Revolving Credit Facility and Long-Term Debt - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) quarter	Jul. 06, 2016 USD ($)	Dec. 31, 2015 USD ($)
Line of Credit Facility [Line Items]
Outstanding borrowings	$ (325,000)
Number of consecutive quarters for EBITDA to fixed charges ratio covenants | quarter	4,000
Credit Agreement
Line of Credit Facility [Line Items]
Outstanding borrowings	$ (325,000)
Maximum facility capital expenditures in the next 12 months	30,000
Remaining borrowing capacity on line of credit	95,000
Fixed interest rate percent			2.4825%
Debt subject to fixed interest rate	$ 130,000		$ 135,000
Variable Rate 1 | Credit Agreement
Line of Credit Facility [Line Items]
Variable interest rate percent	2.77%		1.74%
Debt subject to variable interest rate	$ 150,000		$ 65,800
Variable Rate 2 | Credit Agreement
Line of Credit Facility [Line Items]
Variable interest rate percent			2.12%
Debt subject to variable interest rate			$ 6,800
Revolving Credit Facility | Credit Agreement
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 275,000
Interest rate increase if in event of default	2.00%
Term Loan | Credit Agreement
Line of Credit Facility [Line Items]
Debt instrument, face amount		150,000
Bridge Loan | Credit Agreement
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 25,000
Interest Rate Swap 1 | Credit Agreement
Line of Credit Facility [Line Items]
Fixed interest rate percent	3.115%
Debt subject to fixed interest rate	$ 45,000
Interest Rate Swap 2 | Credit Agreement
Line of Credit Facility [Line Items]
Fixed interest rate percent	2.9825%
Minimum | Revolving Credit Facility | Credit Agreement
Line of Credit Facility [Line Items]
Commitment fee percentage	0.15%
Maximum | Revolving Credit Facility | Credit Agreement
Line of Credit Facility [Line Items]
Commitment fee percentage	0.40%