Securities Available-For-Sale (Details) - Investments classified by maturity date - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Securities available-for-sale:
Due in one year or less, amortized cost	$ 3,467
Due in one year or less, fair value	3,504
Due after one year through five years, amortized cost	30,171
Due after one year through five years, fair value	30,401
Due after five years through ten years, amortized cost	43,973
Due after five years through ten years, fair value	44,432
Due after ten years, amortized cost	153,180
Due after ten years, fair value	153,358
Total, amortized cost	352,021	$ 351,928
Total, fair value	352,476
Residential mortgage pass-through securities [Member]
Securities available-for-sale:
Securities available-for-sale: Fair Value	104,471
Total, amortized cost	104,850	72,922
Commercial mortgage pass-through securities [Member]
Securities available-for-sale:
Securities available-for-sale: Fair Value	4,185
Total, amortized cost	4,153	4,186
Equity Securities [Member]
Securities available-for-sale:
Securities available-for-sale: Fair Value	608
Total, amortized cost	376	376
Other Securities [Member]
Securities available-for-sale:
Securities available-for-sale: Fair Value	11,517
Total, amortized cost	$ 11,851	$ 14,739