Pension and Other Employee Benefit Plans (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Company made contributions	$ 118	$ 56
Expected contributions during remainder of fiscal year	294
Contributions to the ESOP	75	75
Nonqualified deferred compensation plan, deferred compensation	22	21
Nonqualified deferred compensation plan, received distributions	0	8
Nonqualified deferred compensation plan, earnings increases	9	34
Nonqualified deferred compensation plan, incurred expenses	1	1
Nonqualified deferred compensation plan, recorded liability	661	552
Less than Three Years of Credited Service
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Employer matching contributions, maximum annual contribution, percentage	6.00%
Employer matching contributions, percentage	60.00%
Less than Three Years of Credited Service | Maximum
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Credited service period for lower matching rate	3 years
More than Three Years of Credited Service
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Employer matching contributions, percentage	75.00%
More than Three Years of Credited Service | Minimum
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Credited Service Period For Higher Matching Rate	3 years
401k
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Employer matching contributions, amount	$ 184	$ 164