CONDENSED FINANCIAL STATEMENTS OF PARENT COMPANY - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities
Net income	$ 24,534	$ 8,009
Adjustments:
Current & deferred income tax (benefit)/expense	8,529	2,183
Stock-based compensation	2,544	2,291
Net cash used in operating activities	(93,331)	(21,513)
Cash flows from investing activities
Net cash used in investing activities	(456,020)	(116,379)
Cash flows from financing activities
Proceeds from subordinated notes	18,000
Repurchase of common stock	(377)	(743)
Settlement of restricted stock	(261)	(110)
Recognition of capitalized subordinated notes issuance costs	(269)
Net cash provided by financing activities	626,702	143,173
Net change in cash and cash equivalents	77,351	5,281
Cash and cash equivalents, beginning of year	78,638	73,357
Cash and cash equivalents, end of year	155,989	78,638
First Western Financial, Inc
Cash flows from operating activities
Net income	24,534	8,009
Adjustments:
Current & deferred income tax (benefit)/expense	(3,003)	282
Stock-based compensation	2,544	2,291
Undistributed equity in subsidiaries	(25,742)	(8,610)
Change in other assets	(32)	665
Change in other liabilities	(42)
Net cash used in operating activities	(1,741)	2,637
Cash flows from investing activities
Investment in subsidiaries	(10,453)	(2,152)
Loan and note receivable originations and principal collections, net	70
Net cash used in investing activities	(10,383)	(2,152)
Cash flows from financing activities
Proceeds from subordinated notes	18,000
Repurchase of common stock	(377)	(743)
Settlement of restricted stock	(261)	(110)
Recognition of capitalized subordinated notes issuance costs	(269)
Net cash provided by financing activities	17,093	(853)
Net change in cash and cash equivalents	4,969	(368)
Cash and cash equivalents, beginning of year	9,301	9,669
Cash and cash equivalents, end of year	14,270	9,301
Supplemental noncash disclosures:
Interest paid on borrowed funds	854	$ 476
Segment collapse impact to investment in subsidiary	2,454
Segment collapse impact to deferred income tax (benefit)/expense	640
Segment collapse impact to other assets	(3,202)
Segment collapse impact to other liabilities	$ 108