21. Quarterly Financial Data (Summary Of Unaudited Selected Quarterly Financial Data) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Quarterly Financial Data [Abstract]
Interest income	$ 14,359	$ 14,045	$ 14,308	$ 14,568	$ 15,220	$ 15,589	$ 16,278	$ 16,797	$ 57,280	$ 63,884	$ 71,046
Net interest income	10,003	9,538	9,504	9,758	9,896	9,935	9,971	10,018	38,803	39,820	39,844
Net income (loss)	2,788	2,272	1,216	1,792	2,105	997	913	1,698	8,068	5,713	4,074
Net income (loss) applicable to common shares	$ 2,594	$ 2,078	$ 1,023	$ 1,598	$ 1,910	$ 803	$ 719	$ 1,504	$ 7,293	$ 4,936	$ 3,703
Basic earnings per share	$ 0.35	$ 0.28	$ 0.14	$ 0.22	$ 0.26	$ 0.11	$ 0.1	$ 0.2	$ 0.98	$ 0.66	$ 0.50
Diluted earnings per share	$ 0.29	$ 0.24	$ 0.13	$ 0.19	$ 0.22	$ 0.1	$ 0.09	$ 0.18	$ 0.84	$ 0.60	$ 0.49