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Loans - Loan Delinquency (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Loans [Line Items]
Non- accrual loans	$ 26,057		$ 26,057		$ 28,228
Total past due and non-accrual	56,714		56,714		41,051
Total loans	7,722,153		7,722,153		7,698,758
Non-accrual loans with a related allowance	17,596		17,596		25,431
Non-accrual loans with no related allowance	8,461		8,461		2,797
Non-accrual interest income	0	$ 0	0	$ 0
Commercial
Loans [Line Items]
Non- accrual loans	14,955		14,955		8,767
Total past due and non-accrual	29,885		29,885		17,958
Total loans	4,544,667		4,544,667		4,499,035
Non-accrual loans with a related allowance	14,308		14,308		8,181
Non-accrual loans with no related allowance	647		647		586
Commercial | Commercial and Industrial
Loans [Line Items]
Non- accrual loans	9,059		9,059		2,250
Total past due and non-accrual	19,079		19,079		11,429
Total loans	2,030,199		2,030,199		1,966,909
Non-accrual loans with a related allowance	8,998		8,998		2,250
Non-accrual loans with no related allowance	61		61
Commercial | Municipal Securities
Loans [Line Items]
Total loans	1,063,994		1,063,994		1,083,756
Commercial | Owner-Occupied
Loans [Line Items]
Non- accrual loans	800		800		755
Total past due and non-accrual	5,556		5,556		755
Total loans	1,154,012		1,154,012		1,123,773
Non-accrual loans with a related allowance	800		800		755
Commercial | Food and agribusiness
Loans [Line Items]
Non- accrual loans	5,096		5,096		5,762
Total past due and non-accrual	5,250		5,250		5,774
Total loans	296,462		296,462		324,597
Non-accrual loans with a related allowance	4,510		4,510		5,176
Non-accrual loans with no related allowance	586		586		586
Commercial real estate non-owner occupied
Loans [Line Items]
Non- accrual loans	5,769		5,769		13,472
Total past due and non-accrual	16,360		16,360		14,609
Total loans	1,868,464		1,868,464		1,856,750
Non-accrual loans with a related allowance					13,472
Non-accrual loans with no related allowance	5,769		5,769
Commercial real estate non-owner occupied | Construction
Loans [Line Items]
Total past due and non-accrual	5,491		5,491
Total loans	347,849		347,849		405,250
Commercial real estate non-owner occupied | Commercial Acquisition/Development
Loans [Line Items]
Total past due and non-accrual	2,963		2,963		1,077
Total loans	89,588		89,588		100,096
Commercial real estate non-owner occupied | Multifamily
Loans [Line Items]
Total past due and non-accrual	1,308		1,308
Total loans	355,803		355,803		311,770
Commercial real estate non-owner occupied | Non Owner-Occupied
Loans [Line Items]
Non- accrual loans	5,769		5,769		13,472
Total past due and non-accrual	6,598		6,598		13,532
Total loans	1,075,224		1,075,224		1,039,634
Non-accrual loans with a related allowance					13,472
Non-accrual loans with no related allowance	5,769		5,769
Residential real estate
Loans [Line Items]
Non- accrual loans	5,289		5,289		5,936
Total past due and non-accrual	10,280		10,280		8,299
Total loans	1,292,316		1,292,316		1,323,787
Non-accrual loans with a related allowance	3,244		3,244		3,725
Non-accrual loans with no related allowance	2,045		2,045		2,211
Residential real estate | Senior lien
Loans [Line Items]
Non- accrual loans	4,672		4,672		5,488
Total past due and non-accrual	6,888		6,888		6,948
Total loans	1,202,050		1,202,050		1,233,599
Non-accrual loans with a related allowance	2,850		2,850		3,277
Non-accrual loans with no related allowance	1,822		1,822		2,211
Residential real estate | Junior lien
Loans [Line Items]
Non- accrual loans	617		617		448
Total past due and non-accrual	3,392		3,392		1,351
Total loans	90,266		90,266		90,188
Non-accrual loans with a related allowance	394		394		448
Non-accrual loans with no related allowance	223		223
Consumer
Loans [Line Items]
Non- accrual loans	44		44		53
Total past due and non-accrual	189		189		185
Total loans	16,706		16,706		19,186
Non-accrual loans with a related allowance	44		44		53
30-89 Days Past Due
Loans [Line Items]
Total loans	27,159		27,159		12,232
30-89 Days Past Due | Commercial
Loans [Line Items]
