Commitments and Contingencies (Details) (Basic Capital Management, Inc et al [Member], DCI [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Loss Contingencies [Line Items]
Loss Contingency, Allegations		alleged breach by DCI of a $160,000 “master” loan commitment
Damages Sought, Alleged Breach of Agreement, Tenant Improvements [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value		$ 250
Damages Sought, Mutually Exclusive Model 1 [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value		2,200
Damages Sought, Mutually Exclusive Model 2 [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value		25,600
Damages Sought, Reimbursement of Attorneys' Fees [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value		2,100
Former affiliates [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value		25,600
Loss Contingency, Damages Appealed		25,600
Loss Contingency, Management's Assessment and Process	Management believes the Company will not be obligated for any amounts that may ultimately be awarded against DCI.
Former affiliates [Member] | Breach of Loan Agreements [Member]
Loss Contingencies [Line Items]
Loss Contingency, Loan Commitment, Default Amount		$ 160,000