|
Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|
|
May 22, 2013
|
Mar. 31, 2014
segment
|
Mar. 31, 2013
|
May 22, 2013
Common Class A [Member]
|
Mar. 21, 2014
Common Class A [Member]
|
Dec. 31, 2013
Accounts Receivable [Member]
Customer Concentration Risk [Member]
customer
|
Mar. 31, 2013
Accounts Receivable [Member]
Customer Concentration Risk [Member]
customer
|
Mar. 31, 2014
Revenue [Member]
Customer Concentration Risk [Member]
customer
|
Mar. 31, 2013
Revenue [Member]
Customer Concentration Risk [Member]
customer
|
|
| Class of Stock [Line Items] | |||||||||
| Stock Issued During Period, Shares, New Issues | 4,000,000 | 3,200,000 | |||||||
| Price per share of stock sold in IPO (in $ per share) | $ 89.25 | ||||||||
| Proceeds from public offering, net of underwriters discount and offering costs | $ 344,000 | $ 344,386 | $ 0 | ||||||
| Number of Operating Segments | 1 | ||||||||
| Number of Customers with more than 10% of Period Receivables | 0 | 0 | |||||||
| Number of Customers with More than 10% of Period Revenue | 0 | 0 | |||||||