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Derivative Financial Instruments - Fair Value of Hedged Items (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Notional amount, Assets	$ 1,519,970	$ 1,524,031
Designated as Hedging Instrument [Member]
Notional amount, Assets	293,557	312,722
Cumulative amount, Hedged Assets	(5,755)	11,207
Multi-family Residential Portfolio Segment [Member] | Designated as Hedging Instrument [Member]
Notional amount, Assets	105,498	113,730
Cumulative amount, Hedged Assets	31	7,608
Commercial Real Estate | Designated as Hedging Instrument [Member]
Notional amount, Assets	182,184	192,694
Cumulative amount, Hedged Assets		3,477
Cumulative amount, Hedged Liabilities	(5,768)
Commercial Business and Other Portfolio Segment [Member] | Designated as Hedging Instrument [Member]
Notional amount, Assets	5,875	6,298
Cumulative amount, Hedged Assets		$ 122
Cumulative amount, Hedged Liabilities	$ (18)

X

- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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-Publisher FASB
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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X

- Definition

Fair value, after offset of derivative liability, of financial asset or other 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, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
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- Definition

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.

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