Annual report pursuant to Section 13 and 15(d)

Leases (Assets Under Capital Leases) (Details)

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Leases (Assets Under Capital Leases) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Leases, Operating [Abstract]    
Information systems $ 9,910 $ 12,232
Less: Accumulated amortization (2,270) (3,065)
Total assets under capital leases $ 7,640 $ 9,167