Subsequent Event - Additional Information (Details)			12 Months Ended
	Mar. 31, 2017	Feb. 08, 2017	Dec. 31, 2016
Clayton Banks
Subsequent Event [Line Items]
Business acquisition, date of acquisition agreement			Feb. 08, 2017
Subsequent Event
Subsequent Event [Line Items]
Subsequent event, evaluation date	Mar. 31, 2017
Subsequent Event | Clayton Banks
Subsequent Event [Line Items]
Business acquisition, date of acquisition agreement		Feb. 08, 2017