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Lines of Credit | 12 Months Ended
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Dec. 31, 2015
Line of Credit Facility [Abstract] |
LINES OF CREDIT | Lines of Credit As of December 31, 2015, SJW Corp. and its subsidiaries had unsecured bank lines of credit, allowing aggregate short-term borrowings of up to $100,000, of which $15,000 was available to SJW Corp. and SJW Land Company under one line of credit and $85,000 was available to San Jose Water Company under another line of credit. San Jose Water Company has issued two standby letters of credit with a commercial bank in the amount of $3,000 in support of its California Department of Water Resources' Safe Drinking Water State Revolving Fund (“SDWSRF”) loans which were funded in 2005 and 2008. The letters of credit automatically renew for one year each December unless the issuing bank elects not to renew it, and the amount of coverage can be reduced as the loan principal balance decreases. As of December 31, 2015, $3,000 under the San Jose Water Company line of credit is set aside in the form of letters of credit for its SDWSRF loans. The lines of credit bear interest at variable rates, and will expire on September 1, 2016. As of December 31, 2015 and 2014, SJW Corp. has an outstanding balance on the lines of credit of $34,600 and $13,200, respectively. Cost of borrowing on the lines of credit averaged 1.31% and 1.15% as of December 31, 2015 and 2014, respectively. SJW Corp., on a consolidated basis, and San Jose Water Company have the following affirmative covenants on their unsecured bank lines of credit: (1) the funded debt cannot exceed 66-2/3% of total capitalization, and (2) net income available for interest charges for the trailing 12-calendar-month period cannot be less than 175% of interest charges. As of December 31, 2015, SJW Corp. and San Jose Water Company, respectively, were in compliance with the unsecured bank line of credit affirmative covenants. In addition, the Company shall maintain a zero balance on each line of credit for a period of at least thirty consecutive days during: (1) the period commencing November 1, 2014 and ending August 31, 2015, and (2) each 12-month period thereafter commencing September 1, 2015.

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- Definition The entire disclosure for short-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 + Details
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