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Interest Rate Caps - Summary of Change in Rate Caps (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Offsetting [Abstract] |  |  |  |
Balance at beginning of period | $ 219 | $ 27 | $ 98 | $ 62
Purchases | 481 | 100 | 481 | 100
Fair value adjustment included in interest expense | 18 | (14) | 139 | (49)
Balance at end of period, included in other assets | $ 718 | $ 113 | $ 718 | $ 113

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- Definition The cost of interest rate cap(s) purchased during the period. + References No definition available. + Details
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Balance Type: | debit
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- Definition Amount of unrealized gain (loss) related to the fair value of interest rate derivatives designated as fair value hedging instruments, as offset by the gain (loss) on the hedged item to the extent that the fair value hedge is determined to be effective. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets. + References No definition available. + Details
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Balance Type: | debit
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- References No definition available. + Details
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Balance Type: | na
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