Fair Value Measurements - (Details 6) $ in Thousands	Jun. 30, 2016 USD ($)
Fair Value
Summarizes differences between fair value and principal balance for mortgage loans held for sale measure at fair value
Mortgage loans held for sale measured at fair value	$ 276,782
Past due loans of 90 days or more	0
Nonaccrual loans	0
Aggregate Unpaid Principal Balance
Summarizes differences between fair value and principal balance for mortgage loans held for sale measure at fair value
Mortgage loans held for sale measured at fair value	263,858
Past due loans of 90 days or more	0
Nonaccrual loans	0
Difference
Summarizes differences between fair value and principal balance for mortgage loans held for sale measure at fair value
Mortgage loans held for sale measured at fair value	12,924
Past due loans of 90 days or more	0
Nonaccrual loans	$ 0