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Executive Retirement and Severance - Schedule of changes in the liability (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($)
Retirement Benefits [Abstract] |
Balance, beginning of year | $ 583
Adjustment to fair value |
Payment of retirement benefits | (583)
Negotiated settlement at discount and other |
Balance, end of year |

X
- Definition Refers to amount of postemployment benefits liability fair value during the period. + References No definition available. + Details
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Period Type: | duration

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- Definition Refers to amount of retirement discount negotiated settlement during the period. + References No definition available. + Details
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Balance Type: | credit
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- References No definition available. + Details
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- Definition The carrying amount as of the balance sheet date of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -SubTopic 10 -Section 25 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6410138&loc=d3e79691-111665 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -SubTopic 10 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6410138&loc=d3e79708-111665 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Period expense related to postemployment benefits. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration