$ (109,444)	$ (114,037)	$ (131,388)
Net loans	29,265,645		13,494,505
Segment Portfolio Reclassification
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0		0
Segment Portfolio Reclassification, Adjusted Balance
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	29,553,648		13,601,846
Allowance for credit losses	(288,003)		(107,341)
Net loans	29,265,645		13,494,505
Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	8,923,983		3,391,769
Allowance for credit losses	(102,819)	(99,471)	(27,232)	(25,731)	(25,130)	(30,567)
Commercial \| PPP Loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	81,600		169,000
Commercial \| Segment Portfolio Reclassification
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	(191,996)		(191,557)
Commercial \| Segment Portfolio Reclassification, Adjusted Balance
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	8,731,987		3,200,212
Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	11,796,503		6,380,674
Allowance for credit losses	(141,802)	(140,490)	(64,004)	(65,469)	(70,561)	(75,810)
Commercial real estate \| Segment Portfolio Reclassification
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	(154,769)		(159,190)
Commercial real estate \| Segment Portfolio Reclassification, Adjusted Balance
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	11,641,734		6,221,484
BBCC
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses	(2,064)	(2,069)	(2,458)	(2,798)	(2,537)	(6,120)
BBCC \| Segment Portfolio Reclassification
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	346,765		350,747
BBCC \| Segment Portfolio Reclassification, Adjusted Balance
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	346,765		350,747
Residential real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	6,079,057		2,255,289
Allowance for credit losses	(19,729)	(17,252)	(9,347)	(10,419)	(10,265)	(12,608)
Residential real estate \| Segment Portfolio Reclassification
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	0		0
Residential real estate \| Segment Portfolio Reclassification, Adjusted Balance
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	6,079,057		2,255,289
Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	2,754,105		1,574,114
Consumer \| Segment Portfolio Reclassification
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	(2,754,105)		(1,574,114)
Indirect
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	981,741		873,139
Allowance for credit losses	(1,641)	(1,648)	(1,743)	(2,043)	(2,255)	(3,580)
Indirect \| Segment Portfolio Reclassification
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	981,741		873,139
Indirect \| Segment Portfolio Reclassification, Adjusted Balance
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	981,741		873,139
Direct
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	674,512		140,385
Allowance for credit losses	(14,412)	(14,450)	(528)	(640)	(665)	(855)
Direct \| Segment Portfolio Reclassification
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	674,512		140,385
Direct \| Segment Portfolio Reclassification, Adjusted Balance
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	674,512		140,385
Home equity
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,097,852		560,590
Allowance for credit losses	(5,536)	$ (5,127)	(2,029)	$ (2,344)	$ (2,624)	$ (1,848)
Home equity \| Segment Portfolio Reclassification
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,097,852		560,590
Home equity \| Segment Portfolio Reclassification, Adjusted Balance
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	1,097,852		560,590
Direct Finance Leases
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans	$ 66,500		$ 25,100