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Loans - Loan Delinquency (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Loans [Line Items]
Non- accrual loans	$ 33,336		$ 33,336		$ 35,994
Total past due and non-accrual	54,574		54,574		74,098
Total loans	7,486,918		7,486,918		7,751,143
Non-accrual loans with a related allowance for credit loss	25,569		25,569		22,776
Non-accrual loans with no related allowance for credit loss	7,767		7,767		13,218
Non-accrual interest income	0	$ 0	0	$ 0
Commercial
Loans [Line Items]
Non- accrual loans	27,803		27,803		22,732
Total past due and non-accrual	45,948		45,948		59,572
Total loans	4,541,780		4,541,780		4,670,430
Non-accrual loans with a related allowance for credit loss	21,988		21,988		12,942
Non-accrual loans with no related allowance for credit loss	5,815		5,815		9,790
Commercial | Commercial and industrial
Loans [Line Items]
Non- accrual loans	23,253		23,253		21,950
Total past due and non-accrual	32,999		32,999		47,732
Total loans	1,930,529		1,930,529		1,995,825
Non-accrual loans with a related allowance for credit loss	18,024		18,024		12,746
Non-accrual loans with no related allowance for credit loss	5,229		5,229		9,204
Commercial | Municipal securities
Loans [Line Items]
Total loans	1,125,595		1,125,595		1,107,142
Commercial | Owner occupied commercial real estate
Loans [Line Items]
Non- accrual loans	3,939		3,939		195
Total past due and non-accrual	7,343		7,343		11,253
Total loans	1,240,709		1,240,709		1,264,144
Non-accrual loans with a related allowance for credit loss	3,939		3,939		195
Commercial | Food and agribusiness
Loans [Line Items]
Non- accrual loans	611		611		587
Total past due and non-accrual	5,606		5,606		587
Total loans	244,947		244,947		303,319
Non-accrual loans with a related allowance for credit loss	25		25		1
Non-accrual loans with no related allowance for credit loss	586		586		586
Commercial real estate non-owner occupied
Loans [Line Items]
Non- accrual loans					5,971
Total past due and non-accrual	375		375		6,129
Total loans	1,720,620		1,720,620		1,812,338
Non-accrual loans with a related allowance for credit loss					5,971
Commercial real estate non-owner occupied | Construction
Loans [Line Items]
Total loans	234,953		234,953		250,335
Commercial real estate non-owner occupied | Acquisition/development
Loans [Line Items]
Total past due and non-accrual	337		337
Total loans	60,725		60,725		82,862
Commercial real estate non-owner occupied | Multifamily
Loans [Line Items]
Total loans	320,176		320,176		320,781
Commercial real estate non-owner occupied | Non-owner occupied
Loans [Line Items]
Non- accrual loans					5,971
Total past due and non-accrual	38		38		6,129
Total loans	1,104,766		1,104,766		1,158,360
Non-accrual loans with a related allowance for credit loss					5,971
Residential real estate
Loans [Line Items]
Non- accrual loans	5,483		5,483		7,252
Total past due and non-accrual	8,194		8,194		8,337
Total loans	1,212,008		1,212,008		1,253,838
Non-accrual loans with a related allowance for credit loss	3,531		3,531		3,824
Non-accrual loans with no related allowance for credit loss	1,952		1,952		3,428
Residential real estate | Senior lien
Loans [Line Items]
Non- accrual loans	4,960		4,960		6,747
Total past due and non-accrual	7,428		7,428		7,699
Total loans	1,126,852		1,126,852		1,169,267
Non-accrual loans with a related allowance for credit loss	3,008		3,008		3,319
Non-accrual loans with no related allowance for credit loss	1,952		1,952		3,428
Residential real estate | Junior lien
Loans [Line Items]
Non- accrual loans	523		523		505
Total past due and non-accrual	766		766		638
Total loans	85,156		85,156		84,571
Non-accrual loans with a related allowance for credit loss	523		523		505
Consumer
Loans [Line Items]
Non- accrual loans	50		50		39
Total past due and non-accrual	57		57		60
Total loans	12,510		12,510		14,537
Non-accrual loans with a related allowance for credit loss	50		50		39
30-89 Days Past Due
Loans [Line Items]
Total loans	13,923		13,923		23,164
