Borrowings - Debt Maturity Table (Details) $ in Thousands	Mar. 31, 2018 USD ($)
Debt Disclosure [Abstract]
2018 (remainder)	$ 6,529
2019	10,280
2020	10,279
2021	10,272
2022	10,264
2023	10,127
Thereafter	418,351
Total contractual obligation due amount	$ 476,102