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Loans Receivable and Allowance for Loan Losses (Loan Portfolio by Pass Rating) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 3,082,418	$ 2,343,937
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	17,800	39,200
Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	250,123	224,534
Commercial And Multi-Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	2,345,229	1,720,174
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	144,931	153,904
Commercial Business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	282,007	191,139
Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	56,888	50,469
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	3,240	3,717
Originated Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	3,082,418	2,343,937
Originated Loans [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	3,045,700	2,254,421
Originated Loans [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	18,902	50,359
Originated Loans [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	17,816	39,157
Originated Loans [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	250,123	224,534
Originated Loans [Member] | Residential [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	249,398	223,660
Originated Loans [Member] | Residential [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	303	505
Originated Loans [Member] | Residential [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	422	369
Originated Loans [Member] | Commercial And Multi-Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	2,345,229	1,720,174
Originated Loans [Member] | Commercial And Multi-Family [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	2,320,865	1,647,701
Originated Loans [Member] | Commercial And Multi-Family [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	14,183	45,087
Originated Loans [Member] | Commercial And Multi-Family [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	10,181	27,386
Originated Loans [Member] | Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	144,931	153,904
Originated Loans [Member] | Construction [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	141,751	151,057
Originated Loans [Member] | Construction [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	3,180	2,847
Originated Loans [Member] | Commercial Business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	282,007	191,139
Originated Loans [Member] | Commercial Business [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	273,770	178,056
Originated Loans [Member] | Commercial Business [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	4,416	4,767
Originated Loans [Member] | Commercial Business [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	3,821	8,316
Originated Loans [Member] | Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	56,888	50,469
Originated Loans [Member] | Home Equity [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	56,676	50,230
Originated Loans [Member] | Home Equity [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	212	239
Originated Loans [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	3,240	3,717
Originated Loans [Member] | Consumer [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 3,240	$ 3,717

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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 https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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