Financial Instruments - Derivatives and Hedging (Tables)
3 Months Ended
Mar. 31, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of interest rate derivatives
Detail on the Company’s interest rate derivatives designated as cash flow hedges outstanding as of March 31, 2018 and December 31, 2017 is as follows:
 
 
Number of Instruments
 
Notional Amount
 
 
March 31, 2018
 
December 31, 2017
 
March 31, 2018
 
December 31, 2017
Interest Rate Swaps
 
9
 
9
 
$
1,400,000

 
$
1,400,000

Schedule of derivative instruments in Statement of Financial Position, fair value
Detail on the Company’s fair value of interest rate derivatives on a gross and net basis as of March 31, 2018 and December 31, 2017, respectively, is as follows:
 
 
Fair Value of Derivative Instruments
Interest rate swaps classified as:
 
March 31, 2018
 
December 31, 2017
Gross derivative assets
 
$
29,193

 
$
24,420

Gross derivative liabilities
 

 

Net derivative assets
 
$
29,193

 
$
24,420

Schedule of Derivatives in Cash Flow Hedging Relationships
The effective portion of the Company’s interest rate swaps that was recognized in the Company’s unaudited Condensed Consolidated Statements of Comprehensive Income for the three months ended March 31, 2018 and 2017 is as follows:

Derivatives in Cash Flow Hedging Relationships
(Interest Rate Swaps)
 
Three Months Ended March 31,
 
2018
 
2017
Change in unrealized gain on interest rate swaps
 
$
7,234

 
$
2,157

Amortization (accretion) of interest rate swaps to interest expense
 
(2,461
)
 
462

Change in unrealized gain on interest rate swaps, net
 
$
4,773

 
$
2,619