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Derivative Instruments (Interest Rate Caps) (Details) - Interest Rate Caps [Member] - SunTrust [Member] - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Derivative [Line Items] |  |
Notional amount | $ 79,000 |
Derivative assets | 804 | $ 1,082
Interest Rate Caps, Maturity Date, July 7, 2021, 2.50% [Member] |  |
Derivative [Line Items] |  |
Notional amount | $ 40,000 |
Cap rate | 2.50% |
Derivative assets | $ 402 | 542
Interest Rate Caps, Maturity Date, July 8, 2021, 2.50% [Member] |  |
Derivative [Line Items] |  |
Notional amount | $ 12,000 |
Cap rate | 2.50% |
Derivative assets | $ 121 | 163
Interest Rate Caps, Maturity Date, July 29, 2021, 2.50% [Member] |  |
Derivative [Line Items] |  |
Notional amount | $ 27,000 |
Cap rate | 2.50% |
Derivative assets | $ 281 | $ 377

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract. + References No definition available. + Details
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- Definition Fair value, before 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 elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226000-175313 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=64830801&loc=SL51823488-111719 + Details
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