Repurchase Agreements (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total carrying value of collateral pledged	$ 18,217	$ 18,177
Total liability recognized for repurchase agreements	15,962	14,307
U.S. Agency Securities [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total carrying value of collateral pledged	18,217	18,177
Overnight and Continuous [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total carrying value of collateral pledged	16,157	16,118
Overnight and Continuous [Member] | U.S. Agency Securities [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total carrying value of collateral pledged	16,157	16,118
Up to 30 Days [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total carrying value of collateral pledged	0	0
Up to 30 Days [Member] | U.S. Agency Securities [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total carrying value of collateral pledged	0	0
30 - 90 Days [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total carrying value of collateral pledged	0	0
30 - 90 Days [Member] | U.S. Agency Securities [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total carrying value of collateral pledged	0	0
Greater than 90 Days [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total carrying value of collateral pledged	2,060	2,059
Greater than 90 Days [Member] | U.S. Agency Securities [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total carrying value of collateral pledged	$ 2,060	$ 2,059