INCOME TAXES (Operating Loss Carryforwards, State, Expiration Years) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
State And Local Jurisdiction - Footprint States [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 713,185
State And Local Jurisdiction - Footprint States [Member] | Expiration Year 2015 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	0
State And Local Jurisdiction - Footprint States [Member] | Expiration Year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	0
State And Local Jurisdiction - Footprint States [Member] | Expiration Year 2017 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	16,822
State And Local Jurisdiction - Footprint States [Member] | Expiration Year 2018 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	13,028
State And Local Jurisdiction - Footprint States [Member] | Expiration Years 2019 - 2026 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	177,167
State And Local Jurisdiction - Footprint States [Member] | Expiration Years 2027 - 2032 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	506,168
State And Local Jurisdiction - Other States [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	6,300
State And Local Jurisdiction - Other States [Member] | Expiration Year 2015 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	249
State And Local Jurisdiction - Other States [Member] | Expiration Year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	42
State And Local Jurisdiction - Other States [Member] | Expiration Year 2017 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	7
State And Local Jurisdiction - Other States [Member] | Expiration Year 2018 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	26
State And Local Jurisdiction - Other States [Member] | Expiration Years 2019 - 2026 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	3,003
State And Local Jurisdiction - Other States [Member] | Expiration Years 2027 - 2032 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	2,973
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	719,485	785,400
State and Local Jurisdiction [Member] | Expiration Year 2015 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	249
State and Local Jurisdiction [Member] | Expiration Year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	42
State and Local Jurisdiction [Member] | Expiration Year 2017 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	16,829
State and Local Jurisdiction [Member] | Expiration Year 2018 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	13,054
State and Local Jurisdiction [Member] | Expiration Years 2019 - 2026 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	180,170
State and Local Jurisdiction [Member] | Expiration Years 2027 - 2032 [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 509,141