Investments Maturities of HTM Securities (Details) - USD ($) $ in Thousands		Jun. 30, 2016	Dec. 31, 2015
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities		$ 105,297	$ 116,352
Held-to-maturity Securities, Fair Value		107,389	116,384
Mortgage Backed Securities, Other [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount		0
Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount		0
Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Net Carrying Amount		0
Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount		105,297
Held-to-maturity Securities	[1]	105,297	116,352
Held-to-maturity Securities, Debt Maturities, Next Twelve Months, Fair Value		0
Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value		0
Held-to-maturity Securities, Debt Maturities, Year Six Through Ten, Fair Value		0
Held-to-maturity Securities, Debt Maturities, after Ten Years, Fair Value		107,389
Held-to-maturity Securities, Fair Value	[1]	$ 107,389	$ 116,384

[1] All mortgage-backed securities are guaranteed by U.S. government agencies or Government-sponsored entities.