Derivative Instruments (Details)	1 Months Ended		12 Months Ended
	Dec. 30, 2013 USD ($)	Nov. 21, 2013 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Interest Rate Derivatives [Abstract]
Number of interest rate swaps			3
Aggregate notional amount			$ 101,400,000	$ 103,600,000
Change in fair value of interest rate swaps in earnings before cash flow hedge designation		$ 813,000
Termination value of interest rate swap, including accrued interest			7,200,000
Interest Rate Cash Flow Hedges [Abstract]
Fair value of swaps in other liabilities			7,100,000	8,500,000
Amount to be reclassified from accumulated other comprehensive income to increase interest expense over next twelve months			900,000
Interest Rate Swap [Member] | Other Comprehensive Income (Loss) [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Interest Rate Cash Flow Hedges [Abstract]
Amount of (loss) gain related to the effective portion recognized in other comprehensive (loss) income	$ 1,600,000		(1,884,000)	(3,400,000)
Interest Rate Swap [Member] | Interest Expense [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Interest Rate Cash Flow Hedges [Abstract]
Amount of loss related to the effective portion reclassified to interest expense	0		(1,396,000)	(1,500,000)
Amount of (loss) gain related to the ineffective portion recognized in interest expense	$ 266,000		$ (91,000)	$ (82,000)