XML 53 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investments (Tables)
 12 Months Ended
Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]  
Schedule of amortized cost and fair value of securities available-for-sale
The amortized cost and fair value of securities available for sale are as follows:
 
 
 
December 31, 2017
 
 
Amortized Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Estimated Fair Value
Available for sale:
 
 
 
 
 
 
 
 
Mortgage-backed securities
 
$
227,607

 
$
650

 
$
(3,210
)
 
$
225,047

Utah Housing Corporation bonds
 
20,000

 
—

 
(959
)
 
19,041

Total
 
$
247,607

 
$
650

 
$
(4,169
)
 
$
244,088

 
 
 
 
 
 
 
 
 
 
 
December 31, 2016
 
 
Amortized Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Estimated Fair Value
Available for sale:
 
 
 
 
 
 
 
 
Mortgage-backed securities
 
$
196,406

 
$
929

 
$
(3,042
)
 
$
194,293

Utah Housing Corporation bonds
 
15,000

 
—

 
(690
)
 
14,310

Total
 
$
211,406

 
$
929

 
$
(3,732
)
 
$
208,603
Available-for-sale securities, continuous unrealized loss position, fair value
The following table summarizes the amount of gross unrealized losses for our mortgage-backed securities and Utah Housing Corporation bonds and the estimated fair value by length of time the securities have been in an unrealized loss position:
 
 
Less than 12 months
 
12 months or more
 
Total
 
 
Gross Unrealized Losses
 
Estimated Fair Value
 
Gross Unrealized Losses
 
Estimated Fair Value
 
Gross Unrealized Losses
 
Estimated Fair Value
As of December 31, 2017:
 
 
 
 
 
 
 
 
 
 
 
 
Mortgage-backed securities
 
$
(772
)
 
$
77,356

 
$
(2,438
)
 
$
110,500

 
$
(3,210
)
 
$
187,856

Utah Housing Corporation bonds
 
(77
)
 
4,923

 
(882
)
 
14,118

 
(959
)
 
19,041

Total
 
$
(849
)
 
$
82,279

 
$
(3,320
)
 
$
124,618

 
$
(4,169
)
 
$
206,897

 
 
 
 
 
 
 
 
 
 
 
 
 
As of December 31, 2016:
 
 
 
 
 
 
 
 
 
 
 
 
Mortgage-backed securities
 
$
(2,423
)
 
$
129,549

 
$
(619
)
 
$
10,885

 
$
(3,042
)
 
$
140,434

Utah Housing Corporation bonds
 
(690
)
 
14,310

 
—

 
—

 
(690
)
 
14,310

Total
 
$
(3,113
)
 
$
143,859

 
$
(619
)
 
$
10,885

 
$
(3,732
)
 
$
154,744
Amortized cost and fair value of securities by contractual maturities
As of December 31, 2017, the amortized cost and fair value of securities, by contractual maturities, are summarized below. Contractual maturities versus actual maturities may differ due to the effect of prepayments.
Year of Maturity
 
Amortized Cost
 
Estimated Fair Value
2038
 
$
272

 
$
293

2039
 
3,406

 
3,606

2042
 
10,993

 
10,487

2043
 
37,438

 
37,534

2044
 
28,301

 
28,206

2045
 
41,082

 
40,484

2046
 
48,785

 
47,771

2047
 
77,330

 
75,707

Total
 
$
247,607

 
$
244,088