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Loans and Allowance for Credit Losses on Loans - Aging Analysis (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Aged analysis of past due loans
Total Loans	$ 3,991,078	$ 4,042,953
Recorded Investment 90 days or Greater Past Due and Accruing	109	1,196
Special Mention
Aged analysis of past due loans
Total Loans	74,797	70,577
Financial Asset, Past Due
Aged analysis of past due loans
Current	66,041
Total Past Due Including PCI loans		49,392
30 to 59 Days Past Due
Aged analysis of past due loans
Current	15,408
Total Past Due Including PCI loans		10,176
60 to 89 Days Past Due
Aged analysis of past due loans
Current	16,394
Total Past Due Including PCI loans		6,134
90 Days or Greater Past Due
Aged analysis of past due loans
Current	34,239
Total Past Due Including PCI loans		33,082
Financial Asset, Not Past Due
Aged analysis of past due loans
Current	3,925,037
Current including PCI Loans		3,993,561
Commercial
Aged analysis of past due loans
Total Loans	814,668	841,697
Recorded Investment 90 days or Greater Past Due and Accruing		1,155
Commercial | Special Mention
Aged analysis of past due loans
Total Loans	12,963	8,007
Commercial | Financial Asset, Past Due
Aged analysis of past due loans
Current	17,945	2,210
Commercial | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	3,671	982
Commercial | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	2,303
Commercial | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	11,971	1,228
Commercial | Financial Asset, Not Past Due
Aged analysis of past due loans
Current	796,723	839,487
Leases
Aged analysis of past due loans
Total Loans	458,317	398,223
Leases | Special Mention
Aged analysis of past due loans
Total Loans	1,474
Leases | Financial Asset, Past Due
Aged analysis of past due loans
Current	1,423	946
Leases | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	356	599
Leases | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	481
Leases | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	586	347
Leases | Financial Asset, Not Past Due
Aged analysis of past due loans
Current	456,894	397,277
Commercial real estate - Investor
Aged analysis of past due loans
Total Loans	1,045,060	1,034,424
Commercial real estate - Investor | Special Mention
Aged analysis of past due loans
Total Loans	4,162	11,267
Commercial real estate - Investor | Financial Asset, Past Due
Aged analysis of past due loans
Current	492	7,296
Commercial real estate - Investor | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	492	1,209
Commercial real estate - Investor | 90 Days or Greater Past Due
Aged analysis of past due loans
Current		6,087
Commercial real estate - Investor | Financial Asset, Not Past Due
Aged analysis of past due loans
Current	1,044,568	1,027,128
Commercial real estate - Owner occupied
Aged analysis of past due loans
Total Loans	718,265	796,538
Commercial real estate - Owner occupied | Special Mention
Aged analysis of past due loans
Total Loans	24,262	35,677
Commercial real estate - Owner occupied | Financial Asset, Past Due
Aged analysis of past due loans
Current	35,537	21,474
Commercial real estate - Owner occupied | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	9,728	2,103
Commercial real estate - Owner occupied | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	13,393	3,726
Commercial real estate - Owner occupied | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	12,416	15,645
Commercial real estate - Owner occupied | Financial Asset, Not Past Due
Aged analysis of past due loans
Current	682,728	775,064
Real estate - construction
Aged analysis of past due loans
Total Loans	206,458	165,380
Real estate - construction | Financial Asset, Past Due
Aged analysis of past due loans
Current	5,766	10,008
Real estate - construction | 30 to 59 Days Past Due
Aged analysis of past due loans
Current		2,540
Real estate - construction | 60 to 89 Days Past Due
Aged analysis of past due loans
Current		307
Real estate - construction | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	5,766	7,161
Real estate - construction | Financial Asset, Not Past Due
Aged analysis of past due loans
Current	200,692	155,372
Residential real estate - Investor
Aged analysis of past due loans
Total Loans	50,332	52,595
Residential real estate - Investor | Special Mention
Aged analysis of past due loans
Total Loans	543	66
Residential real estate - Investor | Financial Asset, Past Due
Aged analysis of past due loans
Current	449	1,287
Residential real estate - Investor | 30 to 59 Days Past Due
Aged analysis of past due loans
Current		540
Residential real estate - Investor | 60 to 89 Days Past Due
Aged analysis of past due loans
Current		579
Residential real estate - Investor | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	449	168
Residential real estate - Investor | Financial Asset, Not Past Due
Aged analysis of past due loans
Current	49,883	51,308
Residential real estate - Owner occupied
Aged analysis of past due loans
Total Loans	208,227	226,248
Recorded Investment 90 days or Greater Past Due and Accruing	69
Residential real estate - Owner occupied | Financial Asset, Past Due
Aged analysis of past due loans
Current	2,104	2,622
Residential real estate - Owner occupied | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	75	553
Residential real estate - Owner occupied | 60 to 89 Days Past Due
Aged analysis of past due loans
Current		125
Residential real estate - Owner occupied | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	2,029	1,944
Residential real estate - Owner occupied | Financial Asset, Not Past Due
Aged analysis of past due loans
Current	206,123	223,626
Multifamily
Aged analysis of past due loans
Total Loans	375,394	401,696
Multifamily | Special Mention
Aged analysis of past due loans
Total Loans	9,997	15,560
Multifamily | Financial Asset, Past Due
Aged analysis of past due loans
Current	1,725	1,318
Multifamily | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	658	1,085
Multifamily | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	206
Multifamily | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	861	233
Multifamily | Financial Asset, Not Past Due
Aged analysis of past due loans
Current	373,669	400,378
HELOC
Aged analysis of past due loans
Total Loans	102,611	103,237
Recorded Investment 90 days or Greater Past Due and Accruing	40	41
HELOC | Financial Asset, Past Due
Aged analysis of past due loans
Current	584	2,230
HELOC | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	423	565
HELOC | 60 to 89 Days Past Due
Aged analysis of past due loans
Current		1,396
HELOC | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	161	269
HELOC | Financial Asset, Not Past Due
Aged analysis of past due loans
Current	102,027	101,007
Other
Aged analysis of past due loans
Total Loans	11,746	22,915
Other | Financial Asset, Past Due
Aged analysis of past due loans
Current	16	1
Other | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	5
Other | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	11	1
Other | Financial Asset, Not Past Due
Aged analysis of past due loans
Current	$ 11,730	$ 22,914

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