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Effects of Interest Rate Swap and Cap Agreements (Detail) - Cash Flow Hedging - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Derivative Instruments Gain Loss [Line Items] |  |  |
Amount of losses recognized in OCI on interest rate swap and cap agreements | $ (3,670) | $ (12,241) | $ (10,059)
Amount of gains reclassified from accumulated OCI into income | 2,566 | 3,111 | 10,608
Tax benefit (expense) |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |
Amount of losses recognized in OCI on interest rate swap and cap agreements | 2,343 | 7,844 | 6,450
Amount of gains reclassified from accumulated OCI into income | (1,632) | (1,992) | (6,801)
Interest rate swap agreements | Debt Expense (Including Refinancing Charges) |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |
Amount of losses recognized in OCI on interest rate swap and cap agreements | (815) | (3,971) | (8,390)
Amount of gains reclassified from accumulated OCI into income | 299 | 2,664 | 12,279
Interest rate cap agreements | Debt Expense (Including Refinancing Charges) |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |
Amount of losses recognized in OCI on interest rate swap and cap agreements | (5,198) | (16,114) | (8,119)
Amount of gains reclassified from accumulated OCI into income | $ 3,899 | $ 2,439 | $ 5,130

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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624177-113959 + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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