Loan Servicing (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Loan Servicing
Balance, beginning of period	$ 110,348	$ 82,604	$ 74,387
Paydowns	(10,985)	(16,691)	(7,838)
Sold Servicing		(438)
Changes in fair value due to changes in valuation inputs or assumptions used in the valuation model	19,761	12,395	(5,834)
Balance, end of period	146,248	110,348	82,604
Revenue from specified servicing fee	21,400	20,700	11,900
Escrow funds	777,700	695,900
Customer servicing loan	6,200	4,800
Purchased servicing
Loan Servicing
Additions		2,057
Originated servicing
Loan Servicing
Additions	$ 27,124	30,421	$ 21,889
Mortgage Loans
Loan Servicing
Sliding scale to deter prepayments (in years)	10 years
Unpaid principal balances of mortgage and other loans serviced for others	$ 13,100,000	10,600,000
Unpaid principal balances of loans subserviced for others	1,900,000	700,000
Unpaid principal balances of loans others servicing	700	0
Multi-family financing \| Mortgage Loans
Loan Servicing
Unpaid principal balances of mortgage loan	$ 21,900	$ 16,100

The amount of revenue from servicing the loans retained, purchased and sun-serviced by the company.

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- Definition

The duration of sliding scale to deter prepayments.

+ References

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- Definition

Amount of unpaid principal balance of mortgage and other loans serviced for others.

+ References

No definition available.

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- Definition

Amount of unpaid principal balance of mortgage loans other serviced.

+ References

No definition available.

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Amount of unpaid principal balance of mortgage loans serviced.

+ References

No definition available.

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- Definition

Amount of unpaid principal balance of loans subserviced for others.

+ References

No definition available.

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- Definition

The amount of loans serviced for customers that have loans on balance sheet.

+ References

No definition available.

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- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
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-Paragraph 1
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- Definition

Amount conveyed to unrelated parties of contract to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 4
-Subparagraph (a)(3)
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- Definition

The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

Amount of increase (decrease) in fair value from changes in the inputs, assumptions, or model used to calculate the fair value of the contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 3
-Subparagraph (a)(4)(i)
-URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122625-111746

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- Definition

Decrease in servicing assets subsequently measured at fair value resulting from conveyance of servicing rights to unrelated parties.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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