Stock-Based Compensation - Assumptions and Activity (Details) - Stock Options - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Assumptions used to determine fair value of stock options granted
Dividend yield (as a percent)		0.00%
Expected volatility (as a percent)		42.40%
Expected life of option		5 years
Risk-free interest rate (as a percent)		1.50%
Fair value of each option on grant date (in dollars per share)		$ 6.14
Other disclosures
Granted (in shares)	0	5,000
Shares
Outstanding at beginning of period (in shares)	12,168
Exercised (in shares)	(500)	0
Outstanding at end of period (in shares)	11,668
Exercisable at end of period (in shares)	3,999
Weighted Average Exercise Price
Outstanding at beginning of period (in dollars per shares)	$ 15.47
Exercised (in dollars per share)	7.53
Outstanding at end of period (in dollars per share)	15.80
Exercisable at end of period (in dollars per share)	$ 15.22
Aggregate intrinsic value of all options outstanding	$ 1,000