Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Amortized cost, at fair value	$ 590,046	$ 546,640
Held-to-maturity, at fair value	69,152	62,560
Loans held-for-sale, at fair value	38,813	56,097
Unamortized discounts and debt issuance costs	$ 2,319	$ 2,472
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	4,913,779	4,913,779
Preferred stock, shares issued (in shares)	0	0
Preferred stock, share outstanding (in shares)	0	0
Voting Common Stock
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	45,000,000	45,000,000
Common stock, shares issued (in shares)	9,799,047	9,741,800
Common stock, shares outstanding (in shares)	9,799,047	9,741,800
Nonvoting Common Stock
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	86,221	86,221
Common stock, shares issued (in shares)	0	0
Common stock, shares outstanding (in shares)	0	0