Commitments and Contingencies - Additional Information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Commitments And Contingencies [Line Items]
Local tax assessment period, beginning date	Jun. 01, 2005
Local tax assessment period, ending date	May 31, 2015
Proposed underpaid tax, applicable interest and penalties amount	$ 1,439,452
Local tax assessment, estimated probable loss		$ 391,000
Gutierrez-Ortiz Lawsuit
Commitments And Contingencies [Line Items]
Estimated indemnity value	$ 3,500,000