CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss, Net of Deferred Taxes [Member]	Unearned Equity Awards [Member]	Common Stock Held by BMP [Member]	Treasury Stock, at Cost [Member]	Total
Balance at Dec. 31, 2018	$ 537		$ 277,512	$ 565,713	$ (6,500)	$ (3,623)	$ (1,509)	$ (230,049)	$ 602,081
Balance (in shares) at Dec. 31, 2018	36,081,455
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 0		0	11,501	0	0	0	0	11,501
Other comprehensive income (loss), net of tax	0		0	0	1,268	0	0	0	1,268
Release of shares, net of forfeitures	$ 0		846	0	0	(2,729)	0	1,883	0
Release of shares, net of forfeitures (in shares)	138,329
Stock-based compensation	$ 0		0	0	0	284	0	0	284
Payments related to tax withholding for stock-based compensation	$ 0		0	0	0	0	0	(7)	(7)
Payments related to tax withholding for stock-based compensation (in shares)	(418)
Cash dividends declared and paid to common stockholders	$ 0		0	(5,039)	0	0	0	0	(5,039)
Repurchase of shares of Common Stock	0		0	0	0	0	0	$ (3,814)	(3,814)
Repurchase of shares of Common Stock (in shares)								(199,254)
Balance at Mar. 31, 2019	$ 537		278,358	572,175	(5,232)	(6,068)	(1,509)	$ (231,987)	606,274
Balance (in shares) at Mar. 31, 2019	36,020,112
Balance at Dec. 31, 2018	$ 537		277,512	565,713	(6,500)	(3,623)	(1,509)	(230,049)	602,081
Balance (in shares) at Dec. 31, 2018	36,081,455
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income									24,536
Other comprehensive income (loss), net of tax									212
Balance at Jun. 30, 2019	$ 537		279,327	580,159	(6,288)	(8,165)	(1,509)	(235,360)	608,701
Balance (in shares) at Jun. 30, 2019	35,887,395
Balance at Mar. 31, 2019	$ 537		278,358	572,175	(5,232)	(6,068)	(1,509)	(231,987)	606,274
Balance (in shares) at Mar. 31, 2019	36,020,112
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 0		0	13,035	0	0	0	0	13,035
Other comprehensive income (loss), net of tax	0		0	0	(1,056)	0	0	0	(1,056)
Exercise of stock options, net	$ 0		73	0	0	0	0	0	73
Exercise of stock options, net (in shares)	8,869
Release of shares, net of forfeitures	$ 0		896	0	0	(2,588)	0	1,747	55
Release of shares, net of forfeitures (in shares)	133,451
Stock-based compensation	$ 0		0	0	0	491	0	0	491
Payments related to tax withholding for stock-based compensation	$ 0		0	0	0	0	0	(98)	(98)
Payments related to tax withholding for stock-based compensation (in shares)	(4,901)
Cash dividends declared and paid to common stockholders	$ 0		0	(5,051)	0	0	0	0	(5,051)
Repurchase of shares of Common Stock	0		0	0	0	0	0	$ (5,022)	(5,022)
Repurchase of shares of Common Stock (in shares)								(270,136)
Balance at Jun. 30, 2019	$ 537		279,327	580,159	(6,288)	(8,165)	(1,509)	$ (235,360)	608,701
Balance (in shares) at Jun. 30, 2019	35,887,395
Balance at Dec. 31, 2019	$ 537	$ 0	279,322	581,817	(5,940)	(6,731)	(1,496)	(250,751)	$ 596,758
Balance (in shares) at Dec. 31, 2019	35,154,642								35,154,642
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 0	0	0	8,392	0	0	0	0	$ 8,392
Other comprehensive income (loss), net of tax	0	0	0	0	(6,692)	0	0	0	(6,692)
Release of shares, net of forfeitures	$ 0	0	5	0	0	(7)	0	2	0
Release of shares, net of forfeitures (in shares)	91
Stock-based compensation	$ 0	0	0	0	0	671	0	0	671
Proceeds from preferred stock issuance, net		72,224	0	0	0	0	0	0	72,224
Payments related to tax withholding for stock-based compensation	$ 0	0	0	0	0	0	0	(79)	(79)
Payments related to tax withholding for stock-based compensation (in shares)	(4,668)
Cash dividends declared and paid to common stockholders	$ 0		0	(4,915)	0	0	0	0	(4,915)
Repurchase of shares of Common Stock	0	0	0	0	0	0	0	$ (20,711)	(20,711)
Repurchase of shares of Common Stock (in shares)								(1,274,679)
Balance at Mar. 31, 2020	$ 537	72,224	279,327	585,294	(12,632)	(6,067)	(1,496)	$ (271,539)	645,648
Balance (in shares) at Mar. 31, 2020	33,875,386
Balance at Dec. 31, 2019	$ 537	0	279,322	581,817	(5,940)	(6,731)	(1,496)	(250,751)	$ 596,758
Balance (in shares) at Dec. 31, 2019	35,154,642								35,154,642
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income									$ 21,358
Other comprehensive income (loss), net of tax									(8,463)
Balance at Jun. 30, 2020	$ 537	116,569	278,581	592,497	(14,403)	(7,549)	(1,496)	(283,193)	$ 681,543
Balance (in shares) at Jun. 30, 2020	33,089,585								33,089,585
Balance at Mar. 31, 2020	$ 537	72,224	279,327	585,294	(12,632)	(6,067)	(1,496)	(271,539)	$ 645,648
Balance (in shares) at Mar. 31, 2020	33,875,386
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 0	0	0	12,966	0	0	0	0	12,966
Other comprehensive income (loss), net of tax	$ 0	0	0	0	(1,771)	0	0	0	(1,771)
Exercise of stock options, net		0	38	0	0	0	0	0	38
Exercise of stock options, net (in shares)	3,044
Release of shares, net of forfeitures	$ 0	0	(784)	0	0	(1,960)	0	2,772	28
Release of shares, net of forfeitures (in shares)	196,886
Stock-based compensation	$ 0	0	0	0	0	478	0	0	478
Proceeds from preferred stock issuance, net		44,345	0	0	0	0	0	0	44,345
Payments related to tax withholding for stock-based compensation	$ 0	0	0	0	0	0	0	(169)	(169)
Payments related to tax withholding for stock-based compensation (in shares)	(10,667)
Cash dividends declared and paid to preferred stockholders	$ 0	0	0	(1,140)	0	0	0	0	(1,140)
Cash dividends declared and paid to common stockholders	0		0	(4,623)	0	0	0	0	(4,623)
Repurchase of shares of Common Stock	0	0	0	0	0	0	0	$ (14,257)	(14,257)
Repurchase of shares of Common Stock (in shares)								(975,064)
Balance at Jun. 30, 2020	$ 537	$ 116,569	$ 278,581	$ 592,497	$ (14,403)	$ (7,549)	$ (1,496)	$ (283,193)	$ 681,543
Balance (in shares) at Jun. 30, 2020	33,089,585								33,089,585