Significance of current credit spreads to level 3 input considerations.

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value portion of investments accounted under the equity method.

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Amount of realized and unrealized gain (loss) included in earnings, which have arisen from the use of significant unobservable inputs (level 3) to measure fair value of assets, liabilities, and financial instruments classified in shareholders' equity.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, not including unrealized gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, held at each balance sheet date and included in earnings for the period.

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Fair Value Measurements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Fair Value Measurements (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Significance of current credit spreads to level 3 input considerations	10.00%		10.00%
Derivative assets	$ 218		$ 218		$ 1,149
Total	10,153		10,153		9,556
Effect of Fair Value Hedges on Results of Operations [Abstract]
Gain (loss) recognized in income	(1,778)	$ 3,457	259	$ 5,497
Ashford Inc. [Member]
Effect of Fair Value Hedges on Results of Operations [Abstract]
Unrealized gain (loss) on investment in Ashford Inc.	(1,563)	860	1,528	(633)
Investment in Affiliate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-derivative assets	9,935		9,935		8,407
Non-Derivative Assets [Member]
Effect of Fair Value Hedges on Results of Operations [Abstract]
Gain (loss) recognized in income	(1,778)	3,457	259	5,497
Non-Derivative Assets [Member] \| Ashford Inc. [Member]
Effect of Fair Value Hedges on Results of Operations [Abstract]
Gain (loss) recognized in income	(1,563)	860	1,528	(633)
Derivative
Effect of Fair Value Hedges on Results of Operations [Abstract]
Gain (loss) recognized in income	(100)	2,597	(998)	6,130
Interest Rate Floor
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	197		197		1,091
Effect of Fair Value Hedges on Results of Operations [Abstract]
Gain (loss) recognized in income	(135)	2,687	(894)	6,247
Interest Rate Floor \| Derivative Financial Instruments, Assets [Member]
Effect of Fair Value Hedges on Results of Operations [Abstract]
Gain (loss) recognized in income	(135)	2,687	(894)	6,247
Interest Rate Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	21		21
Effect of Fair Value Hedges on Results of Operations [Abstract]
Gain (loss) recognized in income	(61)	(13)	(317)	(60)
Interest Rate Cap \| Derivative Financial Instruments, Assets [Member]
Effect of Fair Value Hedges on Results of Operations [Abstract]
Gain (loss) recognized in income	(61)	(13)	(317)	(60)
Future
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0		0		58
Effect of Fair Value Hedges on Results of Operations [Abstract]
Gain (loss) recognized in income	96	(77)	213	(57)
Future \| Other Income (Expense) [Member]
Effect of Fair Value Hedges on Results of Operations [Abstract]
Gain (loss) recognized in income	(115)	0	(271)	0
Future \| Derivative Financial Instruments, Assets [Member]
Effect of Fair Value Hedges on Results of Operations [Abstract]
Gain (loss) recognized in income	(19)	$ (77)	(58)	$ (57)
Quoted Market Prices (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0		0		58
Total	9,935		9,935		8,465
Quoted Market Prices (Level 1) \| Investment in Affiliate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-derivative assets	9,935		9,935		8,407
Quoted Market Prices (Level 1) \| Interest Rate Floor
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0		0		0
Quoted Market Prices (Level 1) \| Interest Rate Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0		0
Quoted Market Prices (Level 1) \| Future
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0		0		58
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	218		218		1,091
Total	218		218		1,091
Significant Other Observable Inputs (Level 2) \| Investment in Affiliate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Non-derivative assets	0		0		0
Significant Other Observable Inputs (Level 2) \| Interest Rate Floor
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	197		197		1,091
Significant Other Observable Inputs (Level 2) \| Interest Rate Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	21		21
Significant Other Observable Inputs (Level 2) \| Future
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	$ 0		$ 0		$ 0