Fair Value Fair Value - Recorded Amount of Assets Marked to Fair Value on Nonrecurring Basis (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total fair value	$ 7,501
Total impairment	(2,521)
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total fair value	7,501
Land available for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total fair value	7,501
Total impairment	(2,521)
Land available for sale | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total fair value	$ 7,501