Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Derivative assets	$ 5,935	$ 2,061
Derivative liabilities	1,303	2,010
Notes payable, net	2,681,134	2,284,429
Notes receivable, net	0	28,684
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Notes payable, net	2,707,839	2,279,755
Notes receivable, net	0	28,684
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Derivative assets	0	0
Derivative liabilities	0	0
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Derivative assets	5,935	2,061
Derivative liabilities	1,303	2,010
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Derivative assets	0	0
Derivative liabilities	$ 0	$ 0

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Fair value portion of notes payable.

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Fair value portion of an agreement for an unconditional promise by the maker to pay the holder a definite sum of money at a future date.

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