Other Intangible Assets, Net - Components of Other Intangible Assets (Details) - USD ($) $ in Thousands |
Jun. 30, 2018 |
Dec. 31, 2017 |
---|---|---|
Acquired Finite-Lived Intangible Assets [Line Items] | ||
Gross Carrying Amount | $ 11,791 | $ 9,680 |
Accumulated Amortization | (6,044) | (5,329) |
Net Book Value | 5,747 | 4,351 |
Customer and Contractual Relationships | ||
Acquired Finite-Lived Intangible Assets [Line Items] | ||
Gross Carrying Amount | 2,040 | 2,135 |
Accumulated Amortization | (1,764) | (1,764) |
Net Book Value | 276 | 371 |
Internal-use software | ||
Acquired Finite-Lived Intangible Assets [Line Items] | ||
Gross Carrying Amount | 9,751 | 7,545 |
Accumulated Amortization | (4,280) | (3,565) |
Net Book Value | $ 5,471 | $ 3,980 |