Borrowings - Maturities of FHLB Borrowings (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014
Contractual Maturities
Extinguishment of Debt [Line Items]
Due within one year	$ 80,000
Due after one year through five years	381,166
Total	461,166
Maturity/Put Date
Extinguishment of Debt [Line Items]
Due within one year	101,166
Due after one year through five years	360,000
Total	$ 461,166