As of December 31, 2016 | As of December 31, 2015 | ||||||||||||||||||||||||
Weighted average useful life | Gross carrying amount | Accumulated amortization | Net carrying amount | Gross carrying amount | Accumulated amortization | Net carrying amount | |||||||||||||||||||
Intangibles | |||||||||||||||||||||||||
Internally developed intangible for sale: | |||||||||||||||||||||||||
Capitalized software | 5.0 | $ | 20,034 | $ | (9,998 | ) | $ | 10,036 | $ | 16,902 | $ | (6,796 | ) | $ | 10,106 | ||||||||||
Acquired intangibles: | |||||||||||||||||||||||||
Developed software | 5.2 | 9,450 | (8,575 | ) | 875 | 9,450 | (8,075 | ) | 1,375 | ||||||||||||||||
Customer relationships | 16.2 | 277,710 | (42,978 | ) | 234,732 | 277,710 | (25,769 | ) | 251,941 | ||||||||||||||||
Trademarks | 8.6 | 14,900 | (5,923 | ) | 8,977 | 14,900 | (4,490 | ) | 10,410 | ||||||||||||||||
Non-compete agreements | 3.8 | 1,400 | (1,400 | ) | — | 1,400 | (1,379 | ) | 21 | ||||||||||||||||
Customer contracts | 4.7 | 6,449 | (6,016 | ) | 433 | 6,449 | (5,581 | ) | 868 | ||||||||||||||||
Total other intangibles | $ | 329,943 | $ | (74,890 | ) | $ | 255,053 | $ | 326,811 | $ | (52,090 | ) | $ | 274,721 | |||||||||||