Investment Securities (Details) - Investment Schedule - AFS - USD ($) | 9 Months Ended | 12 Months Ended |
Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 |
Schedule of Investments [Line Items] | | | |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | $ 117,213,000 | | |
Debt Securities, Available-for-Sale, Unrealized Loss Position | 100,000 | | $ 300,000 |
Proceeds from Sale of Debt Securities, Available-for-Sale | 59,200,000 | $ 83,900,000 | |
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One | 5,902,000 | | |
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 109,597,000 | | |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost | 115,499,000 | | |
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One | 5,915,000 | | |
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 111,298,000 | | |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer | 8,200,000 | | 18,900,000 |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months | 6,800,000 | | 25,900,000 |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 100,000 | | 200,000 |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | | | 100,000 |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 100,000 | | 200,000 |
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | | | 100,000 |
Other Long-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | | 0 |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | 14,051,000 | | 11,869,000 |
Debt Securities, Available-for-Sale, Amortized Cost | 14,051,000 | | 11,869,000 |
Debt Securities, Available-for-Sale, Unrealized Gain | 0 | | 0 |
Short-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 34,000 | | 21,000 |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | 0 | | (15,000) |
Debt Securities, Held-to-maturity, Fair Value | 22,127,000 | | 25,483,000 |
Debt Securities, Available-for-Sale, Unrealized Gain | 2,081,000 | | 794,000 |
Debt Securities, Held-to-Maturity, Amortized Cost, before Other-than-temporary Impairment | 22,093,000 | | 25,477,000 |
Collateralized Mortgage-Backed Securities | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One | 3,298,000 | | |
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 22,252,000 | | |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost | 30,006,000 | | |
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One | 3,296,000 | | |
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 22,553,000 | | |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value | 30,325,000 | | |
Collateralized Mortgage-Backed Securities | Short-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (26,000) | | (75,000) |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | 13,383,000 | | 10,454,000 |
Debt Securities, Available-for-Sale, Amortized Cost | 13,228,000 | | 10,460,000 |
Debt Securities, Available-for-Sale, Unrealized Gain | 181,000 | | 69,000 |
Asset-Backed Securities | Short-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (10,000) | | (53,000) |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | 16,941,000 | | 12,436,000 |
Debt Securities, Available-for-Sale, Amortized Cost | 16,778,000 | | 12,422,000 |
Debt Securities, Available-for-Sale, Unrealized Gain | 173,000 | | 67,000 |
Corporate Bond Securities | Short-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (11,000) | | (123,000) |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | 42,255,000 | | 36,613,000 |
Debt Securities, Available-for-Sale, Amortized Cost | 41,515,000 | | 36,404,000 |
Debt Securities, Available-for-Sale, Unrealized Gain | 751,000 | | 332,000 |
US Treasury and Government | Other Long-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Held-to-maturity | 164,000 | | 997,000 |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 1,000 | | 8,000 |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | 0 | | 0 |
Debt Securities, Held-to-maturity, Fair Value | 165,000 | | 1,005,000 |
US Treasury and Government | Short-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (1,000) | | (64,000) |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | 60,908,000 | | 44,687,000 |
Debt Securities, Available-for-Sale, Amortized Cost | 59,933,000 | | 44,425,000 |
Debt Securities, Available-for-Sale, Unrealized Gain | 976,000 | | 326,000 |
Total Short-Term Available-for-Sale [Domain] | Short-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | (48,000) | | (315,000) |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | 133,487,000 | | 104,190,000 |
Debt Securities, Available-for-Sale, Amortized Cost | 131,454,000 | | 103,711,000 |
Deposits [Member] | Other Long-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | | 0 |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | 14,051,000 | | 11,869,000 |
Debt Securities, Available-for-Sale, Amortized Cost | 14,051,000 | | 11,869,000 |
Debt Securities, Available-for-Sale, Unrealized Gain | 0 | | 0 |
Total Long-Term Held-to-Maturity | Other Long-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 1,000 | | 8,000 |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | 0 | | 0 |
Debt Securities, Held-to-maturity, Fair Value | 165,000 | | 1,005,000 |
Debt Securities, Held-to-Maturity, Amortized Cost, before Other-than-temporary Impairment | 164,000 | | 997,000 |
US Treasury Securities [Member] | Short-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Held-to-maturity | 13,801,000 | | 13,179,000 |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 34,000 | | 21,000 |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | 0 | | (15,000) |
Debt Securities, Held-to-maturity, Fair Value | 13,835,000 | | 13,185,000 |
Certificates of Deposit [Member] | Short-Term Investments | | | |
Schedule of Investments [Line Items] | | | |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | 0 | | 0 |
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | 0 | | 0 |
Debt Securities, Held-to-maturity, Fair Value | 8,292,000 | | 12,298,000 |
Debt Securities, Held-to-Maturity, Amortized Cost, before Other-than-temporary Impairment | $ 8,292,000 | | $ 12,298,000 |