30-89 Days Past Due | Commercial
Loans [Line Items]
Total loans	12,987		12,987		21,901
30-89 Days Past Due | Commercial | Commercial and industrial
Loans [Line Items]
Total loans	8,958		8,958		20,290
30-89 Days Past Due | Commercial | Owner occupied commercial real estate
Loans [Line Items]
Total loans	3,291		3,291		1,611
30-89 Days Past Due | Commercial | Food and agribusiness
Loans [Line Items]
Total loans	738		738
30-89 Days Past Due | Commercial real estate non-owner occupied
Loans [Line Items]
Total loans	337		337		158
30-89 Days Past Due | Commercial real estate non-owner occupied | Acquisition/development
Loans [Line Items]
Total loans	337		337
30-89 Days Past Due | Commercial real estate non-owner occupied | Non-owner occupied
Loans [Line Items]
Total loans					158
30-89 Days Past Due | Residential real estate
Loans [Line Items]
Total loans	592		592		1,085
30-89 Days Past Due | Residential real estate | Senior lien
Loans [Line Items]
Total loans	349		349		952
30-89 Days Past Due | Residential real estate | Junior lien
Loans [Line Items]
Total loans	243		243		133
30-89 Days Past Due | Consumer
Loans [Line Items]
Total loans	7		7		20
Greater than 90 Days Past Due
Loans [Line Items]
Total loans	7,315		7,315		14,940
Greater than 90 Days Past Due | Commercial
Loans [Line Items]
Total loans	5,158		5,158		14,939
Greater than 90 Days Past Due | Commercial | Commercial and industrial
Loans [Line Items]
Total loans	788		788		5,492
Greater than 90 Days Past Due | Commercial | Owner occupied commercial real estate
Loans [Line Items]
Total loans	113		113		9,447
Greater than 90 Days Past Due | Commercial | Food and agribusiness
Loans [Line Items]
Total loans	4,257		4,257
Greater than 90 Days Past Due | Commercial real estate non-owner occupied
Loans [Line Items]
Total loans	38		38
Greater than 90 Days Past Due | Commercial real estate non-owner occupied | Non-owner occupied
Loans [Line Items]
Total loans	38		38
Greater than 90 Days Past Due | Residential real estate
Loans [Line Items]
Total loans	2,119		2,119
Greater than 90 Days Past Due | Residential real estate | Senior lien
Loans [Line Items]
Total loans	2,119		2,119
Greater than 90 Days Past Due | Consumer
Loans [Line Items]
Total loans					1
Current
Loans [Line Items]
Total loans	7,432,344		7,432,344		7,677,045
Current | Commercial
Loans [Line Items]
Total loans	4,495,832		4,495,832		4,610,858
Current | Commercial | Commercial and industrial
Loans [Line Items]
Total loans	1,897,530		1,897,530		1,948,093
Current | Commercial | Municipal securities
Loans [Line Items]
Total loans	1,125,595		1,125,595		1,107,142
Current | Commercial | Owner occupied commercial real estate
Loans [Line Items]
Total loans	1,233,366		1,233,366		1,252,891
Current | Commercial | Food and agribusiness
Loans [Line Items]
Total loans	239,341		239,341		302,732
Current | Commercial real estate non-owner occupied
Loans [Line Items]
Total loans	1,720,245		1,720,245		1,806,209
Current | Commercial real estate non-owner occupied | Construction
Loans [Line Items]
Total loans	234,953		234,953		250,335
Current | Commercial real estate non-owner occupied | Acquisition/development
Loans [Line Items]
Total loans	60,388		60,388		82,862
Current | Commercial real estate non-owner occupied | Multifamily
Loans [Line Items]
Total loans	320,176		320,176		320,781
Current | Commercial real estate non-owner occupied | Non-owner occupied
Loans [Line Items]
Total loans	1,104,728		1,104,728		1,152,231
Current | Residential real estate
Loans [Line Items]
Total loans	1,203,814		1,203,814		1,245,501
Current | Residential real estate | Senior lien
Loans [Line Items]
Total loans	1,119,424		1,119,424		1,161,568
Current | Residential real estate | Junior lien
Loans [Line Items]
Total loans	84,390		84,390		83,933
Current | Consumer
Loans [Line Items]
Total loans	$ 12,453		$ 12,453		$ 14,477

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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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