Loans Receivable - Schedule of Loans On Nonaccrual Status (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total TDR loans	$ 2,100
Nonaccrual loans	201
Impaired Financing Receivable, Recorded Investment	46,775	$ 48,521
Financing Receivable, Nonaccrual, No Allowance	201
Financing Receivable, With Allowance, Nonaccrual	0
Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total TDR loans	0
Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Impaired Financing Receivable, Recorded Investment	1,620
Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Impaired Financing Receivable, Recorded Investment	45,155
Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Impaired Financing Receivable, Recorded Investment	46,775
Real Estate \| Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Impaired Financing Receivable, Recorded Investment	1,620
Real Estate \| Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Impaired Financing Receivable, Recorded Investment	45,155
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual loans	201
Financing Receivable, Nonaccrual, No Allowance	201
Financing Receivable, With Allowance, Nonaccrual	0
Consumer \| Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total TDR loans	$ 0

Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months

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- Definition

Financing Receivable, With Allowance, Nonaccrual

+ References

No definition available.

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- Definition

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+ References

No definition available.

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- Definition

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

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- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (3)

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (2)

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524

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