Note 12 - Income Taxes (Details) - Effective Income Tax Rate Reconciliation (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2014	Mar. 31, 2013
Effective Income Tax Rate Reconciliation [Abstract]
Taxes at federal statutory rate		$ 6,028	$ 3,876
Taxes at federal statutory rate		35.00%	35.00%
State and local income tax, net of Federal income tax benefit		1,410	558
State and local income tax, net of Federal income tax benefit		8.20%	5.00%
Other		(511)	(115)
Other		(3.00%)	(1.00%)
Taxes at effective rate		$ 6,927	$ 4,319
Taxes at effective rate	40.20%	40.20%	39.00%