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Loans and Allowance for Credit Losses - Schedule of the Risk Category of Loans by Class of Loans (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Loans and Leases Receivable Disclosure [Abstract]      
Prior $ 2,937,900   $ 2,367,170
Originated, four years before current fiscal year 495,364   614,362
Originated, three years before current fiscal year 1,215,951   525,985
Originated, two years before current fiscal year 1,471,860   1,185,099
Originated, fiscal year before current fiscal year 723,714   1,391,290
Originated, current fiscal year 59,319   750,863
Revolving Loans Amort. Cost Basis 1,048,700   1,103,437
Revolving Loans Convert. to Term 29,894   30,489
Loans 7,982,702   7,968,695
Financial Asset, Write Offs [Abstract]      
Prior (21,468)   (12,888)
Originated, four years before current fiscal year 0   (5,500)
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis (100)   0
Revolving Loans Convert. to Term (1)   (1,135)
YTD Gross Charge-offs (21,569) $ (1,054) (19,523)
Commercial      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 216,019   172,775
Originated, four years before current fiscal year 44,822   48,582
Originated, three years before current fiscal year 175,641   49,470
Originated, two years before current fiscal year 141,462   196,064
Originated, fiscal year before current fiscal year 187,057   149,542
Originated, current fiscal year 24,604   191,889
Revolving Loans Amort. Cost Basis 609,950   659,613
Revolving Loans Convert. to Term 9,212   5,831
Loans 1,408,767   1,473,766
Financial Asset, Write Offs [Abstract]      
Prior (396)   (885)
Originated, four years before current fiscal year 0   0
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis (100)   0
Revolving Loans Convert. to Term 0   (1,135)
YTD Gross Charge-offs (496) (868) (2,020)
Commercial | Pass      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 193,755   157,563
Originated, four years before current fiscal year 35,451   48,524
Originated, three years before current fiscal year 174,103   39,133
Originated, two years before current fiscal year 141,181   194,555
Originated, fiscal year before current fiscal year 187,057   149,320
Originated, current fiscal year 24,604   191,889
Revolving Loans Amort. Cost Basis 569,226   623,684
Revolving Loans Convert. to Term 1,154   5,207
Loans 1,326,531   1,409,875
Commercial | Special Mention      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 8,493   1,415
Originated, four years before current fiscal year 0   0
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 4,286   2,259
Revolving Loans Convert. to Term 8,058   0
Loans 20,837   3,674
Commercial | Substandard      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 13,771   13,797
Originated, four years before current fiscal year 9,371   58
Originated, three years before current fiscal year 1,538   10,337
Originated, two years before current fiscal year 281   1,509
Originated, fiscal year before current fiscal year 0   222
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 36,438   33,670
Revolving Loans Convert. to Term 0   624
Loans 61,399   60,217
PPP loans      
Loans and Leases Receivable Disclosure [Abstract]      
Loans 467   528
PPP loans | Pass      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 0   0
Originated, four years before current fiscal year 0   0
Originated, three years before current fiscal year 467   0
Originated, two years before current fiscal year 0   528
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term 0   0
Loans 467   528
Income-producing - commercial real estate      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 1,822,342   1,482,483
Originated, four years before current fiscal year 315,317   434,112
Originated, three years before current fiscal year 559,404   335,483
Originated, two years before current fiscal year 755,375   517,957
Originated, fiscal year before current fiscal year 299,264   732,291
Originated, current fiscal year 26,251   327,126
Revolving Loans Amort. Cost Basis 243,343   263,317
Revolving Loans Convert. to Term 19,359   1,845
Loans 4,040,655   4,094,614
Financial Asset, Write Offs [Abstract]      
Prior (20,943)   (11,817)
Originated, four years before current fiscal year 0   0
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term 0   0
YTD Gross Charge-offs (20,943) 0 (11,817)
Income-producing - commercial real estate | Pass      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 1,452,244   1,257,937
Originated, four years before current fiscal year 308,573   326,999
Originated, three years before current fiscal year 559,404   328,743
Originated, two years before current fiscal year 755,375   517,957
Originated, fiscal year before current fiscal year 299,264   732,291
Originated, current fiscal year 26,251   327,126
Revolving Loans Amort. Cost Basis 243,343   263,317
Revolving Loans Convert. to Term 19,359   1,845
Loans 3,663,813   3,756,215
Income-producing - commercial real estate | Special Mention      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 170,118   84,585
Originated, four years before current fiscal year 6,744   44,424
Originated, three years before current fiscal year 0   6,740
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term 0   0
Loans 176,862   135,749
Income-producing - commercial real estate | Substandard      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 199,980   139,961
Originated, four years before current fiscal year 0   62,689
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term 0   0
Loans 199,980   202,650
Owner-occupied - commercial real estate      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 753,971   625,980
Originated, four years before current fiscal year 35,968   116,382
Originated, three years before current fiscal year 222,361   36,659
Originated, two years before current fiscal year 41,514   202,776
Originated, fiscal year before current fiscal year 126,663   41,907
Originated, current fiscal year 4,590   125,934
Revolving Loans Amort. Cost Basis 515   673
Revolving Loans Convert. to Term 0   21,928
Loans 1,185,582   1,172,239
Financial Asset, Write Offs [Abstract]      
YTD Gross Charge-offs 0 0  
Owner-occupied - commercial real estate | Pass      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 628,063   534,525
Originated, four years before current fiscal year 34,703   103,034
Originated, three years before current fiscal year 222,361   35,385
Originated, two years before current fiscal year 41,514   202,776
Originated, fiscal year before current fiscal year 126,663   41,907
Originated, current fiscal year 4,590   125,934
Revolving Loans Amort. Cost Basis 515   673
Revolving Loans Convert. to Term 0   55
Loans 1,058,409   1,044,289
Owner-occupied - commercial real estate | Special Mention      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 61,117   54,288
