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Derivatives and Hedging Activities - Summary of Effect of Hedges on AOCI in Consolidated Statements of Comprehensive Income Related to Company's Derivative Assets and Liabilities (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (Loss) Recognized in OCI on Derivative | $ 432 | $ (122) | $ 3,513 | $ 19,015
Gain (Loss) Reclassified from AOCI into Earnings | 831 | 1,123 | 2,550 | 869
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (Loss) Recognized in OCI on Derivative | 432 | (122) | 3,513 | 19,015
Gain (Loss) Recognized in OCI Included Component | 432 | 533 | 3,513 | 25,542
Gain (Loss) Recognized in OCI Excluded Component |  | (655) |  | (6,527)
Gain (Loss) Reclassified from AOCI into Earnings | 831 | 1,123 | 2,550 | 869
Gain (Loss) Reclassified from AOCI into Earnings Included Component | 1,398 | 1,739 | 4,233 | 2,757
Loss Reclassified from AOCI into Earnings Excluded Component | (567) | (616) | (1,683) | (1,888)
Derivatives Designated as Hedging Instruments [Member] | Interest Rate Floor [Member] | Cash Flow Hedging [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (Loss) Recognized in OCI on Derivative |  | (1,231) |  | 28,390
Gain (Loss) Recognized in OCI Included Component |  | (576) |  | 34,917
Gain (Loss) Recognized in OCI Excluded Component |  | (655) |  | (6,527)
Gain (Loss) Reclassified from AOCI into Earnings | 1,175 | 1,443 | 3,551 | 1,578
Gain (Loss) Reclassified from AOCI into Earnings Included Component | 1,742 | 2,059 | 5,234 | 3,466
Loss Reclassified from AOCI into Earnings Excluded Component | (567) | (616) | (1,683) | (1,888)
Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member] |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (Loss) Recognized in OCI on Derivative | 432 | 1,109 | 3,513 | (9,375)
Gain (Loss) Recognized in OCI Included Component | 432 | 1,109 | 3,513 | (9,375)
Gain (Loss) Reclassified from AOCI into Earnings | (344) | (320) | (1,001) | (709)
Gain (Loss) Reclassified from AOCI into Earnings Included Component | $ (344) | $ (320) | $ (1,001) | $ (709)

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- Definition Gain (loss) reclassified from accumulated other comprehensive income into earnings included component before tax. + References No definition available. + Details
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- Definition Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121577181&loc=SL110061190-113977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580 + Details
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