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Securities - Fair Value of Securites (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | $ 87,808 | $ 92,876
Gross Unrealized Gains | 411 | 536
Gross Unrealized Losses | (40) | (29)
Fair Value | 88,179 | 93,383
Certificates of deposit [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 73,507 | 75,916
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | 0 | 0
Fair Value | 73,507 | 75,916
Municipal Bonds [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 509 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | 0 |
Fair Value | 509 |
Equity mutual fund [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost |  | 500
Gross Unrealized Gains |  | 0
Gross Unrealized Losses |  | (1)
Fair Value | 0 | 499
Mortgage - backed securities - residential [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 10,116 | 11,969
Gross Unrealized Gains | 400 | 520
Gross Unrealized Losses | (38) | (17)
Fair Value | 10,478 | 12,472
Collateralized mortgage obligations - residential [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 3,676 | 4,481
Gross Unrealized Gains | 11 | 16
Gross Unrealized Losses | (2) | (11)
Fair Value | 3,685 | 4,486
SBA-guaranteed loan participation certificates [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost |  | 10
Gross Unrealized Gains |  | 0
Gross Unrealized Losses |  | 0
Fair Value |  | $ 10
Common Class B [Member] | Equity mutual fund [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 0 |
Gross Unrealized Gains | 3,427 |
Gross Unrealized Losses | 0 |
Fair Value | $ 3,427 |

X
- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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