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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair Value Measurements - Recurring (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Assets:
Securities available-for-sale	$ 579,948		$ 496,178
Mortgage servicing rights	5,267		4,224
US Treasury Securities [Member]
Assets:
Securities available-for-sale	4,086		4,117
Mortgage Backed Securities, Issued by US Government Agencies [Member]
Assets:
Securities available-for-sale	18,939
US States and Political Subdivisions Debt Securities [Member]
Assets and liabilities measured at fair value on a recurring basis
Purchases	220	$ 12,800
Assets:
Securities available-for-sale	242,748		249,259
Corporate Bond Securities [Member]
Assets:
Securities available-for-sale	31,715
Collateralized Mortgage Obligations [Member]
Assets:
Securities available-for-sale	101,912		56,585
Asset-backed Securities [Member]
Assets:
Securities available-for-sale	145,356		131,818
Collateralized loan obligations
Assets:
Securities available-for-sale	29,154		30,533
Fair Value, Inputs, Level 1 [Member]
Assets:
Securities available-for-sale	4,086		4,117
Fair Value, Inputs, Level 2 [Member]
Assets:
Securities available-for-sale	570,871		487,742
Loans held-for-sale	6,814		12,611
Other assets	6,110		9,388
Liabilities:
Other liabilities	8,804		13,071
Fair Value, Inputs, Level 3 [Member]
Assets:
Securities available-for-sale	4,991		4,319
Mortgage servicing rights	5,267		4,224
Fair Value, Inputs, Level 3 [Member] \| US States and Political Subdivisions Debt Securities [Member]
Assets:
Securities available-for-sale	5,000	$ 4,700
Recurring
Assets:
Loans held-for-sale	6,814		12,611
Mortgage servicing rights	5,267		4,224
Total financial assets	598,799		523,241
Liabilities:
Total	8,841		13,159
Recurring \| Interest Rate Swap [Member]
Assets:
Other assets	6,110		9,388
Liabilities:
Other liabilities	8,841		13,159
Recurring \| Forward Contracts [Member]
Assets:
Other assets	660		840
Recurring \| US Treasury Securities [Member]
Assets:
Securities available-for-sale	4,086		4,117
Recurring \| US Government Corporations and Agencies Securities [Member]
Assets:
Securities available-for-sale	6,038		6,657
Recurring \| Mortgage Backed Securities, Issued by US Government Agencies [Member]
Assets:
Securities available-for-sale	18,939		17,209
Recurring \| US States and Political Subdivisions Debt Securities [Member]
Assets:
Securities available-for-sale	242,748		249,259
Recurring \| Corporate Bond Securities [Member]
Assets:
Securities available-for-sale	31,715
Recurring \| Collateralized Mortgage Obligations [Member]
Assets:
Securities available-for-sale	101,912		56,585
Recurring \| Asset-backed Securities [Member]
Assets:
Securities available-for-sale	145,356		131,818
Recurring \| Collateralized loan obligations
Assets:
Securities available-for-sale	29,154		30,533
Recurring \| Fair Value, Inputs, Level 1 [Member]
Assets:
Total financial assets	4,086		4,117
Recurring \| Fair Value, Inputs, Level 1 [Member] \| US Treasury Securities [Member]
Assets:
Securities available-for-sale	4,086		4,117
Recurring \| Fair Value, Inputs, Level 2 [Member]
Assets:
Loans held-for-sale	6,814		12,611
Total financial assets	584,455		510,581
Liabilities:
Total	8,841		13,159
Recurring \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Swap [Member]
Assets:
Other assets	6,110		9,388
Liabilities:
Other liabilities	8,841		13,159
Recurring \| Fair Value, Inputs, Level 2 [Member] \| Forward Contracts [Member]
Assets:
Other assets	660		840
Recurring \| Fair Value, Inputs, Level 2 [Member] \| US Government Corporations and Agencies Securities [Member]
Assets:
Securities available-for-sale	6,038		6,657
Recurring \| Fair Value, Inputs, Level 2 [Member] \| Mortgage Backed Securities, Issued by US Government Agencies [Member]
Assets:
Securities available-for-sale	18,939		17,209
Recurring \| Fair Value, Inputs, Level 2 [Member] \| US States and Political Subdivisions Debt Securities [Member]
Assets:
Securities available-for-sale	237,757		244,940
Recurring \| Fair Value, Inputs, Level 2 [Member] \| Corporate Bond Securities [Member]
Assets:
Securities available-for-sale	31,715
Recurring \| Fair Value, Inputs, Level 2 [Member] \| Collateralized Mortgage Obligations [Member]
Assets:
Securities available-for-sale	101,912		56,585
Recurring \| Fair Value, Inputs, Level 2 [Member] \| Asset-backed Securities [Member]
Assets:
Securities available-for-sale	145,356		131,818
Recurring \| Fair Value, Inputs, Level 2 [Member] \| Collateralized loan obligations
Assets:
Securities available-for-sale	29,154		30,533
Recurring \| Fair Value, Inputs, Level 3 [Member]
Assets:
Mortgage servicing rights	5,267		4,224
Total financial assets	10,258		8,543
Recurring \| Fair Value, Inputs, Level 3 [Member] \| US States and Political Subdivisions Debt Securities [Member]
Assets:
Securities available-for-sale	$ 4,991		$ 4,319