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Derivative Financial Instruments - Schedule of Derivatives (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Derivative [Line Items]      
Notional Amount $ 496,642 $ 513,208  
Asset, fair value 25 2,093  
Liability, fair value (7,720) (2,474)  
Change in fair value of interest rate derivatives (3,599) (951) $ 1,127
Unrealized cash flow hedge losses (4,504) (1,894) 0
Total change in fair value of interest rate derivatives (8,103) (2,845) 1,127
Interest rate swaps      
Derivative [Line Items]      
Notional Amount 246,642    
Total change in fair value of interest rate derivatives (6,050) (2,281) 770
Interest rate caps      
Derivative [Line Items]      
Total change in fair value of interest rate derivatives (2,053) (564) $ 357
Not Designated as Hedging Instrument      
Derivative [Line Items]      
Notional Amount 350,000 450,000  
Asset, fair value 25 2,093  
Liability, fair value (1,992) (749)  
Not Designated as Hedging Instrument | Interest rate swaps      
Derivative [Line Items]      
Notional Amount 100,000 100,000  
Asset, fair value 0 303  
Liability, fair value (1,992) (749)  
Not Designated as Hedging Instrument | Interest rate caps      
Derivative [Line Items]      
Notional Amount 250,000 350,000  
Asset, fair value 25 1,790  
Liability, fair value 0 0  
Designated as Hedging Instrument | Interest rate swaps      
Derivative [Line Items]      
Notional Amount 146,642 63,208  
Asset, fair value 0 0  
Liability, fair value $ (5,728) $ (1,725)