Derivatives and Hedging Activities - Interest Rate Swaps and Interest Rate Caps Outstanding (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	$ 113.4	$ 23.6
Derivative liability, notional amount	(40.4)	(58.2)
Current notional amount	1,518.2	1,533.6
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	435.0	435.0
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	330.0	330.0
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	435.0	435.0
Interest rate cap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	159.1	166.8
Interest rate cap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	159.1	166.8
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	165.0	165.0
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	120.0	120.0
Pay-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative asset, notional amount	150.0	150.0
Receive-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative liability, notional amount	(165.0)	(165.0)
Receive-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative liability, notional amount	(120.0)	(120.0)
Receive-fixed swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Derivative liability, notional amount	$ (150.0)	$ (150.0)

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

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 https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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- Definition

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

+ 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 (b)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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