Share-Based Compensation Plan Narrative (Details) (USD $)	12 Months Ended					12 Months Ended			0 Months Ended	12 Months Ended			0 Months Ended	12 Months Ended
	Dec. 31, 2013 share_based_compensation_plan	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Restricted Stock [Member]	Dec. 31, 2013 Restricted Stock [Member] Executive Officer [Member]	Dec. 31, 2013 Employee Stock Option [Member]	Dec. 31, 2013 2006 Equity Compensation Plan [Member]	Dec. 31, 2012 2006 Equity Compensation Plan [Member]	May 02, 2013 2006 Equity Compensation Plan [Member] Executive Officer [Member]	Dec. 31, 2013 2006 Equity Compensation Plan [Member] Restricted Stock [Member]	Dec. 31, 2012 2006 Equity Compensation Plan [Member] Restricted Stock [Member]	Dec. 31, 2011 2006 Equity Compensation Plan [Member] Restricted Stock [Member]	May 02, 2013 2006 Equity Compensation Plan [Member] Restricted Stock [Member] Director [Member]	Dec. 31, 2013 2006 Equity Compensation Plan [Member] Performance Shares [Member]	Dec. 31, 2012 2006 Equity Compensation Plan [Member] Performance Shares [Member]	Dec. 31, 2011 2006 Equity Compensation Plan [Member] Performance Shares [Member]	Dec. 31, 2013 2006 Equity Compensation Plan [Member] Employee Stock Option [Member]	Dec. 31, 2012 2006 Equity Compensation Plan [Member] Employee Stock Option [Member]	Dec. 31, 2011 2006 Equity Compensation Plan [Member] Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of plans	1
Number of shares authorized (in shares)							430,000	255,000
Number of additional shares authorized							175,000
Granted (in shares)									28,500	32,500	49,975	55,563	4,000	0	0	0
Service-based award vesting percentage				50.00%	100.00%
Vesting period						3 years				3 years				3 years
Share based compensation expense	$ 492,000	$ 440,000	$ 471,000							$ 412,000	$ 362,000	$ 217,000		$ 80,000	$ 64,000	$ 206,000		$ 14,000	$ 49,000
Total income tax benefit related to share-based compensation	54,000	79,000	111,000
Restricted stock nonvested outstanding, Weighted average remaining contractual terms										3 years 10 months 24 days	4 years 3 months 18 days	4 years 6 months 0 days
Unrecognized compensation expense related to nonvested restricted stock awards										1,400,000				0
Options vesting percentage each on first and second anniversary						25.00%
Options vesting percentage on third anniversary						50.00%											50.00%
Unrecognized compensation expense related to nonvested stock options awards	0
Aggregate intrinsic value of options exercised	11,100
Aggregate intrinsic value of options outstanding	$ 160,300	$ 0	$ 0