Long-Term Debt - Narrative (Details) - USD ($)		3 Months Ended		6 Months Ended	9 Months Ended
	Oct. 15, 2015	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Mar. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Aug. 27, 2015	Jun. 30, 2015	May 01, 2015	Mar. 31, 2015	Oct. 18, 2013
Line of Credit Facility [Line Items]
Interest expenses related to credit facility					$ 24,000
Unamortized deferred debt offering costs and debt discount					$ 100,000
Greater of 1.25% or LIBOR | Secured Debt
Line of Credit Facility [Line Items]
Interest rate per annum over the variable basis					7.50%
Minimum rate or LIBOR added to stated interest rate					1.25%
Reference Rate at the Company's Option | Secured Debt
Line of Credit Facility [Line Items]
Interest rate per annum over the variable basis					6.50%
October 2013 Term Loan | Secured Debt
Line of Credit Facility [Line Items]
Maximum capacity on draw														$ 47,000,000
October 2013 Delayed Draw Term Loan | Secured Debt
Line of Credit Facility [Line Items]
Maximum capacity on draw														$ 20,000,000
Financing Agreement, October 2013
Line of Credit Facility [Line Items]
Restricted cash and cash equivalents											$ 10,000,000		$ 10,000,000
Financing Agreement, October 2013 | Secured Debt
Line of Credit Facility [Line Items]
Consolidated EBITDA per amendment to financing agreement											$ 21,300,000		$ 20,600,000
Financing Agreement Amendment, May 2015
Line of Credit Facility [Line Items]
Consolidated EBITDA per amendment to financing agreement			$ 25,607,000			$ 24,435,000		$ 23,126,000	$ 22,220,000
Restricted cash and cash equivalents												$ 8,000,000
Accelerated principal payment per amendment to financing agreement			4,500,000
Financing Agreement Amendment, May 2015 | Secured Debt
Line of Credit Facility [Line Items]
Consolidated EBITDA per amendment to financing agreement												$ 17,000,000
Financing Agreement Amendment, August 2015
Line of Credit Facility [Line Items]
Consolidated EBITDA per amendment to financing agreement			$ 17,500,000			$ 17,000,000		$ 15,000,000	$ 14,500,000
Accelerated principal payment per amendment to financing agreement	$ 500,000
Line of credit facility, covenant compliance, unrestricted cash and cash equivalent										$ 12,500,000
March 2016 Term Loan | Secured Debt
Line of Credit Facility [Line Items]
Maximum capacity on draw							$ 10,000,000
Frequency of periodic payment				quarterly
Quarterly installments		$ 500,000
Fixed rate interest on debt							4.93%
March 2016 Revolving Loan | Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum capacity on draw							$ 2,000,000
March 2016 Revolving Loan | 30 Day LIBOR | Revolving Credit Facility
Line of Credit Facility [Line Items]
Interest rate per annum over the variable basis							3.50%