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Loans and Allowance for Credit Losses on Loans - Aging Analysis (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Aged analysis of past due loans
Total Loans	$ 4,015,525	$ 3,869,609
Total loans, including deferred loan loan costs and PCI	3,960,211	3,820,129
Recorded Investment 90 days or Greater Past Due and Accruing	308	1,262
Special Mention [Member]
Aged analysis of past due loans
Total Loans	145,593	179,029
Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	47,645
Total Past Due Including PCI loans		22,214
30 to 59 Days Past Due
Aged analysis of past due loans
Current	9,267
Total Past Due Including PCI loans		6,326
60 to 89 Days Past Due
Aged analysis of past due loans
Current	4,504
Total Past Due Including PCI loans		2,874
90 Days or Greater Past Due
Aged analysis of past due loans
Current	33,874
Total Past Due Including PCI loans		13,014
Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	3,967,880
Current including PCI Loans		3,847,395
Commercial
Aged analysis of past due loans
Total Loans	820,027	840,964
Recorded Investment 90 days or Greater Past Due and Accruing		460
Commercial | Special Mention [Member]
Aged analysis of past due loans
Total Loans	29,140	27,047
Commercial | Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	970	1,840
Commercial | 30 to 59 Days Past Due
Aged analysis of past due loans
Current		3
Commercial | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	879	1,012
Commercial | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	91	825
Commercial | Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	819,057	839,124
Leases
Aged analysis of past due loans
Total Loans	314,919	277,385
Leases | Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	490	1,083
Leases | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	453	447
Leases | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	37	22
Leases | 90 Days or Greater Past Due
Aged analysis of past due loans
Current		614
Leases | Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	314,429	276,302
Commercial real estate - Investor
Aged analysis of past due loans
Total Loans	1,080,073	987,635
Recorded Investment 90 days or Greater Past Due and Accruing	149
Commercial real estate - Investor | Special Mention [Member]
Aged analysis of past due loans
Total Loans	18,294	32,655
Commercial real estate - Investor | Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	26,732	8,867
Commercial real estate - Investor | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	132	3,276
Commercial real estate - Investor | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	21	1,276
Commercial real estate - Investor | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	26,579	4,315
Commercial real estate - Investor | Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	1,053,341	978,768
Commercial real estate - Owner occupied
Aged analysis of past due loans
Total Loans	824,277	854,879
Recorded Investment 90 days or Greater Past Due and Accruing		173
Commercial real estate - Owner occupied | Special Mention [Member]
Aged analysis of past due loans
Total Loans	73,559	97,763
Commercial real estate - Owner occupied | Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	7,474	2,697
Commercial real estate - Owner occupied | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	1,120	373
Commercial real estate - Owner occupied | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	2,037	113
Commercial real estate - Owner occupied | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	4,317	2,211
Commercial real estate - Owner occupied | Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	816,803	852,182
Real estate - construction
Aged analysis of past due loans
Total Loans	189,058	180,535
Real estate - construction | Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	116	130
Real estate - construction | 30 to 59 Days Past Due
Aged analysis of past due loans
Current		14
Real estate - construction | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	116	116
Real estate - construction | Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	188,942	180,405
Residential real estate - Investor
Aged analysis of past due loans
Total Loans	55,935	57,353
Recorded Investment 90 days or Greater Past Due and Accruing		144
Residential real estate - Investor | Special Mention [Member]
Aged analysis of past due loans
Total Loans	68	70
Residential real estate - Investor | Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	1,199	1,432
Residential real estate - Investor | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	447	445
Residential real estate - Investor | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	460
Residential real estate - Investor | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	292	987
Residential real estate - Investor | Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	54,736	55,921
Residential real estate - Owner occupied
Aged analysis of past due loans
Total Loans	218,205	219,718
Recorded Investment 90 days or Greater Past Due and Accruing		485
Residential real estate - Owner occupied | Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	3,158	3,423
Residential real estate - Owner occupied | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	179	1,191
Residential real estate - Owner occupied | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	731
Residential real estate - Owner occupied | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	2,248	2,232
Residential real estate - Owner occupied | Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	215,047	216,295
Multifamily
Aged analysis of past due loans
Total Loans	383,184	323,691
Multifamily | Special Mention [Member]
Aged analysis of past due loans
Total Loans	6,530	6,086
Multifamily | Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	6,712	1,950
Multifamily | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	6,386	267
Multifamily | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	326	361
Multifamily | 90 Days or Greater Past Due
Aged analysis of past due loans
Current		1,322
Multifamily | Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	376,472	321,741
HELOC
Aged analysis of past due loans
Total Loans	102,058	109,202
Recorded Investment 90 days or Greater Past Due and Accruing	159
HELOC | Special Mention [Member]
Aged analysis of past due loans
Total Loans		111
HELOC | Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	791	773
HELOC | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	549	291
HELOC | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	11	90
HELOC | 90 Days or Greater Past Due
Aged analysis of past due loans
Current	231	392
HELOC | Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	101,267	108,429
Other
Aged analysis of past due loans
Total Loans	27,789	18,247
Other | Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	3	19
Other | 30 to 59 Days Past Due
Aged analysis of past due loans
Current	1	19
Other | 60 to 89 Days Past Due
Aged analysis of past due loans
Current	2
Other | Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	$ 27,786	$ 18,228

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