Acquisition of Selected Assets - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended		9 Months Ended
	Sep. 30, 2015	Jul. 31, 2015	Sep. 30, 2015
Business Acquisition [Line Items]
Cash payment for business acquisition			$ 6,000
BCR Restoration Specialists, Inc. [Member]
Business Acquisition [Line Items]
Cash payment for business acquisition		$ 6,000
Issuance of common stock for business acquisition		$ 2,000
Issuance of common stock for business acquisition, number of restricted common shares		79,850
Zephyr Acquisition Company [Member]
Business Acquisition [Line Items]
Purchase price	$ 120,000
Zephyr Acquisition Company [Member] | Hawaii [Member]
Business Acquisition [Line Items]
Percentage of market share owned through acquisition	30.00%