Loans and Allowance for Credit Losses on Loans - Aging Analysis (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Aged analysis of past due loans
Total Past Due	$ 25,077
Current	2,027,259
Total Past Due Including PCI loans		$ 17,196
Current including PCI Loans		1,898,221
Non accrual including PCI Loans	18,343	15,395
Total loans, excluding PCI loans	2,052,336	1,922,211
PCI loans	2,052,336	1,930,812
Total loans, including deferred loan loan costs and PCI	2,052,336	1,930,812
Recorded Investment 90 days or Greater Past Due and Accruing	840	2,628
Total Loans	2,052,336
30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due	8,502
Total Past Due Including PCI loans		9,379
60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due	3,856
Total Past Due Including PCI loans		5,272
90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	12,719
Total Past Due Including PCI loans		2,545
PCI
Aged analysis of past due loans
Total Past Due		261
Current		5,377
Nonaccrual		2,963
PCI loans		8,601
PCI \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due		261
Non-PCI
Aged analysis of past due loans
Total Past Due		16,935
Current		1,892,844
Nonaccrual	18,343	12,432
Total loans, excluding PCI loans		1,922,211
Recorded Investment 90 days or Greater Past Due and Accruing		2,628
Non-PCI \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due		9,118
Non-PCI \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due		5,272
Non-PCI \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due		2,545
Commercial
Aged analysis of past due loans
Total Past Due	2,164	4,299
Current	439,478	328,399
Nonaccrual	2,168	144
Total loans, excluding PCI loans		332,842
Total loans, including deferred loan loan costs and PCI	441,642
Recorded Investment 90 days or Greater Past Due and Accruing		2,132
Total Loans	441,642
Commercial \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due		1,271
Commercial \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due	13	925
Commercial \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	2,151	2,103
Leases
Aged analysis of past due loans
Total Past Due	689	443
Current	132,604	118,979
Nonaccrual	181	329
Total loans, excluding PCI loans		119,751
Total loans, including deferred loan loan costs and PCI	133,293
Recorded Investment 90 days or Greater Past Due and Accruing		128
Total Loans	133,293
Leases \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due	93	362
Leases \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due	415
Leases \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	181	81
Commercial real estate - Investor
Aged analysis of past due loans
Total Past Due	2,187	1,064
Current	523,527	517,336
Nonaccrual	1,968	1,695
Total loans, excluding PCI loans		520,095
Total loans, including deferred loan loan costs and PCI	525,714
Recorded Investment 90 days or Greater Past Due and Accruing		348
Total Loans	525,714
Commercial real estate - Investor \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due	242	626
Commercial real estate - Investor \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due	430	95
Commercial real estate - Investor \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	1,515	343
Commercial real estate - Owner occupied
Aged analysis of past due loans
Total Past Due		3,495
Current		336,829
Nonaccrual	6,644	5,180
Total loans, excluding PCI loans		345,504
Total loans, including deferred loan loan costs and PCI	343,982
Commercial real estate - Owner occupied \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due		2,469
Commercial real estate - Owner occupied \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due		1,026
Real estate - construction
Aged analysis of past due loans
Total Past Due		26
Current		69,498
Nonaccrual	2,151	93
Total loans, excluding PCI loans		69,617
Real estate - construction \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due		26
Real estate - construction \| Commercial Real Estate Owner Occupied Special Purpose Loan [Member]
Aged analysis of past due loans
Total Past Due	3,660
Current	80,279
Recorded Investment 90 days or Greater Past Due and Accruing	52
Total Loans	83,939
Real estate - construction \| Commercial Real Estate Owner Occupied Special Purpose Loan [Member] \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due	3,285
Real estate - construction \| Commercial Real Estate Owner Occupied Special Purpose Loan [Member] \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	375
Real estate - Investor
Aged analysis of past due loans
Total Past Due		266
Current		70,051
Nonaccrual	845	788
Total loans, excluding PCI loans		71,105
Total loans, including deferred loan loan costs and PCI	69,421
Real estate - Investor \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due		141
Real estate - Investor \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due		125
Real estate - Investor \| Commercial Real Estate, Non Owner Occupied General Purpose Loan [Member]
Aged analysis of past due loans
Total Past Due	929
Current	68,492
Total Loans	69,421
Real estate - Investor \| Commercial Real Estate, Non Owner Occupied General Purpose Loan [Member] \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due	80
Real estate - Investor \| Commercial Real Estate, Non Owner Occupied General Purpose Loan [Member] \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due	160
Real estate - Investor \| Commercial Real Estate, Non Owner Occupied General Purpose Loan [Member] \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	689
Real estate - Owner occupied
Aged analysis of past due loans