Originated, four years before current fiscal year 0   13,348
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term 0   0
Loans 61,117   67,636
Owner-occupied - commercial real estate | Substandard      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 64,791   37,167
Originated, four years before current fiscal year 1,265   0
Originated, three years before current fiscal year 0   1,274
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term 0   21,873
Loans 66,056   60,314
Real estate mortgage - residential      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 33,666   27,047
Originated, four years before current fiscal year 2,175   7,545
Originated, three years before current fiscal year 15,668   2,186
Originated, two years before current fiscal year 14,689   15,967
Originated, fiscal year before current fiscal year 5,889   14,756
Originated, current fiscal year 0   5,895
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term 0   0
Loans 72,087   73,396
Financial Asset, Write Offs [Abstract]      
YTD Gross Charge-offs 0 0  
Real estate mortgage - residential | Pass      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 29,496   22,877
Originated, four years before current fiscal year 2,175   7,545
Originated, three years before current fiscal year 15,668   2,186
Originated, two years before current fiscal year 14,689   15,967
Originated, fiscal year before current fiscal year 5,889   14,756
Originated, current fiscal year 0   5,895
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term 0   0
Loans 67,917   69,226
Real estate mortgage - residential | Substandard      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 4,170   4,170
Originated, four years before current fiscal year 0   0
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term 0   0
Loans 4,170   4,170
Construction - commercial and residential      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 83,920   38,743
Originated, four years before current fiscal year 40,902   3,440
Originated, three years before current fiscal year 241,373   45,739
Originated, two years before current fiscal year 485,461   251,038
Originated, fiscal year before current fiscal year 89,757   419,393
Originated, current fiscal year 3,874   87,400
Revolving Loans Amort. Cost Basis 136,092   124,013
Revolving Loans Convert. to Term 1,177   0
Loans 1,082,556   969,766
Financial Asset, Write Offs [Abstract]      
Prior (129)   (136)
Originated, four years before current fiscal year 0   (5,500)
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term 0   0
YTD Gross Charge-offs (129) (136) (5,636)
Construction - commercial and residential | Pass      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 77,388   30,619
Originated, four years before current fiscal year 11,101   3,440
Originated, three years before current fiscal year 241,373   45,739
Originated, two years before current fiscal year 485,461   251,038
Originated, fiscal year before current fiscal year 89,757   419,393
Originated, current fiscal year 3,874   87,400
Revolving Loans Amort. Cost Basis 136,092   124,013
Revolving Loans Convert. to Term 1,177   0
Loans 1,046,223   961,642
Construction - commercial and residential | Special Mention      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 6,532    
Originated, four years before current fiscal year 0    
Originated, three years before current fiscal year 0    
Originated, two years before current fiscal year 0    
Originated, fiscal year before current fiscal year 0    
Originated, current fiscal year 0    
Revolving Loans Amort. Cost Basis 0    
Revolving Loans Convert. to Term 0    
Loans 6,532    
Construction - commercial and residential | Substandard      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 0   8,124
Originated, four years before current fiscal year 29,801   0
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term 0   0
Loans 29,801   8,124
Construction - C&I (owner occupied) | Pass      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 26,151   18,551
Originated, four years before current fiscal year 56,094   4,265
Originated, three years before current fiscal year 615   56,361
Originated, two years before current fiscal year 33,242   618
Originated, fiscal year before current fiscal year 15,084   33,237
Originated, current fiscal year 0   12,619
Revolving Loans Amort. Cost Basis 7,193   6,370
Revolving Loans Convert. to Term 0   0
Loans 138,379   132,021
Home equity      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 1,829   1,590
Originated, four years before current fiscal year 86   36
Originated, three years before current fiscal year 422   87
Originated, two years before current fiscal year 117   151
Originated, fiscal year before current fiscal year 0   118
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 50,651   49,097
Revolving Loans Convert. to Term 146   885
Loans 53,251   51,964
Financial Asset, Write Offs [Abstract]      
YTD Gross Charge-offs 0 0  
Home equity | Pass      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 1,758   1,590
Originated, four years before current fiscal year 86   0
Originated, three years before current fiscal year 185   87
Originated, two years before current fiscal year 117   151
Originated, fiscal year before current fiscal year 0   118
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 50,589   49,035
Revolving Loans Convert. to Term 146   643
Loans 52,881   51,624
Home equity | Substandard      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 71   0
Originated, four years before current fiscal year 0   36
Originated, three years before current fiscal year 237   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 62   62
Revolving Loans Convert. to Term 0   242
Loans 370   340
Other consumer      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 2   1
Originated, four years before current fiscal year 0   0
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   46
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 956   354
Revolving Loans Convert. to Term 0   0
Loans 958   401
Financial Asset, Write Offs [Abstract]      
Prior 0   (50)
Originated, four years before current fiscal year 0   0
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   0
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 0   0
Revolving Loans Convert. to Term (1)   0
YTD Gross Charge-offs (1) $ (50) (50)
Other consumer | Pass      
Loans and Leases Receivable Disclosure [Abstract]      
Prior 2   1
Originated, four years before current fiscal year 0   0
Originated, three years before current fiscal year 0   0
Originated, two years before current fiscal year 0   0
Originated, fiscal year before current fiscal year 0   46
Originated, current fiscal year 0   0
Revolving Loans Amort. Cost Basis 956   354
Revolving Loans Convert. to Term 0   0
Loans $ 958   $ 401