INCOME TAXES - Income Tax Payments Refunds Net Operating Loss Carryforwards (Details) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Payments And Refunds
Income Taxes Paid Local And State Tax Authorities		$ 99,000	$ 82,000	$ 83,000
Federal and state income tax refunds		256,000	492,000	6,866,000
Operating Loss Carryforwards [Line Items]
State income tax credits		1,248,000
NOL Expiration Period in years		2030  to 2018
Prior Period Correction
Inocme tax benefit from prior period adjustment recorded to OCI	(6,000,000)
Deferred Tax Expense Computation Errors			1,500,000
Deferred Income Tax Expense Benefit		13,296,000	(12,568,000)	23,053,000
Deferred tax expense from prior period adjustment related to uncertain tax positions		858,000	708,000	2,489,000
Domestic Country [Member]
Operating Loss Carryforwards [Line Items]
NOL carryforwards		203,511,000
NOL Expiration Period in years		2030 to 2033
Operating Loss Carryforwards Suspended Windfall		6,808,000
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
NOL carryforwards		468,676,000
NOL Expiration Period in years		2013 to 2032
Operating Loss Carryforwards Suspended Windfall		$ 6,225,000