Investments (Schedule Of Trust Preferred Securities) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 136,750	$ 143,895
Fair Value	137,182	143,875
Trust Preferred Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	5,985	5,979
Fair Value	5,573	$ 5,461
Unrealized Gain (Loss)	$ (412)
Lowest Credit Rating Assigned: Standard & Poor's, BB Rating [Member] | Trust Preferred Securities: Huntington Cap Trust [Member]
Schedule of Available-for-sale Securities [Line Items]
Maturity	Feb. 01, 2027
Single issuer or pooled	Single
Class	Preferred Stock
Amortized cost	$ 947
Fair Value	856
Unrealized Gain (Loss)	$ (91)
Lowest Credit Rating Assigned: Standard & Poor's, BB Rating [Member] | Trust Preferred Securities: Huntington Cap Trust II [Member]
Schedule of Available-for-sale Securities [Line Items]
Maturity	Jun. 15, 2028
Single issuer or pooled	Single
Class	Preferred Stock
Amortized cost	$ 902
Fair Value	825
Unrealized Gain (Loss)	$ (77)
Lowest Credit Rating Assigned: Standard & Poor's, BBB- Rating [Member] | Trust Preferred Securities: Chase Cap VI JPM [Member]
Schedule of Available-for-sale Securities [Line Items]
Maturity	Aug. 01, 2028
Single issuer or pooled	Single
Class	Preferred Stock
Amortized cost	$ 967
Fair Value	900
Unrealized Gain (Loss)	$ (67)
Lowest Credit Rating Assigned: Standard & Poor's, BB+ Rating [Member] | Trust Preferred Securities: BankAmerica Cap III [Member]
Schedule of Available-for-sale Securities [Line Items]
Maturity	Jan. 15, 2027
Single issuer or pooled	Single
Class	Preferred Stock
Amortized cost	$ 968
Fair Value	911
Unrealized Gain (Loss)	$ (57)
Lowest Credit Rating Assigned: Standard & Poor's, BB+ Rating [Member] | Trust Preferred Securities: Fleet Cap Tr V [Member]
Schedule of Available-for-sale Securities [Line Items]
Maturity	Dec. 18, 2028
Single issuer or pooled	Single
Class	Preferred Stock
Amortized cost	$ 977
Fair Value	902
Unrealized Gain (Loss)	$ (75)
Lowest Credit Rating Assigned: Standard & Poor's, BBB+ Rating [Member] | Trust Preferred Securities: Corestates Captl Tr II [Member]
Schedule of Available-for-sale Securities [Line Items]
Maturity	Feb. 15, 2027
Single issuer or pooled	Single
Class	Preferred Stock
Amortized cost	$ 944
Fair Value	910
Unrealized Gain (Loss)	$ (34)
Lowest Credit Rating Assigned: Standard & Poor's, BBB Rating [Member] | Trust Preferred Securities: Wachovia Cap Trust II [Member]
Schedule of Available-for-sale Securities [Line Items]
Maturity	Jan. 15, 2027
Single issuer or pooled	Single
Class	Preferred Stock
Amortized cost	$ 280
Fair Value	269
Unrealized Gain (Loss)	$ (11)