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Fair Value - Carrying Value of Assets (Detail) - Non-recurring - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Real estate
Non-Financial Assets and Liabilities:
Assets, fair value disclosure, nonrecurring	$ 0	$ 641
Real estate | Level 1
Non-Financial Assets and Liabilities:
Assets, fair value disclosure, nonrecurring	0	0
Real estate | Level 2
Non-Financial Assets and Liabilities:
Assets, fair value disclosure, nonrecurring	0	0
Real estate | Level 3
Non-Financial Assets and Liabilities:
Assets, fair value disclosure, nonrecurring	0	641
Discontinued Operations
Non-Financial Assets and Liabilities:
Assets, fair value disclosure, nonrecurring	0	57,219
Discontinued Operations | Level 1
Non-Financial Assets and Liabilities:
Assets, fair value disclosure, nonrecurring	0	0
Discontinued Operations | Level 2
Non-Financial Assets and Liabilities:
Assets, fair value disclosure, nonrecurring	0	0
Discontinued Operations | Level 3
Non-Financial Assets and Liabilities:
Assets, fair value disclosure, nonrecurring	$ 0	$ 57,219

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- Definition

Non Financial Assets And Liabilities At Fair Value [Abstract]

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No definition available.

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

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