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Available for Sale Securities (Details 1) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Fair Value | $ 0 | $ 1,669
Less Than 12 Months Unrealized Losses | 0 | (4)
12 Months or Longer Fair Value | 53,787 | 96,025
12 Months or Longer Unrealized Losses | (703) | (3,269)
Fair Value | 53,787 | 97,694
Unrealized Losses | (703) | (3,273)
U.S. Treasury securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Fair Value | 0 | 0
Less Than 12 Months Unrealized Losses | 0 | 0
12 Months or Longer Fair Value | 0 | 2,971
12 Months or Longer Unrealized Losses | 0 | (65)
Fair Value | 0 | 2,971
Unrealized Losses | 0 | (65)
U.S. government agency mortgage-backed securities-residential |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Fair Value | 0 | 1,669
Less Than 12 Months Unrealized Losses | 0 | (4)
12 Months or Longer Fair Value | 40,967 | 76,586
12 Months or Longer Unrealized Losses | (586) | (2,753)
Fair Value | 40,967 | 78,255
Unrealized Losses | (586) | (2,757)
U.S. government agency securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Less Than 12 Months Fair Value | 0 | 0
Less Than 12 Months Unrealized Losses | 0 | 0
12 Months or Longer Fair Value | 12,820 | 16,468
12 Months or Longer Unrealized Losses | (117) | (451)
Fair Value | 12,820 | 16,468
Unrealized Losses | $ (117) | $ (451)

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 + Details
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