Investments (Schedule Of Unrealized Loss On Investments) (Details) $ in Thousands	Jun. 30, 2017 USD ($) security	Dec. 31, 2016 USD ($) security
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months: Fair Value	$ 27,330	$ 51,472
Less than 12 months: Unrealized Losses	$ (358)	$ (790)
Less than 12 months: Count | security	48	84
12 months or more: Fair Value	$ 18,188	$ 15,132
12 months or more: Unrealized Losses	$ (459)	$ (784)
12 months or more: Count | security	35	31
Fair Value	$ 45,518	$ 66,604
Unrealized Losses	$ (817)	$ (1,574)
Count | security	83	115
U.S. Government And Agency Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months: Fair Value	$ 1,596	$ 789
Less than 12 months: Unrealized Losses	$ (9)	$ (9)
Less than 12 months: Count | security	4	1
12 months or more: Fair Value	$ 3,020	$ 3,413
12 months or more: Unrealized Losses	$ (25)	$ (17)
12 months or more: Count | security	9	10
Fair Value	$ 4,616	$ 4,202
Unrealized Losses	$ (34)	$ (26)
Count | security	13	11
Municipal Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months: Fair Value	$ 6,671	$ 23,407
Less than 12 months: Unrealized Losses	$ (120)	$ (417)
Less than 12 months: Count | security	12	43
12 months or more: Fair Value	$ 2,146	$ 1,598
12 months or more: Unrealized Losses	$ (72)	$ (154)
12 months or more: Count | security	3	2
Fair Value	$ 8,817	$ 25,005
Unrealized Losses	$ (192)	$ (571)
Count | security	15	45
Trust Preferred Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
12 months or more: Fair Value	$ 4,561	$ 5,461
12 months or more: Unrealized Losses	$ (203)	$ (518)
12 months or more: Count | security	5	7
Fair Value	$ 4,561	$ 5,461
Unrealized Losses	$ (203)	$ (518)
Count | security	5	7
Agency Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months: Fair Value	$ 19,063	$ 26,995
Less than 12 months: Unrealized Losses	$ (229)	$ (359)
Less than 12 months: Count | security	32	39
12 months or more: Fair Value	$ 8,457	$ 4,656
12 months or more: Unrealized Losses	$ (157)	$ (93)
12 months or more: Count | security	17	11
Fair Value	$ 27,520	$ 31,651
Unrealized Losses	$ (386)	$ (452)
Count | security	49	50
Private-Label Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months: Fair Value		$ 281
Less than 12 months: Unrealized Losses		$ (5)
Less than 12 months: Count | security		1
Fair Value		$ 281
Unrealized Losses		$ (5)
Count | security		1
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
12 months or more: Fair Value	$ 4	$ 4
12 months or more: Unrealized Losses	$ (2)	$ (2)
12 months or more: Count | security	1	1
Fair Value	$ 4	$ 4
Unrealized Losses	$ (2)	$ (2)
Count | security	1	1