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Fair Value Measurements (Details 3) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) item | Mar. 31, 2017 USD ($) item
Changes in the fair value of Level 3 assets measured on a recurring basis |  |
Total gains or losses (unrealized): included in earnings | $ 0 | $ 0
Number of transfers between levels | item | 0 | 0
U.S. States and political subdivisions securities |  |
Changes in the fair value of Level 3 assets measured on a recurring basis |  |
Balance at the beginning of the period | $ 2,155 | $ 2,699
Total gains or losses (realized/unrealized): included in earnings | 0 | 0
Total gains or losses (realized/unrealized): included in other comprehensive income | 0 | 19
Purchases | 0 | 0
Issuances | 0 | 0
Sales | 0 | 0
Settlements | 0 | 0
Maturities | 0 | (700)
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Balance at the end of the period | 2,155 | 2,018
Foreign government and other securities |  |
Changes in the fair value of Level 3 assets measured on a recurring basis |  |
Balance at the beginning of the period | 710 | 807
Total gains or losses (realized/unrealized): included in earnings | 0 | 0
Total gains or losses (realized/unrealized): included in other comprehensive income | (2) | (3)
Purchases | 0 | 0
Issuances | 0 | 0
Sales | 0 | 0
Settlements | 0 | 0
Maturities | 0 | 0
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Balance at the end of the period | 708 | 804
Investment securities available-for-sale |  |
Changes in the fair value of Level 3 assets measured on a recurring basis |  |
Balance at the beginning of the period | 2,865 | 3,506
Total gains or losses (realized/unrealized): included in earnings | 0 | 0
Total gains or losses (realized/unrealized): included in other comprehensive income | (2) | 16
Purchases | 0 | 0
Issuances | 0 | 0
Sales | 0 | 0
Settlements | 0 | 0
Maturities | 0 | (700)
Transfers into Level 3 | 0 | 0
Transfers out of Level 3 | 0 | 0
Balance at the end of the period | $ 2,863 | $ 2,822

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- Definition Amount of maturities of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
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- Definition Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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