XML 38 R23.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Accounts Receivable (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2017
Receivables [Abstract] |
Summary of Accounts Receivable |
(Table only in thousands) |  | March 31, 2017 |  |  | December 31, 2016 |
Trade receivables |  | $ | 12,259 |  |  | $ | 11,976 |
Contract receivables |  |  | 66,180 |  |  |  | 72,835 |
Allowance for doubtful accounts |  |  | (1,713 | ) |  |  | (1,749 | )
|  | $ | 76,726 |  |  | $ | 83,062 |

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration