Stockholders' Equity and Equity Compensation - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2016	Nov. 30, 2015
Stockholders' Equity and Equity Compensation (Details) [Line Items]
Share repurchase program, authorized amount	$ 20,000,000		$ 20,000,000		$ 20,000,000	$ 20,000,000
Closing stock price (in dollars per share)	$ 19.51	$ 18.94	$ 19.51	$ 18.94
Stock Options
Stockholders' Equity and Equity Compensation (Details) [Line Items]
Share based compensation expense			$ 0	$ 100,000
Stock Options | Minimum
Stockholders' Equity and Equity Compensation (Details) [Line Items]
Award vesting period			7 years
Stock Options | Maximum
Stockholders' Equity and Equity Compensation (Details) [Line Items]
Award vesting period			10 years
Stock Awards
Stockholders' Equity and Equity Compensation (Details) [Line Items]
Share based compensation expense	$ 2,400,000	$ 2,000,000	$ 4,700,000	3,500,000
Unrecognized share based compensation expense	17,500,000		$ 17,500,000
Weighted average recognition period			2 years 1 month 7 days
Deferred Stock Units
Stockholders' Equity and Equity Compensation (Details) [Line Items]
Share based compensation expense	$ 900,000	$ 900,000		$ 900,000
2016 Employee Plan
Stockholders' Equity and Equity Compensation (Details) [Line Items]
Number of shares of common stock reserved for issuance (in shares)	1,132,739		1,132,739
Number of shares available for issuance (in shares)	1,110,993		1,110,993
2016 Director Plan
Stockholders' Equity and Equity Compensation (Details) [Line Items]
Number of shares of common stock reserved for issuance (in shares)	166,456		166,456
Number of shares available for issuance (in shares)	166,456		166,456
Open Market Repurchase Program
Stockholders' Equity and Equity Compensation (Details) [Line Items]
Stock repurchased during period (in shares)			1,310,959
Stock repurchased during period, value			$ 24,100,000
Shares repurchased, average price per share (in dollars per share)			$ 18.41
Equity Compensation Programs
Stockholders' Equity and Equity Compensation (Details) [Line Items]
Share repurchase program, authorized amount	$ 10,000,000		$ 10,000,000
Stock repurchased during period (in shares)			54,290.00
Stock repurchased during period, value			$ 1,100,000
Shares repurchased, average price per share (in dollars per share)			$ 19.62