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Loans Receivable - Loans and leases outstanding by category (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loans Receivable
Mortgage loans held for sale	$ 170,248	$ 229,199
Total portfolio loans and leases	1,359,048	1,289,756
Total loans and leases	1,529,296	1,518,955
Loans at fair value	13,590	12,182
Real estate loans
Loans Receivable
Total portfolio loans and leases	756,685	742,790
Commercial mortgage
Loans Receivable
Total portfolio loans and leases	517,421	485,103
Home equity lines and loans
Loans Receivable
Total portfolio loans and leases	55,578	64,987
Residential mortgage
Loans Receivable
Total portfolio loans and leases	49,085	52,454
Loans at fair value	13,590	12,182
Construction
Loans Receivable
Total portfolio loans and leases	134,601	140,246
Commercial and industrial, including leases
Loans Receivable
Total portfolio loans and leases	261,421	261,750
Small business loans
Loans Receivable
Total portfolio loans and leases	62,373	49,542
Paycheck Protection Program loans ("PPP")
Loans Receivable
Total portfolio loans and leases	230,847	203,543
MainStreet Lending Program Loans ("PPP")
Loans Receivable
Total portfolio loans and leases	583	580
Consumer
Loans Receivable
Total portfolio loans and leases	469	511
Leases
Loans Receivable
Total portfolio loans and leases	$ 46,670	$ 31,040

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- Definition

The total amount of loans receivable before allowances and fees.

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- Definition

Fair value portion of mortgage loans held-for-investment.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

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- Definition

Amount, before valuation allowance, of financing receivable classified as held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=120238483&loc=d3e48678-111004

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