Operating Lease Agreements

12 Months Ended

Dec. 31, 2011

Operating Lease Agreements [Abstract]

Operating Lease Agreements

10.  OPERATING LEASE AGREEMENTS

The future minimum rental commitments, exclusive of cost escalation clauses, at December 31, 2011, for all of the Company's operating leases with remaining non-cancelable terms in excess of one year are as follows:

(Dollars in thousands)
2012	$	10,808
2013		10,510
2014		8,953
2015		9,212
2016		9,293
Thereafter		33,713
Net commitments	$	82,489
(Some amounts may not recconcile due to rounding.)

All of these leases, the expiration terms of which range from 2013 to 2020, are for the rental of office space.  Rental expense was $12,656 thousand, $11,769 thousand and $10,489 thousand for the years ended December 31, 2011, 2010 and 2009, respectively.