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Investment Securities - Available-for-sale (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | $ 416,217 | $ 421,272
Unrealized Gain | 2,880 | 4,833
Unrealized Loss | (52,355) | (4,639)
Fair Value | 366,742 | 421,466
United States government agency securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 52,276 | 41,105
Unrealized Gain | 20 | 228
Unrealized Loss | (6,148) | (896)
Fair Value | 46,148 | 40,437
United States sponsored mortgage-backed securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 69,708 | 77,519
Unrealized Gain | 0 | 222
Unrealized Loss | (11,879) | (1,633)
Fair Value | 57,829 | 76,108
United States treasury securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 121,479 | 112,133
Unrealized Gain | 0 | 0
Unrealized Loss | (10,447) | (1,744)
Fair Value | 111,032 | 110,389
Municipal securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 156,765 | 171,044
Unrealized Gain | 2,860 | 4,334
Unrealized Loss | (23,867) | (366)
Fair Value | 135,758 | 175,012
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 7,654 | 11,093
Unrealized Gain | 0 | 49
Unrealized Loss | (14) | 0
Fair Value | 7,640 | 11,142
Other debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 7,500 | 7,500
Unrealized Gain | 0 | 0
Unrealized Loss | 0 | 0
Fair Value | 7,500 | 7,500
Total debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 415,382 | 420,394
Unrealized Gain | 2,880 | 4,833
Unrealized Loss | (52,355) | (4,639)
Fair Value | 365,907 | 420,588
Other securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 835 | 878
Unrealized Gain | 0 | 0
Unrealized Loss | 0 | 0
Fair Value | $ 835 | $ 878

X
- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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