Investments: Available-for-sale Securities (Details)
$ in Thousands |
12 Months Ended |
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2015
USD ($)
|
| Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions |
53
|
43
|
| Amortized Cost |
$ 130,852
|
$ 129,439
|
| Gross Unrealized Gains |
589
|
917
|
| Gross Unrealized Losses |
(2,181)
|
(791)
|
| Investments available-for-sale, at fair value |
129,260
|
129,565
|
| Mortgage-backed investments, Fannie Mae |
|
|
| Amortized Cost |
42,060
|
50,288
|
| Gross Unrealized Gains |
126
|
260
|
| Gross Unrealized Losses |
(854)
|
(227)
|
| Investments available-for-sale, at fair value |
41,332
|
50,321
|
| Mortgage-backed investments, Freddie Mac |
|
|
| Amortized Cost |
18,013
|
26,011
|
| Gross Unrealized Gains |
95
|
243
|
| Gross Unrealized Losses |
(99)
|
(117)
|
| Investments available-for-sale, at fair value |
18,009
|
26,137
|
| Mortgage-backed investments, Ginnie Mae |
|
|
| Amortized Cost |
19,133
|
13,802
|
| Gross Unrealized Gains |
41
|
44
|
| Gross Unrealized Losses |
(540)
|
(114)
|
| Investments available-for-sale, at fair value |
18,634
|
13,732
|
| Municipal Bonds |
|
|
| Amortized Cost |
13,203
|
11,787
|
| Gross Unrealized Gains |
11
|
277
|
| Gross Unrealized Losses |
(107)
|
0
|
| Investments available-for-sale, at fair value |
13,107
|
12,064
|
| US Government agencies |
|
|
| Amortized Cost |
15,937
|
13,541
|
| Gross Unrealized Gains |
75
|
89
|
| Gross Unrealized Losses |
(155)
|
(88)
|
| Investments available-for-sale, at fair value |
15,857
|
13,542
|
| Corporate Bonds |
|
|
| Amortized Cost |
22,506
|
14,010
|
| Gross Unrealized Gains |
241
|
4
|
| Gross Unrealized Losses |
(426)
|
(245)
|
| Investments available-for-sale, at fair value |
$ 22,321
|
$ 13,769
|