Derivative Financial Instruments (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Derivative [Line Items]
Estimated amount to be reclassified from Accumulated other comprehensive income (loss) as an increase to interest expense	$ 491,000
Interest Expense
Derivative [Line Items]
Amount of gain (loss) recognized on derivative in Other Comprehensive Income	(743,000)	$ 1,132,000
Amount of gain (loss) reclassified from Accumulated Other Comprehensive Income into Interest expense	118,000	0
Total amount of Interest expense presented in the Consoldiated Statement of Operations	8,769,000	$ 8,657,000
Other Assets
Derivative [Line Items]
Fair value of derivative financial instrument asset	2,434,000		$ 1,565,000
Hedging instrument | Interest Rate Swap, Maturity Date April 1, 2022
Derivative [Line Items]
Current Notional Amount	$ 1,267,000
Fixed Rate	5.25%
Hedging instrument | Interest Rate Swap, Maturity Date May 6, 2023
Derivative [Line Items]
Current Notional Amount	$ 25,933,000
Fixed Rate	3.61%
Hedging instrument | Interest Rate Swap, Maturity Date September 19, 2026
Derivative [Line Items]
Current Notional Amount	$ 27,000,000
Fixed Rate	4.05%
Not Designated as Hedging Instrument | Interest rate caps
Derivative [Line Items]
Current Notional Amount	$ 9,200,000
Value of derivative	0
London Interbank Offered Rate (LIBOR) | Hedging instrument | Interest Rate Swap, Maturity Date July 1, 2019
Derivative [Line Items]
Current Notional Amount	$ 29,000,000
Fixed Rate	3.00%