Note 12 - Leases and Commitments (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Capital Leased Assets [Table Text Block]

	(in thousands)
	Capitalized Costs		Accumulated Amortization		Net Book Value
March 31, 2013	$	73,143	$	13,191	$	59,952
December 31, 2012	$	67,788	$	16,366	$	51,422