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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
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-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk, in portfolio layer hedging relationship, excluded from amortized cost of asset included in closed portfolio.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Loans and Leases and Allowance for Credit Losses - Major classifications of loan portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Classifications of loans
Total loans excluding fair value hedge basis adjustment	$ 18,375,246	$ 18,316,862
Fair value hedge basis adjustment	(402)	1,893
Total loans	18,374,844	18,318,755
Less ACL - loans	(210,934)	(208,071)	$ (176,534)	$ (159,357)
Loans and leases, net	18,163,910	18,110,684
Commercial \| Owner occupied CRE
Classifications of loans
Total loans excluding fair value hedge basis adjustment	3,310,231	3,264,051
Commercial \| Income producing CRE
Classifications of loans
Total loans excluding fair value hedge basis adjustment	4,206,322	4,263,952
Commercial \| Commercial & industrial
Classifications of loans
Total loans excluding fair value hedge basis adjustment	2,404,505	2,411,045
Commercial \| Commercial construction
Classifications of loans
Total loans excluding fair value hedge basis adjustment	1,936,074	1,859,538
Commercial \| Equipment financing
Classifications of loans
Total loans excluding fair value hedge basis adjustment	1,543,905	1,541,120
Residential \| Commercial construction
Classifications of loans
Total loans excluding fair value hedge basis adjustment	257,279	301,650
Residential \| Residential mortgage
Classifications of loans
Total loans excluding fair value hedge basis adjustment	3,239,687	3,198,928
Residential \| Home equity
Classifications of loans
Total loans excluding fair value hedge basis adjustment	969,020	958,987
Residential \| Manufactured housing
Classifications of loans
Total loans excluding fair value hedge basis adjustment	328,121	336,474
Consumer
Classifications of loans
Total loans excluding fair value hedge basis adjustment	180,102	181,117
Loans receivable
Classifications of loans
Total loans excluding fair value hedge basis adjustment	18,375,246	18,316,862
Loans receivable \| Commercial
Classifications of loans
Total loans excluding fair value hedge basis adjustment	13,401,037	13,339,706
Loans receivable \| Commercial \| Owner occupied CRE
Classifications of loans
Total loans excluding fair value hedge basis adjustment	3,310,231	3,264,051
Less ACL - loans	(19,658)	(23,542)	(20,831)	(19,834)
Loans receivable \| Commercial \| Income producing CRE
Classifications of loans
Total loans excluding fair value hedge basis adjustment	4,206,322	4,263,952
Less ACL - loans	(46,798)	(47,755)	(33,607)	(32,082)
Loans receivable \| Commercial \| Commercial & industrial
Classifications of loans
Total loans excluding fair value hedge basis adjustment	2,404,505	2,411,045
Less ACL - loans	(31,858)	(30,890)	(28,312)	(23,504)
Loans receivable \| Commercial \| Commercial construction
Classifications of loans
Total loans excluding fair value hedge basis adjustment	1,936,074	1,859,538
Less ACL - loans	(20,023)	(21,741)	(22,073)	(20,120)
Loans receivable \| Commercial \| Equipment financing
Classifications of loans
Total loans excluding fair value hedge basis adjustment	1,543,905	1,541,120
Less ACL - loans	(39,982)	(33,383)	(26,195)	(23,395)
Loans receivable \| Residential \| Commercial construction
Classifications of loans
Total loans excluding fair value hedge basis adjustment	257,279	301,650
Less ACL - loans	(1,529)	(1,833)	(2,043)	(2,049)
Loans receivable \| Residential \| Residential mortgage
Classifications of loans
Total loans excluding fair value hedge basis adjustment	3,239,687	3,198,928
Less ACL - loans	(28,636)	(28,219)	(24,082)	(20,809)
Loans receivable \| Residential \| Home equity
Classifications of loans
Total loans excluding fair value hedge basis adjustment	969,020	958,987
Less ACL - loans	(9,715)	(9,647)	(10,337)	(8,707)
Loans receivable \| Residential \| Manufactured housing
Classifications of loans
Total loans excluding fair value hedge basis adjustment	328,121	336,474
Less ACL - loans	(12,044)	(10,339)	(8,424)	(8,098)
Loans receivable \| Consumer
Classifications of loans
Total loans excluding fair value hedge basis adjustment	180,102	181,117
Less ACL - loans	$ (691)	$ (722)	$ (630)	$ (759)