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Intangible Assets, net - Intangible Assets (Detail) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Cost | $ 354,534 | $ 299,416
Accumulated Amortization | (253,885) | (216,849)
Net | 100,649 | 82,567
Trade names and trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 36,500 |
Accumulated Amortization | (2,548) |
Net | 33,952 | 108,000
Software |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 45,820 | 35,527
Accumulated Amortization | (27,156) | (20,843)
Net | 18,664 | 14,684
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 102,600 | 102,600
Accumulated Amortization | (85,173) | (73,770)
Net | 17,427 | 28,830
Developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 107,200 | 107,200
Accumulated Amortization | (90,319) | (81,383)
Net | 16,881 | 25,817
Intangibles-in-progress |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 9,574 | 6,391
Accumulated Amortization | 0 | 0
Net | 9,574 | 6,391
Purchased content |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 52,440 | 47,298
Accumulated Amortization | (48,322) | (40,636)
Net | 4,118 | 6,662
Lender licenses |  |
Finite-Lived Intangible Assets [Line Items] |  |
Cost | 400 | 400
Accumulated Amortization | (367) | (217)
Net | $ 33 | $ 183

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