Fair Value Measurements - Recurring (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Assets:
Securities available-for-sale	$ 456,066	$ 385,486
Mortgage servicing rights	5,847	5,462
U.S. Treasury
Assets:
Securities available-for-sale	1,509	1,527
U.S. government agencies
Assets:
Securities available-for-sale	1,556	1,624
U.S. government agency mortgage-backed
Assets:
Securities available-for-sale	1,996
States and political subdivisions
Assets:
Securities available-for-sale	30,526	22,018
Corporate bonds
Assets:
Securities available-for-sale	29,400	30,985
Collateralized mortgage obligations
Assets:
Securities available-for-sale	66,920	63,627
Asset-backed securities
Assets:
Securities available-for-sale	231,908	173,496
Collateralized loan obligations
Assets:
Securities available-for-sale	92,251	92,209
Level 1
Assets:
Securities available-for-sale	1,509	1,527
Level 2
Assets:
Securities available-for-sale	454,446	330,900
Loans held-for-sale	2,849	5,072
Liabilities:
Other liabilities	631
Level 2 \| U.S. government agency mortgage-backed
Assets:
Securities available-for-sale	1,996
Level 3
Assets:
Securities available-for-sale	111	53,059
Recurring
Assets:
Loans held-for-sale	2,849	5,072
Mortgage servicing rights	5,847	5,462
Total financial assets	465,064	396,193
Liabilities:
Total	745	30
Recurring \| Interest rate swap agreements net of swap credit valuation
Assets:
Other assets	114	30
Liabilities:
Other liabilities	745	30
Recurring \| Forward MBS contracts and forward loan contracts
Assets:
Other assets	188	143
Recurring \| U.S. Treasury
Assets:
Securities available-for-sale	1,509	1,527
Recurring \| U.S. government agencies
Assets:
Securities available-for-sale	1,556	1,624
Recurring \| States and political subdivisions
Assets:
Securities available-for-sale	30,526	22,018
Recurring \| Corporate bonds
Assets:
Securities available-for-sale	29,400	30,985
Recurring \| Collateralized mortgage obligations
Assets:
Securities available-for-sale	66,920	63,627
Recurring \| Asset-backed securities
Assets:
Securities available-for-sale	231,908	173,496
Recurring \| Collateralized loan obligations
Assets:
Securities available-for-sale	92,251	92,209
Recurring \| Level 1
Assets:
Total financial assets	1,509	1,527
Recurring \| Level 1 \| U.S. Treasury
Assets:
Securities available-for-sale	1,509	1,527
Recurring \| Level 2
Assets:
Loans held-for-sale	2,849	5,072
Total financial assets	457,597	336,145
Liabilities:
Total	745	30
Recurring \| Level 2 \| Interest rate swap agreements net of swap credit valuation
Assets:
Other assets	114	30
Liabilities:
Other liabilities	745	30
Recurring \| Level 2 \| Forward MBS contracts and forward loan contracts
Assets:
Other assets	188	143
Recurring \| Level 2 \| U.S. government agencies
Assets:
Securities available-for-sale	1,556	1,624
Recurring \| Level 2 \| States and political subdivisions
Assets:
Securities available-for-sale	30,415	21,900
Recurring \| Level 2 \| Corporate bonds
Assets:
Securities available-for-sale	29,400	30,985
Recurring \| Level 2 \| Collateralized mortgage obligations
Assets:
Securities available-for-sale	66,920	63,627
Recurring \| Level 2 \| Asset-backed securities
Assets:
Securities available-for-sale	231,908	120,555
Recurring \| Level 2 \| Collateralized loan obligations
Assets:
Securities available-for-sale	92,251	92,209
Recurring \| Level 3
Assets:
Mortgage servicing rights	5,847	5,462
Total financial assets	5,958	58,521
Recurring \| Level 3 \| States and political subdivisions
Assets:
Securities available-for-sale	$ 111	118
Recurring \| Level 3 \| Asset-backed securities
Assets:
Securities available-for-sale		$ 52,941

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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