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Derivatives - Credit Value Adjustment Recorded Related to Notional Amount of Derivatives Outstanding (Detail) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Not Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Fair Value, Net | $ 0 | $ (27)
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 860,545 | 816,745
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Fair Value, Net | (34,260) | (38,596)
Derivative, Notional Amount | 570,000 | 570,000
Interest Rate Cap [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 37,746 | 15,340
interest Rate Collar [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 35,354 | 35,354
Credit Default Swap [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 199,341 | 256,043
Interest Rate Contract [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 51,384 | 12,009
Forward Contracts [Member] | Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Fair Value, Net | 653 | 63
Derivative, Notional Amount | 52,000 | 16,000
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Fair Value, Net | 0 | 0
Derivative, Notional Amount | 0 | 0
Short [Member] | Credit Default Swap, Selling Protection [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 101,321 | $ 100,741

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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-10 + Details
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- Definition 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-5 + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A + Details
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