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Consolidated Financial Statements (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Mar. 31, 2015 | Jun. 30, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Revenue recognized under the percentage of completion method | 6.70% |  | 3.80%
Costs in excess of billings | $ 14,041,000 |  | $ 14,041,000
Billings in excess of costs | 21,133,000 |  | 21,133,000
Sale price |  |  | $ 26,373,000
Period of lease |  |  | 5 years
Net present value of future minimum lease payments | 5,765,000 |  | $ 5,765,000
Deferred gain on sale | 13,144,000 |  | 13,144,000
Recognized gain exceeding fair value |  | $ 7,379,000 | 6,799,000
Minimum lease payment, year one | 1,378,000 |  | 1,378,000
Minimum lease payment, year two | 1,378,000 |  | 1,378,000
Minimum lease payment, year three | 1,378,000 |  | 1,378,000
Minimum lease payment, year four | 1,378,000 |  | 1,378,000
Minimum lease payment, year five | $ 1,378,000 |  | $ 1,378,000

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- Definition Liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57807-111642 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57788-111642 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57795-111642 + Details
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