Loans and Allowance for Credit Losses on Loans - Aging Analysis (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($) item
Aged analysis of past due loans
Nonaccrual	$ 41,531	$ 22,280
Non accrual including PCI Loans		2,034,851
Total Loans	3,421,948	2,034,851
Total loans, including deferred loan loan costs and PCI	3,377,667	2,000,996
Recorded Investment 90 days or Greater Past Due and Accruing	$ 3,110
Total Loans		$ 434
Number of loan modifications, CARES Act \| item	509	509
Number of loan modifications with deferral request, CARES Act \| item	7
Number of loan modifications resumed payments, CARES Act \| item	502
Number of loan modifications in non accrual status, CARES Act \| item	6
Pre-modification, CARES Act	$ 242,700	$ 242,700
Post-modification, CARES Act	7,800
Loan modification CARES Act, resumed payments	234,900
Total non accrual loans	7,700
Special Mention [Member]
Aged analysis of past due loans
Total Loans	48,236
Financial Asset, Past Due [Member]
Aged analysis of past due loans
Total Past Due Including PCI loans	27,342	22,948
30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due Including PCI loans	9,342	10,916
60 to 89 Days Past Due
Aged analysis of past due loans
Current	4,356
Total Past Due Including PCI loans		1,840
90 Days or Greater Past Due
Aged analysis of past due loans
Current	13,644
Total Past Due Including PCI loans		10,192
Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	3,394,606
Current including PCI Loans		2,011,903
Commercial
Aged analysis of past due loans
Nonaccrual	11,894	1,125
Total Loans	771,474	407,159
Recorded Investment 90 days or Greater Past Due and Accruing	1,396
Commercial \| Special Mention [Member]
Aged analysis of past due loans
Total Loans	4,530	5,702
Commercial \| Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	6,648	52
Commercial \| 30 to 59 Days Past Due
Aged analysis of past due loans
Current	3,407
Commercial \| 60 to 89 Days Past Due
Aged analysis of past due loans
Current	1,413
Commercial \| 90 Days or Greater Past Due
Aged analysis of past due loans
Current	1,828	52
Commercial \| Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	764,826	407,107
Leases
Aged analysis of past due loans
Nonaccrual	3,754	2,638
Total Loans	176,031	141,601
Recorded Investment 90 days or Greater Past Due and Accruing		163
Leases \| Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	1,696	988
Leases \| 30 to 59 Days Past Due
Aged analysis of past due loans
Current	125	613
Leases \| 60 to 89 Days Past Due
Aged analysis of past due loans
Current		59
Leases \| 90 Days or Greater Past Due
Aged analysis of past due loans
Current	1,571	316
Leases \| Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	174,335	140,613
Leases \| Non-PCI \| Special Mention [Member]
Aged analysis of past due loans
Total Loans		338
Commercial real estate - Investor
Aged analysis of past due loans
Nonaccrual	5,694	1,632
Total Loans	957,389	582,042
Commercial real estate - Investor \| Special Mention [Member]
Aged analysis of past due loans
Total Loans	26,016	12,301
Commercial real estate - Investor \| Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	1,374	2,547
Commercial real estate - Investor \| 30 to 59 Days Past Due
Aged analysis of past due loans
Current		1,439
Commercial real estate - Investor \| 60 to 89 Days Past Due
Aged analysis of past due loans
Current	267
Commercial real estate - Investor \| 90 Days or Greater Past Due
Aged analysis of past due loans
Current	1,107	1,108
Commercial real estate - Investor \| Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	956,015	579,495
Commercial real estate - Owner occupied
Aged analysis of past due loans
Nonaccrual	11,637	9,262
Total Loans	574,384	333,070
Recorded Investment 90 days or Greater Past Due and Accruing	1,594
Commercial real estate - Owner occupied \| Special Mention [Member]
Aged analysis of past due loans
Total Loans	2,953	604
Commercial real estate - Owner occupied \| Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	7,672	10,115
Commercial real estate - Owner occupied \| 30 to 59 Days Past Due
Aged analysis of past due loans
Current	2,324	1,848
Commercial real estate - Owner occupied \| 60 to 89 Days Past Due
Aged analysis of past due loans
Current	500	958
Commercial real estate - Owner occupied \| 90 Days or Greater Past Due
Aged analysis of past due loans
Current	4,848	7,309
