Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2012

Retirement Plans [Abstract]

Schedule of net periodic pension cost for retirement plan

(Dollar amounts in thousands)	SERP				SERP
	Three Months Ended September 30, 2012		Three Months Ended September 30, 2011		Nine Months Ended September 30, 2012		Nine Months Ended September 30, 2011
Components of net periodic pension cost
Service cost	$	20	$	16	$	60	$	48
Interest cost		31		31		93		93
Amortization of unrecognized gains and losses		20		14		60		42
Amortization of prior service cost		10		10		30		30
Net periodic pension cost	$	81	$	71	$	243	$	213
(Dollar amounts in thousands)	Directors’ Retirement Plan				Directors’ Retirement Plan
	Three Months Ended September 30, 2012		Three Months Ended September 30, 2011		Nine Months Ended September 30, 2012		Nine Months Ended September 30, 2011
Components of net periodic pension cost
Service cost	$	1	$	1	$	3	$	3
Interest cost		9		10		27		30
Amortization of prior service cost		21		22		67		66
Net periodic pension cost	$	31	$	33	$	97	$	99