Related Party Transactions - Additional Information (Detail) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2014	Mar. 01, 2014
Related Party Transaction [Line Items]
Payments for management services	$ 1,600,000
Project cost incurred		$ 2,600,000
Rent expenses	101,000
SVM Restoration Services, Inc. [Member]
Related Party Transaction [Line Items]
Payable to related parties	438,000
Acquired assets from related party			$ 2,500,000
Acquired assets from related party, property and equipment			150,000
Acquired assets from related party, goodwill			$ 2,350,000
Building [Member]
Related Party Transaction [Line Items]
Payments for rent	$ 0