Commercial real estate - Owner occupied \| Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	566,712	322,955
Real estate - construction
Aged analysis of past due loans
Nonaccrual	160
Total Loans	206,132	98,486
Real estate - construction \| Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	854	1,237
Real estate - construction \| 30 to 59 Days Past Due
Aged analysis of past due loans
Current	854	1,237
Real estate - construction \| Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	205,278	97,249
Residential real estate - Investor
Aged analysis of past due loans
Nonaccrual	876	928
Total Loans	63,399	56,137
Recorded Investment 90 days or Greater Past Due and Accruing	23	157
Residential real estate - Investor \| Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	1,657	1,526
Residential real estate - Investor \| 30 to 59 Days Past Due
Aged analysis of past due loans
Current	395	1,022
Residential real estate - Investor \| 60 to 89 Days Past Due
Aged analysis of past due loans
Current	470	20
Residential real estate - Investor \| 90 Days or Greater Past Due
Aged analysis of past due loans
Current	792	484
Residential real estate - Investor \| Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	61,742	54,611
Residential real estate - Owner occupied
Aged analysis of past due loans
Nonaccrual	4,898	3,206
Total Loans	213,248	116,388
Recorded Investment 90 days or Greater Past Due and Accruing	97	114
Residential real estate - Owner occupied \| Special Mention [Member]
Aged analysis of past due loans
Total Loans	659
Residential real estate - Owner occupied \| Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	5,662	1,862
Residential real estate - Owner occupied \| 30 to 59 Days Past Due
Aged analysis of past due loans
Current	1,994	859
Residential real estate - Owner occupied \| 60 to 89 Days Past Due
Aged analysis of past due loans
Current	591	286
Residential real estate - Owner occupied \| 90 Days or Greater Past Due
Aged analysis of past due loans
Current	3,077	717
Residential real estate - Owner occupied \| Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	207,586	114,526
Multifamily
Aged analysis of past due loans
Nonaccrual	1,573	2,437
Total Loans	309,164	189,040
Multifamily \| Special Mention [Member]
Aged analysis of past due loans
Total Loans	6,900	7,449
Multifamily \| Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	1,046	3,749
Multifamily \| 30 to 59 Days Past Due
Aged analysis of past due loans
Current		3,282
Multifamily \| 60 to 89 Days Past Due
Aged analysis of past due loans
Current	1,046	467
Multifamily \| Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	308,118	185,291
HELOC
Aged analysis of past due loans
Nonaccrual	862	1,052
Total Loans	115,664	80,908
HELOC \| Special Mention [Member]
Aged analysis of past due loans
Total Loans	108	94
HELOC \| Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	434	805
HELOC \| 30 to 59 Days Past Due
Aged analysis of past due loans
Current	193	549
HELOC \| 60 to 89 Days Past Due
Aged analysis of past due loans
Current	23	50
HELOC \| 90 Days or Greater Past Due
Aged analysis of past due loans
Current	218	206
HELOC \| Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	115,230	80,103
HELOC - Purchased
Aged analysis of past due loans
Nonaccrual	180
Total Loans	10,626	19,487
HELOC - Purchased \| Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	180	47
HELOC - Purchased \| 30 to 59 Days Past Due
Aged analysis of past due loans
Current		47
HELOC - Purchased \| 90 Days or Greater Past Due
Aged analysis of past due loans
Current	180
HELOC - Purchased \| Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	10,446	19,440
Other
Aged analysis of past due loans
Total Loans	24,437	10,533
Other \| Financial Asset, Past Due [Member]
Aged analysis of past due loans
Current	119	20
Other \| 30 to 59 Days Past Due
Aged analysis of past due loans
Current	50	20
Other \| 60 to 89 Days Past Due
Aged analysis of past due loans
Current	46
Other \| 90 Days or Greater Past Due
Aged analysis of past due loans
Current	23
Other \| Financial Asset, Not Past Due [Member]
Aged analysis of past due loans
Current	24,318	10,513
Other 1
Aged analysis of past due loans
Nonaccrual	$ 3
Total Loans		2,034,851
Other 1 \| Special Mention [Member]
Aged analysis of past due loans
Total Loans		$ 26,526

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