Derivative Financial Instruments - Fair Value of Hedged Items (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Notional amount, Assets	$ 1,232,019	$ 1,084,955
Notional amount, Liability	380,499	281,348
Designated as Hedging Instrument [Member] \| Loans Receivable [Member]
Notional amount, Assets	252,695	249,966
Cumulative amount, Hedged Liabilities	(20,878)	(25,922)
Designated as Hedging Instrument [Member] \| Debt Securities, Available-For-Sale [Member]
Notional amount, Assets	306,425
Cumulative amount, Hedged Liabilities	(1,238)
Mortgage-backed securities \| Designated as Hedging Instrument [Member]
Notional amount, Assets	306,425
Cumulative amount, Hedged Liabilities	(1,238)
Multi-family Residential Portfolio Segment [Member] \| Designated as Hedging Instrument [Member]
Notional amount, Assets	84,384	82,613
Cumulative amount, Hedged Liabilities	(8,081)	(10,480)
Commercial Real Estate [Member] \| Designated as Hedging Instrument [Member]
Notional amount, Assets	168,311	167,353
Cumulative amount, Hedged Liabilities	$ (12,797)	$ (15,442)

Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=d3e41678-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 9
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226006-175313

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

Name:	us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant