Fair Value Measurements (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Level 1 [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents - money market	$ 0	$ 20
Total Assets	0	20
Liabilities, Fair Value Disclosure [Abstract]
Interest rate swap	0	0
Total Liabilities	0	0
Level 2 [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents - money market	8,711	2,306
Total Assets	8,711	2,306
Liabilities, Fair Value Disclosure [Abstract]
Interest rate swap	(499)	(1,419)
Total Liabilities	(499)	(1,419)
Difference between fair value and carrying value, debt	1,300	2,500
Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents - money market	0	0
Total Assets	0	0
Liabilities, Fair Value Disclosure [Abstract]
Interest rate swap	0	0
Total Liabilities	0	0
Total [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents - money market	8,711	2,326
Total Assets	8,711	2,326
Liabilities, Fair Value Disclosure [Abstract]
Interest rate swap	(499)	(1,419)
Total Liabilities	(499)	(1,419)
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Liabilities, Fair Value Disclosure [Abstract]
Carrying value, debt	$ 318,200	$ 344,100