Total Past Due		4,801
Current		128,650
Nonaccrual	3,259	2,572
Total loans, excluding PCI loans		136,023
Total loans, including deferred loan loan costs and PCI	126,303
Real estate - Owner occupied \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due		3,450
Real estate - Owner occupied \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due		1,351
Real estate - Owner occupied \| Commercial Real Estate, Non Owner Occupied Special Purpose Loan [Member]
Aged analysis of past due loans
Total Past Due	1,627
Current	124,676
Recorded Investment 90 days or Greater Past Due and Accruing	209
Total Loans	126,303
Real estate - Owner occupied \| Commercial Real Estate, Non Owner Occupied Special Purpose Loan [Member] \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due	6
Real estate - Owner occupied \| Commercial Real Estate, Non Owner Occupied Special Purpose Loan [Member] \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due	314
Real estate - Owner occupied \| Commercial Real Estate, Non Owner Occupied Special Purpose Loan [Member] \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	1,307
Real estate - commercial \| Commercial Real Estate, Owner Occupied General Purpose Loan [Member]
Aged analysis of past due loans
Total Past Due	8,206
Current	335,776
Recorded Investment 90 days or Greater Past Due and Accruing	579
Total Loans	343,982
Real estate - commercial \| Commercial Real Estate, Owner Occupied General Purpose Loan [Member] \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due	473
Real estate - commercial \| Commercial Real Estate, Owner Occupied General Purpose Loan [Member] \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due	1,650
Real estate - commercial \| Commercial Real Estate, Owner Occupied General Purpose Loan [Member] \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	6,083
Real estate - commercial \| Real estate - construction \| Construction Real Estate, Homebuilder Loan [Member]
Aged analysis of past due loans
Total Past Due	40
Current	14,844
Total Loans	14,884
Real estate - commercial \| Real estate - construction \| Construction Real Estate, Homebuilder Loan [Member] \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due	31
Real estate - commercial \| Real estate - construction \| Construction Real Estate, Homebuilder Loan [Member] \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due	1
Real estate - commercial \| Real estate - construction \| Construction Real Estate, Homebuilder Loan [Member] \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	8
Multifamily
Aged analysis of past due loans
Total Past Due		1,710
Current		187,995
Nonaccrual	69	68
Total loans, excluding PCI loans		189,773
Multifamily \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due		10
Multifamily \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due		1,700
Multifamily \| Commercial Real Estate, Retail Properties Loan [Member]
Aged analysis of past due loans
Total Past Due	5,023
Current	192,498
Total Loans	197,521
Multifamily \| Commercial Real Estate, Retail Properties Loan [Member] \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due	4,133
Multifamily \| Commercial Real Estate, Retail Properties Loan [Member] \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due	821
Multifamily \| Commercial Real Estate, Retail Properties Loan [Member] \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	69
Multifamily \| Real estate - construction
Aged analysis of past due loans
Total loans, including deferred loan loan costs and PCI	197,521
HELOC
Aged analysis of past due loans
Total Past Due	439	803
Current	88,731	89,438
Nonaccrual	937	1,364
Total loans, excluding PCI loans		91,605
Total loans, including deferred loan loan costs and PCI	89,170
Recorded Investment 90 days or Greater Past Due and Accruing		20
Total Loans	89,170
HELOC \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due	110	735
HELOC \| 60 to 89 Days Past Due
Aged analysis of past due loans
Total Past Due	52	50
HELOC \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	277	18
HELOC - Purchased
Aged analysis of past due loans
Total Past Due	113
Current	26,354	31,672
Nonaccrual	113	180
Total loans, excluding PCI loans		31,852
Total loans, including deferred loan loan costs and PCI	26,467
Total Loans	26,467
HELOC - Purchased \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due	49
HELOC - Purchased \| 90 Days or Greater Past Due
Aged analysis of past due loans
Total Past Due	64
Other
Aged analysis of past due loans
Total Past Due		28
Current		13,997
Nonaccrual	$ 8	19
Total loans, excluding PCI loans		14,044
Other \| 30 to 59 Days Past Due
Aged analysis of past due loans
Total Past Due		$ 28

Amount of financing receivable on nonaccrual status including purchased credit impaired loans.

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Amount of financing receivable not past due including purchased credit impaired loans.

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Amount of financing receivable past due including purchased credit impaired loans.

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Amount, excluding PCI loans, before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans and purchased credit impaired loans. Excludes loans and leases covered under loss sharing agreements.

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Amount, after fee received for commitment to originate or purchase, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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