Commitment and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended	0 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Mar. 31, 2014	Jun. 11, 2014 Ryan Companies	Jun. 11, 2014 Ryan Companies Payable at Certain Point in the Construction Process	Jun. 11, 2014 Ryan Companies Payable Upon Completion of the Project	Jun. 11, 2014 Land	Jun. 11, 2014 Land New Brighton, Minnesota acre	Jun. 11, 2014 Construction in Progress
Commitments and Contingencies Disclosure [Abstract]
Lease expiration date			Mar. 31, 2020
Rental expense	$ 385	$ 331
Future Minimum Lease Payments:
Nine months ended June 30, 2015	860
Fiscal 2016	762
Fiscal 2017	469
Fiscal 2018	462
Fiscal 2019	462
Thereafter	346
Future minimum lease payments	3,361
Other Commitments [Line Items]
Area of real estate property (in acres)								10.0
Purchase price of real estate property							500
Option to purchase additional property (in acres)								3.6
Construction costs paid to third party, percentage of cost of work				3.85%
Development costs paid to third party, percentage of adjusted total project costs					3.25%	5.00%
Amount to be held in escrow									$ 9,128