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Derivative Financial Instruments - Summary of Outstanding Swaps (Details) - USD ($)
6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Derivatives, Fair Value [Line Items]    
Assets, at Fair Value $ 0 $ 669,000
Liabilities, at Fair Value 5,873,000 $ 0
Swap [Member] | 3-5 Years    
Derivatives, Fair Value [Line Items]    
Notional Amount $ 600,000,000  
Average Fixed Pay Rate 1.05%  
Average Receive Rate 0.63%  
Liabilities, at Fair Value $ 5,560,000  
Average Maturity 3 years 7 months 10 days