Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2012

Accounting Policies [Abstract]

Fair value of liabilities on recurring basis

	Fair Value Measurements at Reporting Date Using:
	March 31,	Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs	Unobservable Inputs
Description	2012	(Level 1)	(Level 2)	(Level 3)
Recurring
Liabilities:
Interest Rate Swaps	3,868	—	3,868	—

The following table sets forth the Company’s financial liabilities that were accounted for at fair value on a recurring basis as of December 31, 2011 (in thousands):

	Fair Value Measurements at Reporting Date Using:
	December 31,	Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs	Unobservable Inputs
Description	2011	(Level 1)	(Level 2)	(Level 3)
Recurring
Liabilities:
Interest Rate Swaps	3,886	—	3,886	—

Held-to-maturity securities

	Held-to-Maturity Securities
	Amortized Cost (Net Carrying Amount)		Premium on held-to-maturity securities		Premium Amortization		Amortized Cost
March 31, 2012:
Banco Santander Chile Senior Notes	$	50,000	$	175	$	11	$	50,164
Total	$	50,000	$	175	$	11	$	50,164