SECURITIES - Amortized cost and estimated fair values of securities by contractual maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Available for Sale - Amortized Cost
Amortized cost, 1 year or less	$ 1,759	$ 2,535
Amortized cost, 1 year through 5 years	3,050	3,081
Amortized cost, 5 years through 10 years	15,042	14,564
Amortized cost, After 10 years	206,101	208,071
Available-for-sale Securities, Amortized Cost Basis, Total	225,952	228,251
Available for Sale - Fair Value
Estimated fair value, 1 year or less	1,776	2,532
Estimated fair value, 1 year through 5 years	3,131	3,145
Estimated fair value, 5 years through 10 years	15,536	14,874
Estimated fair value, After 10 years	213,571	210,711
Available-for-sale Securities, Total	234,014	231,262
Securities Available for Sale
Available for Sale - Amortized Cost
Available-for-sale Securities, Amortized Cost Basis, Total	225,952	228,251
Available for Sale - Fair Value
Available-for-sale Securities, Total	$ 234,014	$ 231,262

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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