Total loans	14,173		14,173		9,179
30-89 Days Past Due | Commercial | Commercial and Industrial
Loans [Line Items]
Total loans	9,263		9,263		9,179
30-89 Days Past Due | Commercial | Owner-Occupied
Loans [Line Items]
Total loans	4,756		4,756
30-89 Days Past Due | Commercial | Food and agribusiness
Loans [Line Items]
Total loans	154		154
30-89 Days Past Due | Commercial real estate non-owner occupied
Loans [Line Items]
Total loans	10,334		10,334		1,137
30-89 Days Past Due | Commercial real estate non-owner occupied | Construction
Loans [Line Items]
Total loans	5,491		5,491
30-89 Days Past Due | Commercial real estate non-owner occupied | Commercial Acquisition/Development
Loans [Line Items]
Total loans	2,706		2,706		1,077
30-89 Days Past Due | Commercial real estate non-owner occupied | Multifamily
Loans [Line Items]
Total loans	1,308		1,308
30-89 Days Past Due | Commercial real estate non-owner occupied | Non Owner-Occupied
Loans [Line Items]
Total loans	829		829		60
30-89 Days Past Due | Residential real estate
Loans [Line Items]
Total loans	2,507		2,507		1,785
30-89 Days Past Due | Residential real estate | Senior lien
Loans [Line Items]
Total loans	2,216		2,216		1,410
30-89 Days Past Due | Residential real estate | Junior lien
Loans [Line Items]
Total loans	291		291		375
30-89 Days Past Due | Consumer
Loans [Line Items]
Total loans	145		145		131
Greater than 90 Days Past Due
Loans [Line Items]
Total loans	3,498		3,498		591
Greater than 90 Days Past Due | Commercial
Loans [Line Items]
Total loans	757		757		12
Greater than 90 Days Past Due | Commercial | Commercial and Industrial
Loans [Line Items]
Total loans	757		757
Greater than 90 Days Past Due | Commercial | Food and agribusiness
Loans [Line Items]
Total loans					12
Greater than 90 Days Past Due | Commercial real estate non-owner occupied
Loans [Line Items]
Total loans	257		257
Greater than 90 Days Past Due | Commercial real estate non-owner occupied | Commercial Acquisition/Development
Loans [Line Items]
Total loans	257		257
Greater than 90 Days Past Due | Residential real estate
Loans [Line Items]
Total loans	2,484		2,484		578
Greater than 90 Days Past Due | Residential real estate | Senior lien
Loans [Line Items]
Total loans					50
Greater than 90 Days Past Due | Residential real estate | Junior lien
Loans [Line Items]
Total loans	2,484		2,484		528
Greater than 90 Days Past Due | Consumer
Loans [Line Items]
Total loans					1
Current
Loans [Line Items]
Total loans	7,665,439		7,665,439		7,657,707
Current | Commercial
Loans [Line Items]
Total loans	4,514,782		4,514,782		4,481,077
Current | Commercial | Commercial and Industrial
Loans [Line Items]
Total loans	2,011,120		2,011,120		1,955,480
Current | Commercial | Municipal Securities
Loans [Line Items]
Total loans	1,063,994		1,063,994		1,083,756
Current | Commercial | Owner-Occupied
Loans [Line Items]
Total loans	1,148,456		1,148,456		1,123,018
Current | Commercial | Food and agribusiness
Loans [Line Items]
Total loans	291,212		291,212		318,823
Current | Commercial real estate non-owner occupied
Loans [Line Items]
Total loans	1,852,104		1,852,104		1,842,141
Current | Commercial real estate non-owner occupied | Construction
Loans [Line Items]
Total loans	342,358		342,358		405,250
Current | Commercial real estate non-owner occupied | Commercial Acquisition/Development
Loans [Line Items]
Total loans	86,625		86,625		99,019
Current | Commercial real estate non-owner occupied | Multifamily
Loans [Line Items]
Total loans	354,495		354,495		311,770
Current | Commercial real estate non-owner occupied | Non Owner-Occupied
Loans [Line Items]
Total loans	1,068,626		1,068,626		1,026,102
Current | Residential real estate
Loans [Line Items]
Total loans	1,282,036		1,282,036		1,315,488
Current | Residential real estate | Senior lien
Loans [Line Items]
Total loans	1,195,162		1,195,162		1,226,651
Current | Residential real estate | Junior lien
Loans [Line Items]
Total loans	86,874		86,874		88,837
Current | Consumer
Loans [Line Items]
Total loans	$ 16,517		$ 16,517		$ 19,001

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