Debt Securities, Available-for-sale Securities Sold to Align With Community Reinvestment Act Requirements

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- Definition

Number Of Mortgage-Backed Securities

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- Definition

Number Of Mortgage-Backed Securities Sold

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- Definition

Number Of Mortgage-Backed Securities With Unrealized Losses

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- Definition

Par Value Of Mortgage-Backed Securities Pledged To FRB

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- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454

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- Definition

Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27357-111563

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- Definition

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27290-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=118955579&loc=SL82922888-210455

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Investments - Additional Information (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2018 USD ($) security	Jun. 30, 2019 USD ($) security	Dec. 31, 2018 USD ($) security
Investment Holdings [Line Items]
Available-for-sale investments, cost		$ 331,519	$ 182,325
Par value of mortgage-backed securities pledged to FRB		233,000	147,000
Mortgage-backed securities
Investment Holdings [Line Items]
Available-for-sale investments, cost		$ 233,210	$ 159,937
Number of mortgage backed securities sold \| security	9
Proceeds from sale of securities	$ 41,000
Recognized loss from sale of securities	$ 2,000
Number or mortgage-backed securities with unrealized losses \| security		47	74
Number of mortgage-backed securities \| security		101	86
Utah Housing Corporation bonds
Investment Holdings [Line Items]
Available-for-sale investments, cost		$ 21,136	$ 22,388
Number of securities in net loss position \| security		1
Ginnie Mae \| Mortgage-backed securities
Investment Holdings [Line Items]
Available-for-sale investments, cost		$ 62,000
Number or mortgage-backed securities with unrealized losses \| security		19	34
Fannie Mae \| Mortgage-backed securities
Investment Holdings [Line Items]
Available-for-sale investments, cost		$ 110,000
Freddie Mac \| Mortgage-backed securities
Investment Holdings [Line Items]
Available-for-sale investments, cost		$ 60,000